| Filename | sadmac.txt |
|---|---|
| Size | 0.01 MB |
| Downloads | 11 |
| Filename | system-70-features.txt |
|---|---|
| Size | 0.02 MB |
| Year | 1989 |
| Downloads | 9 |
9-May-89 15:25:56-GMT,18703;000000000000
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Date: Tue, 9 May 89 08:24:34 PDT
From: Mark B. Johnson <mjohnson@apple.com>
Message-Id: <8905091524.AA23034@apple.com>
To: info-mac@sumex-aim.stanford.edu, macworkers@rascal.ics.utexas.edu
Subject: System 7.0 disclosure
System Software Directions Overview
On May 9, 1989, Apple will disclose future system software plans
to third-party developers attending the annual World-Wide
Developer's Conference. The disclosures will cover the core
technologies under development for inclusion in the next major
Macintosh System Software release, System 7.0.
The purpose of the disclosure is to ensure that developers have
the time and information necessary to capitalize on the new
features and functionality of System 7.0. By doing this, we
believe that many new, more powerful applications will be
available at the time System 7.0 is introduced. We will also take
this opportunity to hold an informal press seminar to begin
educating the media on Macintosh System Software.
Below is an overview of the core feature set planned for System
7.0. While it's still too early in the development cycle to
announce a customer availability plan or introduction date, we
will begin seeding developers with code in the fall. As we make
further progress on System 7.0, we will provide additional
details.
System Software Release Strategy
In early 1989, Apple announced a new system software release
strategy to accommodate the varying needs of current users, new
customers and Macintosh developers. We now break our system
software into two release categories: Product Support Releases and
Feature Releases.
Product Support Releases are developed to support a new CPU,
peripheral or networking product. Generally, these releases are
for buyers of newly introduced products and should not concern
current owners.
Feature releases are major enhancements to the system software
foundation that we encourage all users to adopt. They
significantly enhance the capabilities of the Macintosh and add
substantial value to the installed base. System 7.0 will be a
Feature release.
System 7.0 Goals
The primary goal of System 7.0 is to extend the user's reach.
System 7.0 demonstrates Apple's commitment to add value to the
installed base and to create new reasons to buy Macintosh. The
new System 7.0 features will extend the capabilities of the
Macintosh using the consistent and intuitive techniques with which
users are already familiar.
System 7.0 Core Technologies:
Virtual Memory and 32-Bit Addressing
Virtual Memory extends the user's available memory by
transparently treating the hard disk as additional RAM. This
allows users to run more and larger applications with less RAM.
Because Virtual Memory requires a memory management unit, it will
only benefit 68030 Macintosh systems (SE/30, IIcx, IIx), and 68020
systems with a PMMU (Macintosh II systems with optional 68851
PMMU).
32 Bit addressing will allow Macintosh computers to access 4
gigabytes of memory. Combined with Virtual Memory, 32 Bit
Addressing will enable customers to take full advantage of more
sophisticated, memory intensive applications.
InterApplication Communication Architecture (IAC)
The IAC architecture is an integrated application-to-application
communications framework that will allow applications to exchange
data and instructions on a single Macintosh or over a network.
Outline Fonts
Outline Fonts will provide users with sharp text at any size on
any Macintosh display, printer, fax modem or other graphics
peripherals. Further, leading type manufacturers have already
announced that they will support Apple's technology; this means
that users will be able to select from thousands of new typefaces
in the future.
Layout Manager
The Layout Manager will provide typographic quality text layout
for all applications. The layout manager will allow any
application to offer advanced text positioning features including
kerning, ligatures and contextual forms.
New Print Architecture
The New Print Architecture will result in a wider variety of high-
quality printing devices for the Macintosh. In addition, the New
Print Architecture will provide background printing for all types
of printers, improved color and halftone printing, and better user
control over printing.
Database Access
Database Access will provide Macintosh applications with access to
remote databases so that users can integrate host data into their
documents.
New Finder
A new version of the Finder that will make system operation
easier, more intuitive and more powerful.
Runs on all Macintosh Computers!
System 7.0 will run on all Macintosh systems from the Plus to the
IIx. It will however, require a minimum of 2 megabytes of RAM.
Because System 7.0 will significantly increase the functionality
and usability of all Macintosh computers, we will strongly
encourage all customers to upgrade. Apple will move the entire
product line to System 7.0.
During the transition, Apple will continue to ship one megabyte
configurations with System 6.0. Apple expects to continue to
offer an attractive low-end product with System 7.0. Apple will
provide technical support for both System 6.0 and System 7.0.
Applications Compatibility
System 7.0 is an upward compatible extension to Macintosh system
software. Applications that follow Apple's Inside Macintosh
guidelines will continue to run under System 7.0. By providing
developers with early details concerning System 7.0, Apple expects
a smooth transition to the new software.
What Should Users Do Now
Nothing! System 7.0 will run on any Macintosh Plus, SE, SE/30, or
Macintosh II family member. In fact, because System 7.0 will
offer substantially improved functionality, it will add
significant value to the entire installed base.System 7.0 will be
instrumental in extending the capabilities of the Macintoshand the
reach of the user.
Summary
Concerning this announcement, the key messages are:
* Apple is disclosing information about the core technologies
under development for inclusion in the next major Macintosh
System Software release, System 7.0. Apple is doing this to
enable developers to take advantage of the System 7.0
functionality as soon as System 7.0 is released.
* Later this year Apple will announce the complete System 7.0
feature set and customer availability plans. Developers
will begin receiving seed software in the fall.
* System 7.0 demonstrates Apple's commitment to add value to
the installed base and to create new reasons to buy
Macintosh. The new System 7.0 features will extend the
capabilities of the Macintosh using the consistent and
intuitive techniques with which users are already familiar.
Part II - Feature Notes
Outlined below are the core features under development for
inclusion in System 7.0. The Core System 7.0 features are those
which we have committed to including when System 7.0 is shipped.
In addition to the Core features, there are several other
technologies under development. Apple will announce the complete
System 7.0 feature set later this year.
Core System 7.0 Features
Virtual Memory
Virtual Memory allows users to extend available memory by treating
their hard disk as a "virtual" extension to RAM. This will allow
users to run more and larger applications under MultiFinder with
less RAM than would otherwise be required.
For example, running a word processor, presentation package,
spreadsheet, drawing program and HyperCard might ordinarily
require four megabytes, but this same set of applications could be
run in two megabytes on a Macintosh with virtual memory.
To take advantage of Virtual Memory, customers must have a
Macintosh computer with a memory management unit. Currently, this
includes the Macintosh SE/30, IIcx, IIx (the 68030 CPU has a built
in memory management unit), and Macintosh II when equipped with
the 68851 PMMU (currently available).
32-Bit Addressing
32-Bit Addressing allows Macintosh computers to extend their
memory capacities beyond 8 megabytes to 128 MB of physical RAM and
up to 4 Gigabytes of virtual address space. This will be
particularly important to users of advanced graphics applications
that use large color images, advanced sound applications,
artificial intelligence programs and other software that is memory
intensive.
The combination of Virtual Memory, 32-Bit Addressing, and
MultiFinder will enable Macintosh computers to support the memory
necessary for users to run more applications and larger
applications.
InterApplication Communications Architecture (IAC)
IAC Architecture will support four types of application-to-
application communication: 1) program-to-program communication -
a low level tool used to send data between applications, 2) Live
Copy/Paste - a mechanism which supports the dynamic linking of
documents, 3) AppleEvents(TM) - a standard set of messages that
applications can use to request actions of one another (e.g.,
"open document"), and 4) Clipboard Copy/Paste - supports the
copy/cut/paste tools that are currently available.
Here are some examples of how these will benefit users:
* A user could "live paste" a chart into a word processing
document and have changes in the chart automatically passed
on to the word processing document. This powerful
feature allows the system to manage tedious updates for
the user automatically.
* Groups of users sharing an AppleShare file server
could cooperatively develop a presentation. Each
user would "live paste" his individual work into
the master document so that the master always
represents the current collaborative work.
* A telecommunications program multitasking in
the background could, using AppleEvents(TM), send
data from a remote host computer to a
foreground database program or charting
program. This cooperation among applications
allows users to get more out of the combination
of applications than they could from the
individual components.
* A user programming tool could allow users
to create custom application command scripts
that would automatically control other
applications using AppleEvents(TM) as
the communications vehicle.
Outline Fonts
Outline fonts are mathematical descriptions of text that can be
scaled to any point size or resolution. This will provide sharp
type on all Macintosh displays, printers, fax modems, etc without
having to install specific size bitmaps into the system.
This means that Macintosh applications will be able to use any
type size that the user wants (not just the few found in typical
Font menus). In addition, Apple's outline fonts will be supported
by all the major type manufacturers which means there will be
thousands of type styles to choose from in the future.
Outline fonts will provide better WYSIWYG and will dramatically
improve the quality and flexibility of non-PostScript printers
like the LaserWriter IISC, ImageWriter and ImageWriter LQ.
Outline fonts will also make applications more flexible. For
example, a typical drawing program allows users to arbitrarily
scale the size of a drawing. Frequently though, imbedded type
does not scale properly. With outline fonts, users will be able
to scale text as easily as the graphics which will allow users to
create better documents. Outline fonts will also allow
applications to present more legible "print previews" and zoom-in
or zoom-out functions.
Layout Manager
The Layout Manager will provide typographic quality text layout
for all applications. The layout manager will allow any
application to offer advanced text positioning features including
kerning, ligatures and contextual forms.
New Print Architecture
The new print architecture is designed to make it much easier to
support output devices like printers, fax modems, film recorders,
or plotters on the Macintosh. The result will be higher quality
output and a wider range of output device choices.
In addition, the new print software will provide background
printing for all types of printers, improved color and halftone
printing, and will allow applications software to control printers
in more sophisticated ways. The new software will provide
applications with more flexibility such as the capability to print
documents that include both landscape and portrait oriented pages.
The new print architecture will require that users have new print
drivers, but will allow users with System 6.0 and 7.0 to
transparently share LaserWriter printers.
When System 7.0 ships, Apple will provide new print drivers for
all Apple printers. In addition, Apple will be working closely
with third-parties to ensure that a full complement of drivers are
available immediately.
Database Access
With the new Database Access capabilities, users will be able to
integrate data from remote host computer databases into their
Macintosh applications. Apple's standard interface will allow
applications developers to provide access to many different types
of databases from many different vendors that may be running on
many different types of computers. This will give users maximum
flexibility to access the data that they need.
The design of the database access facility will allow users to
integrate host data using the "live" copy/paste capabilities also
to be available with System 7.0. Once the appropriate links are
created by the database administrator, users with no knowledge of
how to access the remote database will be able to use its data
using the most familiar of Macintosh techniques.
With Database Access, users will not be limited to stand-alone or
local area network databases as found in other systems. Instead,
Macintoshes will have standard access to local area and
enterprise-wide databases that are central in larger computing
environments.
New Finder
The Finder is the most visible piece of Macintosh System Software.
All Macintosh users interact with the Finder to copy files, launch
applications and to manage system resources. The new Finder will
provide users with more intuitive system management capabilities
as well as additional power. The new Finder will also be
extensible so that functions like electronic mail and disk backup
can be integrated into the intuitive desktop metaphor.
Highlights of the New Finder
* Integrated System Utilities like Font/DA Mover - Allows users to
install fonts and desk accessories by dragging into the system
folder.
* Help on any desktop icon or menu item.
* Integrated Find - Locates and retrieves any file from any folder
and brings that file to the front-most window.
* Aliases- Allows the creation of multiple icons for a single
file. This would allow documents to be filed in different
folders. For example, a budget spreadsheet for project ABC
might be simultaneously filed in a "budget" folder and a project
ABC folder.
* Stationery - Provides for the creation of custom document
templates, such as a memo template or a newsletter layout
template.
* Custom Views - Allows users to configure desktop windows to show
standard or custom file displays.
* Configurable Apple Menu - Allows users to install any
application, document or desk accessory into the Apple menu.
This allows users to get at documents and applications as easily
as they can access desk accessories with today's Finder.
* Extensible - New capabilities can be added in the future such as
mail and backup.
Additional Software Under Development
File System Enhancements
System 7.0 will provide several new file system enhancements
including a feature called the File System manager which
developers will use to give users desktop access to alternative
file systems like MS-DOS, OS/2, Unix, ProDos, etc. By integrating
these files into the desktop metaphor, users will be able to
manipulate non-Macintosh files with the same intuitive techniques
that they use on Macintosh files.
Other file system enhancements will allow applications to find and
manage files faster and more flexibly.
New Sound Capabilities
System 7.0 will also provide capabilities that will make it easier
for developers to use sound features. These new capabilities
include a standard MIDI manager to provide a standard means to
communicate with electronic musical instruments. In addition a
new sound compression utility will reduce the amount of disk space
for sound files. A sound sequence manager will help multimedia
applications to synchronize sounds with other activities like
animation.
Communications Toolbox (Available Q3 1989 for System 6.0.3)
The Communications toolbox raises the standard capability for
applications to communicate with other computers by modem, local
or wide area networks. The toolbox provides a standard way for
developers to support communications hardware as well as file
transfer and terminal emulation capabilities.
32-Bit QuickDraw
(Ships separately in Q2, 1989 for use with System 6.0.3)
The new extended capabilities of QuickDraw will vastly enhance the
color capabilities of the Macintosh. With 32-Bit color, users
will no longer be limited to 16 or 256 colors, but with new high-
performance graphics interface cards, users can see up to 16
million colors simultaneously. This capability, previously seen
on only higher-end computers will provide users with photo-real
image quality on their displays, color slide makers and projection
devices.
International Utilities
At Apple, we believe that is important to have internationalized
systems that can be customized to different languages and
character sets. Already, the Macintosh is the most international
of personal computers. The new utilities will make it easier for
Macintosh to support other languages as well as it does English.
One-Button Installer
The One-Button Installer will make it easier for users to install
new Macintosh System Software on their machines. The new
installer will provide for a one-button automatic installation for
most users and a custom installation facility for more advanced
users.
System 7.0 will provide a broad range of new capabilities. These
capabilities will make users more productive and will enable the
development of many new and innovative applications.
| Filename | refillhpcartridge.txt |
|---|---|
| Size | 0.01 MB |
| Downloads | 8 |
Date: Mon, 27 May 91 20:54:43 +0200
From: Karl Pottie <GHGAQA0%BLEKUL11.BITNET@forsythe.stanford.edu>
Subject: hp deskwriter cartridge refill
This text describes how to refill your Deskwriter or DeskJet ink cartridges.
It is a summary of experiences by different people.
1) Why to refill your cartridges ?
----------------------------------
Deskwriter cartridges are pretty expensive. But there is a quick and easy
way to refill your cartridges yourself
2) Why not to refill your cartridges ?
--------------------------------------
So far I have never heard of anybody damaging his deskwriter by refilling
cartridges. But HP doesn't recommend it.
Also, the new HP ink is more 'water proof' than any kind of refill. So if
need more or less waterproof print-out, you'll need to stick to HP.
3) When to refill ?
-------------------
As soon as you notice your cartridge is running dry (printout becomes faint,
lines are missing ...) you should refill your cartridge. It's better not
to let the cartridge run completely dry, and you should certainly not let
an empty cartridge sit on a shelf for some time before you refill. Some
people systematically add ink to their cartridges to ensure it never runs
dry.
4) How many times can your refill ?
-----------------------------------
After a number of refills, the printing nozzles become blocked by dirt and
the refill will not longer work. Usually you can expect about 3 to 5 refills.
I've been told that the thermal-pulse resistors in the jet
mechanisms will tend to wear out after 5 refills or so... this will lead
to dots that don't print. [If you run the printer self-test, the
printer controller runs a test-pattern, and will actually print the jet
number of any jet-resistor that's not drawing the appropriate amount of
current... so you can tell the difference between a clog, and a jet
problem such as a burned-out resistor or a dirty contact pad.]
5) Which ink to use ?
---------------------
Sheaffers's Skrip Jet Black ink seems to please most people. Alternative:
Park Quinck Permanent Black.But any water-soluable ink should do.
NEVER ever use india ink, because this uses solid suspended particles which
almost immediately clog up the nozzles.
Print-out is generally a bit less sharp than original HP ink, because the ink
spreads out more. It also takes a bit longer to dry. Smuding is worse
than the new HP ink.
6) How to refill ?
------------------
* always remove the cartridge from the printer
* be sure to place some cloth on the surface where you refill , in case of
leakage.
* get a syringe with a needle of about 4cm long.
* fill the syringe with about 10cc of ink (less if you refill systematically).
* the cartridge contains a sponge ink reservoir.Insert the syringe into the air
hole on top of the cartridge (in the green arrow) You should make sure the
needle penetrates the sponge as deep as possible (about 4 cm).Make sure
you do not block the air-hole completely.
Do not try to refill by just injecting some ink on top of the sponge. You
should always penetrate the sponge !!!! All difficulties experienced
while refilling seem to originate from trying to let the ink
soak in from above.
* SLOWLY fill the cartridge. If ink starts leaking, stop filling.
* put cartridge back into printer and run the priming cycle.
7) Professional refill kits
---------------------------
Some companies offer professional refill kits. Usually these are a kind
of accordian-like syringe with an injection tube of the correct length
which contain enough ink for one refill. These refills are usually quite
expensive, and the question remains if the ink they contain is any better
than fountain pen ink.
You could buy a professional kit once, and use the empty kit
to refill the cartridges with fountain pen ink.This way you always inject
the right amount of ink, at the right 'depth'.
8) miscellaneous notes
----------------------
Hewlett Packard recommends that the ink cartridges NOT be
recharged for the following reasons:
1. Fountain pen ink dries with a crust, clogging up the jets. This
would obviously result in erratic performance. This crusting
will also contribute to a clogging of the priming tube. Without
a properly functioning priming tube, the cartridge's jets will not
have the opportunity to clear themselves prior to a print job,
resulting in erratic operation. [note that the Hewlett Packard
ink also crusts...also, the alleged special ink from HP is not
available for purchase]
2. The clogging will also leave deposits on the special "wipe"
platform which cleans the cartridge as it travels across.
3. More than likely, DeskJets found with these deposits will have
voided warranties.
I have been told by a fellow netter that some ink manufacturers
incorporate cyanide into their ink. I presume that this is done
to inhibit microbial growth so as to improve the shelf life of
the product. Given that the DeskWriter cartridge mechanism works
essentially as an atomizer, the possibility exists that the
cyanide concentration in a small enclosed room could reach poten-
tially dangerous levels. Therefore, one should be most cautious
when selecting the type of waterproof ink for re-inking these
cartridges. I strongly recommend that you call the ink manufac-
turer to find out if they use cyanide in their ink preparation.
If not, you should at least ventilate the room in which the
printing is done.
Thanks to everybody who helped me collect this info !!!
Karl Pottie
| Filename | sega12.txt |
|---|---|
| Size | 0.02 MB |
| Year | 1989 |
| Downloads | 8 |
Connecting the Sega 3D Glasses to the Macintosh
Part I, The Hardware
Version 1.2, Copyright 1989 Juri Munkki
This document describes how I connected the Sega 3D Liquid Crystal
Shutter Glasses to my Macintosh II RS-422 port. With the glasses you can
use software specifically made to display a stereo pair of images. This
method of displaying 3D graphics gives most users a feel of depth in the
image.
Stereo viewing has interested me for years. I regularly read the usenet
rec.games.video newsgroup, since it occasionally contains information on
coin-ops. When the Sega Master system was introduced, I read about it
and discovered that it can control 3D-glasses. I immediately became
interested, but I had trouble finding Sega in Finland. This lead me to
post an article in rec.games.video. As it happens, Stan Lackey had
already built an interface for his 8-bit Atari computer. With his help,
I built an interface that works with the Macintosh. It should work fine
with any RS-422 or RS-232 serial port and if you know some electronics,
it shouldn't be too hard to modify it to work with other interfaces as
well. All my thanks go to Mr. Lackey.
Building the circuit requires a certain amount of experience with a
soldering iron and I recommend that you verify your circuit with a
digital multimeter. You are the only one responsible, if this circuit
manages to fry your serial port, your computer or something else. The
circuit can be tested without plugging it to the serial port. I
recommend that you use a 9V battery and connect it to the inputs that
would normally take the TxD+ and TxD- signals.
I haven't drawn a circuit board for this project. I simply used a
prototyping board and connected the components with wire.
Here's the list of components I used:
Amount Item Comments
1 CMOS-555 Timer
1 CMOS-4013 D-flip/flop with two inputs
1 CMOS-4070 Quadruple 2-input exclusive or gate
1 Rectifier I just bought one with a low voltage specification
2 0.1 uF capacitors
1 0.01 uF capacitor
2 3 kOhm resistors I used a single 4.7 kOhm trimmer
1 3.5 mm stereo connector A female connector like those in Walkmans.
1 Circle-8 connector A male connector for the Macintosh serial port.
2-4 m wire
some shielded cable with 3 wires
1 VERO-board A prototyping board of some sort
It is very important that you use CMOS-parts, since the operating
voltage is 10 V. We need 10 V, because the glasses use a 400 Hz square
wave when they are opaque. When they get 0 V, they are transparent.
Below is the circuit that I used. It's probably not optimal (I think it
might work even without the 4013, if you changed a few resistor values),
but I have built two of them and both work. The one I'm currently using
has a trimmer instead of the two resistors. If you are using a trimmer,
you might want to use an oscilloscope to verify that you are getting 400
Hz at the output plug or 1600 Hz at the 555 output (Pin 2). I used my
Mac II as the oscilloscope. Since the frequency is audible, I was able
to digitize it with my Impulse audio digitizer.
Figures are in a separate GIF file!
The rectifier (the leftmost component) is used to provide power for the
circuit. I connected the 0.1 uF capacitor to the rectifier output so
that the power would be steadier, but I haven't actually calculated what
it's effect is. I don't think that it has caused any problems, but
someone more proficient in electronics might want to put something else
there.
The 555-timer is connected according to a circuit in a data book I found
here at the university. The frequency of this circuit is 1.44 / ((Ra +
2Rb) C), where C is the capacitance of the capacitor between pins 1 and
2. We see that with the specified resistors and capacitor, the frequency
is 1600 Hz. The D-flip/flop is used to divide this frequency to 400 Hz.
The 400 Hz clock signal is fed to the other input of three exclusive or
gates. Of the remaining three pins, one is grounded. That gate outputs
the clock unchanged and it is connected to the ground wire of the 3D
glasses. The remaining two pins are connected to TxD+ and DTR. These two
lines can then be used to invert the clock signal. When the clock is not
inverted, the output is the same as in the ground wire, i.e. the
potential is 0 V. When the clock is inverted, the we get 400 Hz
alternating current of +/- 10 V. The signals look like this:
Figures are in a sepate GIF file!
Here are the pinouts of the three circuits I used:
Figures are in a sepate GIF file!
The following three Macintosh serial port pins are used:
Pin 6 is TxD+
Pin 3 is TxD-
Pin 1 is DTR
The easiest way to solder the pins is to buy a connector where the pins
can be removed so that you can solder each pin individually. I also used
shrinking tube (I don't know what it's called in English) to make sure
that the wires do not touch each other.
This document will be followed with Part II, a brief description of the
software interface that is needed to program the glasses from a
Macintosh. I already have some animation and fast 3D transformation
routines ready, so I'll probably try to find time to write games for the
glasses. I'll make the games either shareware or public domain.
I'd really like to see a lot of software that supports these glasses and
I wouldn't mind if someone started selling these interfaces to "the rest
of us". If you want the sell the interface, please contact me before
selling more than a few. I think any profits should be shared with
those, who pioneered this interface. If you write software for the
glasses, a nice way to remember me is to send a free copy for me to try
out. I can then keep a list of compatible applications and make that
information available to users (and possible clients).
I occasionally come up with ideas like this interface and surprisingly
often have the energy to do something about them. If you want to
encourage me in these projects, please send me a postcard or letter.
Donations are also ok.
Juri Munkki
Helsinki University of Technology
Otakaari 1, U044B
SF02150 Espoo
Finland
P.S.
This is version 1.2, which means that I'm no longer the only one who
has built the interface. Please destroy any older versions, if you
encounter them. There is a file describing the changes from 1.0 and 1.1
to 1.2. Version 0.9 had two capacitors in the wrong places.
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Showing first 20,000 characters of 20,655 total. Open the full document →
| Filename | mailing-to-applelink.txt |
|---|---|
| Size | 0.01 MB |
| Year | 1989 |
| Downloads | 9 |
24-Apr-89 19:01:24-GMT,8355;000000000001
Return-Path: <PJORGENS%COLGATEU.BITNET@forsythe.stanford.edu>
Received: from Forsythe.Stanford.EDU by sumex-aim.stanford.edu (4.0/inc-1.0)
id AA04436; Mon, 24 Apr 89 12:01:24 PDT
Message-Id: <8904241901.AA04436@sumex-aim.stanford.edu>
Received: by Forsythe.Stanford.EDU; Mon, 24 Apr 89 11:59:19 PDT
Date: Mon, 24 Apr 89 14:59 EDT
From: <PJORGENS%COLGATEU.BITNET@forsythe.stanford.edu> (Peter Jorgensen - Micro Specialist)
Subject: Correct way to send to AppleLink users
To: INFO-MAC@sumex-aim.stanford.edu
X-Original-To: INFOMAC
The following is the correct information on sending email from BITNET addresses
to AppleLink, and vice versa. This information was downloaded from the
AppleLink Higher Education directory.
I apparently left out one important detail concerning BITNET to Applelink in my
previous posting, so this should clear it all up. Sorry about any
inconvienience that might have occurred.
Peter Jorgensen
Microcomputer specialist
Colgate University - Hamilton, NY 13346
AppleLink - U0523
BITNET - PJORGENSEN@COLGATEU
tel - 315-824-1000 ext 742
--------------------------cut here------------------------------------
copyright 1989 Apple Computer, Inc.
===================================================================
AppleLink-BITNET Mail Relay Continues ... With Improved Addressing!
===================================================================
We are pleased to announce the formal continuation of the AppleLink-BITNET mail
relay...with improved addressing from the AppleLink side.
The AppleLink-BITNET mail relay makes it possible to send mail from a user on
BITNET to a user on AppleLink and vice versa !! All messages are routed via
DASNET, an intermediary relay. This mail relay will facilitate the cooperative
research relationship of Apple Computer and the Higher Education community by
facilitating the electronic exchange of information.
Anyone may use the mail relay, as long as they adhere to the BITNET policy
which states that all messages which are sent via BITNET are to be
non-commercial and in direct support of academic research. In addition, all
users of the mail relay should read the end-user agreement (see below).
The following illustrates the method of sending mail between AppleLink and
BITNET.
Sending to BITNET from AppleLink - NEW and IMPROVED!
1. In the "TO" or "CC" field, enter the the BITNET address followed by
@DASNET#. Multiple BITNET addresses may be entered on either fields and they
may be intermixed with AppleLink addresses
So it looks like this:
TO: john.rlb@stanford.bitnet@dasnet#, smith12, joan@mit.bitnet@dasnet#
SUBJECT: mail relay
Sending to AppleLink from BITNET
1. In the "TO" field, enter the DASNET address: XB.DAS@STANFORD.BITNET
2. In the "SUBJECT" field, enter the AppleLink Address followed by: @APPLELINK
So it looks like this:
TO: XB.DAS@STANFORD.BITNET
SUBJECT: USER1@APPLELINK
3. If you type a "!" after the address in the subject field, you can insert
comments, but the subject line must be limited to 29 characters..
Example:
SUBJECT: USER1@APPLELINK!Test
===============================================================================
End User Agreement
------------------
You should carefully read the following terms and conditions before using the
services available through the DASnet Network. Your use of these services
indicates that you accept these terms.
C.1 DASnet Services pertains to the forwarding of electronic mail and
other messages through the DASnet Network. With regard to DASnet Services,
this Agreement constitutes the entire agreement between you and DA Systems and
supercedes all prior written and oral understandings and writings related to
DASnet Services. DA systems reserves the right to refuse service to anyone at
any time for the purpose of preserving the intergrity and legitimate use of
DASnet Services.
If Apple and DA Systems agree to a mutually acceptable change to the body
of contract or any addendum to the contract, System will notify System's
subscribers of said change and System's subscribers agree to be bound by said
changes.
C.2 You are solely responsible for your use of DASnet Services. DA
Systems is not responsible in any way for what you say or send, or how you use
information delivered to you through DASnet Services. You specifically agree
not to use DASnet Services in any way which is illegal, libelous, profane, or
indecent. You further agree that you will not use DASnet Services to transmit
unsolicited advertising or promotional material.
DA reserves the right, but shall not be obligated in its sole discretion, to
remove any material which it believes to be unlawful or otherwise
objectionable. Sources of information NOT subject to review by a DASnet
representative are listed in Schedule B, and exception items can be added to or
deleted from list in the manner stated in this document.
C.3 DA Systems shall have the right, but shall not be obligated, in its
sole discretion, to delete after thirty (30) days electronic mail and files
for which storage charges have not been assessed.
C.4 Software errors, mis-addressing, or other problems may cause someone
other than your intended recepient to receive and/or read your electronic mail
and other messages. DA Systems IS NOT RESPONSIBLE FOR THE CONFIDENTIALITY of
any electronic mail or message.
C.5 DASnet Services software may modify your message as necessary in
order to make it forwardable by DASnet Services and/or storable at the
destination system. DA Systems reserves the right to at any time add, delete,
or otherwise change the services it offers and the systems between which DASnet
will forward mail.
C.6 No warranty. You expressly agree that use of DAsnet Services and
storage of information of DA Systems' equipment is at your sole risk. Neither
DA Systems nor any of its licensors, employees or agents warrants that DASnet
Services will be either uninterrupted or error free. Nor does DA Systems or
any of its licensor, employees or agents make any warranty as to the results to
be obtained from use of DASnet services. DASnet Services are distributed on an
"AS IS" basis without warranties of any kind, either express or implied,
including but not limited to warranties of title or implied warranties of
merchantability or fitness for a particular purpose or use.
C.7 Limitations of Liability. Neither DA Systems nor anyone else who has
been involved in creating, producing or delivering DASnet Service shall be
liable for any incidental, special, or consequential damages arising out of use
of DASnet Services or out of any breach of any warranty. Some states do not
allow the exclusion or limitation of incidental or consequental damages so that
the above limitation or exclusion may not apply to you. The provisions of this
section will survive any termination of this agreement.
C.8 Author's Rights. You agree that the forwarding of a message through
the DASnet Network does not affect the rights of the author or holder of
copyright, nor does it diminish those rights in any way. You further agree
that you will not copy, redistribute, publish, or commercially exploit any
material which is protected by law without explicit permission from the author
or holder of the copyright. The author or holder of the copyright shall have
the right to enforce his or her rights hereunder directly and on his or her own
behalf.
C.9 Rights of the Systems linked by the DASnet Network. This Agreement
does NOT superscede or affect in any way your agreements or contracts with the
mail and/or conference systems of which you are a member.
C.10 Arbitration. This agreement shall be governed by the laws of the State of
California. Any dispute relating to the interpretation or performance of this
Agreement shall be resolved at the request of either party through binding
arbitration conducted in accordance with the then-existing rules of the
American Arbitration Association. Judgment upon any award by the arbitrator or
arbitrators may be entered by any state of federal court having jurisdiction.
Such arbitration shall take place in Santa Clara County, California. The
prevailing party in any such arbitration shall recover from the other its
reasonable attorneys fees and costs.
/a/
| Filename | system-70-questions.txt |
|---|---|
| Size | 0.04 MB |
| Downloads | 8 |
9-May-89 15:26:30-GMT,40718;000000000000
Return-Path: <mjohnson@apple.com>
Received: from apple.com by sumex-aim.stanford.edu (4.0/inc-1.0)
id AA27887; Tue, 9 May 89 08:26:30 PDT
Received: by apple.com (5.59/25-eef)
id AA23059; Tue, 9 May 89 08:25:07 PDT
for info-mac@sumex-aim.stanford.edu
Date: Tue, 9 May 89 08:25:07 PDT
From: Mark B. Johnson <mjohnson@apple.com>
Message-Id: <8905091525.AA23059@apple.com>
To: info-mac@sumex-aim.stanford.edu, macworkers@rascal.ics.utexas.edu
Subject: System 7.0 Q & A
System Overview
Q: Why is Apple talking about System 7.0?
A: Apple is discussing with developers the core technologies under
development for inclusion with the next major Macintosh System
Software release, System 7.0. Apple's goal in talking about
System 7.0 is to shorten the amount of time necessary to bring a new
generation of powerful application software to Macintosh users.
Q: Why is Apple telling the Press?
A: Apple is informing the press to explain what we're working on in
our labs, why we've chosen the paths that we have and how these
technologies will affect users and developers.
Q: What is Apple's message to users?
A: System 7.0 will extend the user's reach through an expanded set
of capabilities that utilize the same consistent, intuitive techniques
that users already know.
Q: What's in System 7.0?
A: Although the complete feature set of System 7.0 will not be announced
until later this year, the following projects will be a part of
the release:
* Virtual Memory/32-Bit Addressing
* IAC Architecture
* Outline fonts
* New Print Architecture
* Layout Manager
* Database Access Manager
* Finder 7.0
In addition, System 7.0 will integrate 32-Bit QuickDraw (introduced in April)
and the Communications Toolbox (shipping Q3).
Apple is also discussing with developers other projects currently
under development:
* Sound Manager Enhancements
* File System Enhancements
* International Text Support
* Installer 3.0
The complete feature set of System 7.0 will be announced later this year.
Q: When will System 7.0 be made available to customers?
A: Apple will announce customer availability later this year.
Q: What Macintosh computers will be able to run System 7.0?
A: System 7.0 is being designed to run on all Macintosh Plus, SE,
SE/30, II, IICX and IIX computers.
System 7.0 will require two megabytes of RAM.
68030-equipped Macintosh computers and Macintosh II computers with PMMU will
have the additional benefit of Virtual Memory.
Q: Apple says that eventually all Macintosh computers will run System 7.0.
Does that mean that all Macintosh computers will eventually be shipped
with two megabytes of RAM?
A: Not necessarily. Apple is exploring various configurations of RAM,
ROM, processor and hard disk that will support System 7.0.
Q: What does that mean?
A: The total amount of memory that a Macintosh uses for system software
is a combination of RAM and ROM. In general, when more software is put
into ROM, a Macintosh requires less RAM. In addition, for Macintosh
computers with PMMUs, the hard disk can be used to extend RAM with
virtual memory. These technologies provide for many alternative
configurations in the future.
Q: Is Apple announcing System 7.0?
A: No. Apple is making a directional statement to third-party
developers about new technologies that will be included in a
future version of Macintosh System Software.
Q: What are Apple's plans for System 7.0?
A: Apple will move the entire Macintosh product line to System 7.0.
During this transition, Apple will offer both the System 6.0
series and System 7.0 CPU configurations.
Q: How many current applications will be compatible with System 7.0?
A: Application software that conforms to the Inside Macintosh
guidelines will be compatible with System 7.0. As System 7.0 is
still in development, it is impossible to determine which
applications will be 100% compatible. When System 7.0 ships,
Apple plans to make a compatibility report publicly available.
Q: What should customers do to prepare for System 7.0?
A: There is nothing that users need to do now. In making new
purchase decisions, customers should buy the Macintosh configuration
that suits their current needs. Users and businesses that need to
make long range decisions now may want to purchases machines with two
megabytes or more of RAM today.
Q: Why will System 7.0 need two megabytes of RAM?
A: The new features of System 7.0 will require more memory than is
available in a one megabyte system to operate effectively.
Q: Where is the multitasking Macintosh Operating System?
A: The Macintosh operating system has been multitasking since the
introduction of MultiFinder. Many applications take full advantage
of MultiFinder by allowing concurrent printing, recalculating
spreadsheets, sorting databases, and downloading files.
Q: Isn't Apple now putting Macintosh users through an OS/2 experience?
A: Absolutely not. System 7.0 is an extension of today's Macintosh
System Software. Apple is designing System 7.0 to provide for
upwardly compatible applications which is a fundamental part of
the Macintosh System Software strategy. System 7.0 will allow
developers to create even more innovative Macintosh software
and hardware that extends the power of today's Macintosh.
Q: Can a Macintosh II-class machine running Apple's Virtual Memory
operate with 1 megabyte of physical RAM?
A: While this configuration may work, Apple will recommend 2
megabytes of RAM when running System 7.0.
Q: I own a Macintosh II computer with one megabyte of RAM and
I want to upgrade to System 7.0. Should I buy more RAM or an MMU?
A: RAM. The least expensive way to upgrade a one megabyte
Macintosh II to System 7.0 is to add another megabyte of RAM.
Q: Does Apple have plans to add new capabilities to the
System 6.0 series?
A: No. Users of the System 6.0 series can continue to
use their systems. The upgrade path for System 6.0 series
users is System 7.0 with more RAM.
Q: Why not?
A: Apple believes in providing consistency across our products
for our users and developers. This consistency can only be
achieved by focusing on one system software platform.
That platform is System 7.0.
Q: Does this mean that all users need to upgrade to System 7.0?
A: No, users can continue to use the System 6.0 series and their
current applications. System 7.0 and new applications software
will provide many new capabilities that many users will want.
System 7.0 offers users an opportunity to add more functionality to the
Macintosh computers they own today.
Core Technologies for System 7.0
Virtual Memory
Q: What is Virtual Memory?
A: Virtual Memory (VM) extends the user's available memory by
transparently treating the hard disk as additional RAM.
Q: Why is Virtual Memory important?
A: Virtual Memory allows users to run more applications at
once and work with larger amounts of data than they can today.
Q: Will Virtual Memory be compatible with application software?
A: Yes. Virtual Memory is backward compatible with all
applications that adhere to Inside Macintosh.
Q: Which Macintosh computers can use Virtual Memory?
A: Macintosh IIx, IIcx, and SE/30 are ready to use Virtual
Memory--no additional hardware is needed. Macintosh II can
take advantage of Virtual Memory by adding the 68851 PMMU
coprocessor onto the Macintosh II logic board (a socket is
provided on the board for this chip). This coprocessor chip
is on the Apple price list. This is the same co-processor
needed to run A/UX, Apple's version of AT&T's UNIX operating system.
Apple's 68000-based systemsQMacintosh Plus and Macintosh SEQcannot
take advantage of the Virtual Memory capability of System 7.0.
Macintosh SE owners have the option of the Macintosh SE/30 logic
board upgrade to gain Virtual Memory capabilities.
Q: Why can't Macintosh Plus and Macintosh SE use Virtual Memory?
A: The 68000 microprocessor used in the Macintosh Plus and
Macintosh SE does not have the memory management hardware
necessary for Virtual Memory. This memory management
capability is one of the primary differences between the 68000 and its
successor chips.
32-Bit Addressing
Q: What is 32-Bit Addressing?
A: 32-Bit Addressing enables the Macintosh to use up to 4
gigabytes of memory. The basic software and hardware of the
Macintosh already supports the 32-Bit Addressing model.
However, Macintosh currently is limited to 8 megabytes of
memory because 32-Bit Addressing is not yet fully implemented
throughout the system.
Q: Why is 32-Bit Addressing important?
A: Macintosh users want more memory for a variety of uses.
Some just want to run more applications under MultiFinder.
Some want to use graphics software that creates multimegabyte
images. Some want to use enormous databases. And some want to
manipulate even larger word processing documents. More memory
has endless uses.
Q: So does the transition to 32-Bit Addressing mean lots of
application incompatibility?
A: No. Applications that conform with 32-Bit Addressing
guidelines ("32-Bit Clean") already run on all Macintosh
computers. These applications will immediately benefit from the
enlarged memory space with System 7.0. Applications that are
not 32-Bit Clean will continue to run under System 7.0 but will
not have the benefit of additional memory space. Apple has been
working with its third-party developers to make sure that all
application software abides by 32-Bit Cleanliness rules.
Q: What Exactly is "32-Bit Clean"?
A: Applications that follow Apple's memory manager guidelines
in Inside Macintosh are 32-Bit Clean. 32-Bit Clean applications
are both upwards and downwards compatible with 24-Bit and 32-Bit
Addressing modes. These guidelines are repeated in Technical Note #212
"The Joy of Being 32-Bit Clean."
Q: What if my existing software is not 32-Bit Clean?
A: Applications that are not 32-Bit Clean continue to run with System 7.0.
Q: Will 32-Bit Addressing become standard?
A: Yes. At some point in the future, Apple will make 32-Bit
Addressing standard on new Macintosh computers.
Q: Since much of system software is in ROM, will I need a new
ROM to get the benefits of 32-Bit Addressing?
A: Apple is researching ways of offering 32-Bit Addressing
to all Macintosh II computers. While an optional ROM upgrade
is not out of the question, other alternatives are being
considered. Apple will keep developers and customers updated
on issues relating to 32-Bit Addressing.
Q: What does 32-Bit Addressing mean for Macintosh Plus
and Macintosh SE?
A: These Macintosh computers cannot get the benefit of 32-Bit
Addressing. 32-Bit Clean and non-32-Bit Clean applications
will continue to run on these computers. Only Macintosh
computers using the 68020 or 68030 microprocessor can have
the benefit of 32-Bit Addressing.
Interapplication Communication Architecture
Q: What is Interapplication Communication Architecture?
A: Interapplication Communication Architecture (IAC) is a
framework for applications to exchange commands and data,
both locally and over networks. IAC consists of several pieces:
* Program-To-Program Communications (PPC)Qa low-level tool
for exchanging data between two programs, either locally
or across networks. PPC provides a unified, consistent
programming interface for both local and network communication.
PPC will be able to deliver messages either Immediate (IPC)
or Store-and-Forward.
* Event Manager PPCQa high-level tool for applications to
exchange commands and data. Event Manager PPC presents a
simple, natural interface to applications.
* AppleEvents(TM)Qan Apple-defined protocol of standard messages
that Applications can send to other applications. Examples
include "Open Document," "Print," "MoveWindow."
* Live Copy/Paste and Link ManagerQLive Copy/Paste gives you
live links between documents. For example, the user can
link a spreadsheet table into a word processing document;
whenever the spreadsheet changes, the word processing document is
automatically updated.
* Clipboard Copy/PasteQa current capability of Macintosh and
is also part of IAC. Macintosh applications universally
support copy and paste between applications via the Clipboard.
Q: What does Live Copy/Paste offer the user?
A: As applications begin to offer Live Copy/Paste, users will
be able to make applications work better together and avoid
repetitive copy and paste. Users can build up libraries of
commonly used objectsQlike graphics or paragraphs of textQand
link them into their documents. When you need to changethe data,
you change every occurrence of that data. And, because Live
Copy/Paste works with AppleShare(R) file servers, you can
easily share data with another person. Imagine linking in the
sales numbers from each of your sales people's spreadsheets.
Your master spreadsheet is always up-to-date.
Q: Does Live Copy/Paste work with existing applications?
A: No. Applications must be revised to take advantage of
Live Copy/Paste. Apple is simplifying the task by providing
extensive user interface guidelines and toolbox support
for Live Copy/Paste.
Apple's outline fonts
Q: What are outline fonts?
A: Outline fonts are mathematical descriptions of characters.
Sharp text at any size on any device can be generated from
outline fonts. Today, the fonts in your Macintosh are called
"bitmap" fonts. These fonts are small collections of pixels
that create the text you see on the screen. With bitmap fonts
the System File can become huge and still not have all the
fonts in all the sizes you might want.
The new Apple fonts are outline fonts.
Q: What are the benefits of outline fonts?
A: Outline fonts provide sharp text at any size on any device.
This means beautiful documents on the screen for multimedia
presentations as well as on the page from any printer. Outline fonts
also simplify the customer experience by creating a single font standard for
the Macintosh computer.
Q: This is confusing. I thought my Macintosh "Style" menu
already had a function for outline fonts.
A: It does, but that is something different. The "Outline"
option in the Style menu actually traces
the character to give it an outlined appearance. It looks like
this. It is simply a graphics trick. However, the new Apple
fonts are called outline fonts because they are based on mathematical
outlines, not bitmaps. These outline fonts are also called spline
fonts or scalable fonts. If you really want to get carried away,
keep in mind that you will be able to "Outline" the outline fonts!
Q: Do Macintosh owners need to buy PostScript fonts anymore?
A: Macintosh owners may want to buy PostScript fonts that
are not yet available in Apple's format. It is important to
remember that today's PostScript fonts, like all of the existing
Macintosh font technology, will still operate normally in the future.
For example, PostScript fonts and bitmaps will remain popular on
1MB Macintosh computers like the Plus and SE. PostScript fonts
may also remain useful in multivendor environments. We expect some
vendors will continue to offer their typefaces in PostScript format
and add the Apple format version of that typeface. However,
the Apple font format will be all most Macintosh owners really need.
Q: How many fonts will be available in the Apple format?
A: Hundreds of fonts will be available within a few months of
first shipment, and thousands soon after. It is impossible to
answer this question precisely. There are two main reasons for
this. First, since Apple's format was designed to be very flexible,
many vendors will be able to automate the conversion of their
existing library to the Apple format. Second, the open format
is available to anyone, so even small players will be
able to create new typefaces. Apple does not have to get
involved in licensing or support. Since there are hundreds
of specialized fonts now available in bitmap formats, these are
all candidates for conversion to outline.
Q: Will Apple be providing fonts in the new format? If so, how many?
A: Apple does not intend to be in the font business, so we will
offer a core set of fonts and then stop. This promotes a healthy
aftermarket for type vendors. The Apple core set will consist
roughly of the fonts Apple ships today with Macintosh computers and
LaserWriter printers, plus a small number of additions. The final
list will be announced later.
Q: Who really needs this technology? After all, LaserWriter NT
and NTX users already enjoy scalable type. Why put it into the Macintosh?
A: Today, the benefits of outline fonts are available from
Apple only through these two LaserWriter models. Now, outline
fonts will enhance the screen display, the ImageWriter II,
the AppleFax Modem, the ImageWriter LQ and the LaserWriter IISC. A
wide range of third-party output devices will also use these
fonts for best possible text quality.
Q: Does this mean that future Apple printers will not support PostScript?
A: No. Keep in mind that the existing Apple printer line
consists of both "intelligent" and "passive" printers. Where we
put the processing power is generally a price/performance decision.
Consequently, future Apple printers will support the new Apple font
format in a variety of ways. Apple is committed to maintaining
excellent system support for PostScript printing. However, our
policy is to not comment specifically on hardware products
under development.
Q: Does this mean that Apple won't be using Display PostScript?
A: Yes. But this should come as no surprise. Apple announced
over a year ago that we will be improving the internal software
of the Macintosh instead of adopting an outside language. This
removes limits from what Apple can do in software while maintaining
excellent backward compatibility. This new font format, like
32-Bit QuickDraw, demonstrates both of these benefits. At the same
time, we are committed to maintaining an excellent interface
to PostScript printers.
New Print Architecture
Q: What is New Print Architecture?
A: The New Print Architecture is designed to extend the printing
capabilities of Macintosh.
Q: What are the advantages of the the New Print Architecture?
A: There are three advantages to the New Print Architecture:
1. New features. Background printing on all printers, increased
performance, support for outline fonts, color/gray scale support,
elimination of document reformatting, and an enhanced user interface
will extend the lead the Macintosh has in printing.
2. A wide variety of new printing devices. Where in the past
it has taken years to support new printers on the Macintosh,
with the New Print Architecture it takes only a few months.
We expect to have more well integrated pri…
Showing first 20,000 characters of 40,755 total. Open the full document →
| Filename | apple-addresses.txt |
|---|---|
| Size | 0.00 MB |
| Downloads | 9 |
16-May-89 1:47:20-GMT,2047;000000000201
Return-Path: <B645ZAX@utarlg.arl.utexas.edu>
Date: Mon, 15 May 89 20:30:30 CDT
From: B645ZAX@utarlg.arl.utexas.edu
Subject: Apple-Addresses, updated
Apple Addresses
When an applelink address is listed, you can reach it by sending a message
to
{address}@applelink.apple.com
for example, to reach APDA, send a message to
apda@applelink.apple.com
Bitnet users should mail
to
XB.DAS@STANFORD
subject
{address}@APPLELINK!{real subject}
for example, to reach APDA, send a message to
XB.DAS@STANFORD.BITNET
subject
APDA@APPLELINK!help me please
When a Mail Stop is listed, send mail to:
Apple Computer, Inc.
20525 Mariani Avenue, MS xx-xx
Cupertino, CA 95014
APDA
MCI: 312-7449
AppleLink: APDA
Phone: (800) 282-APDA or
(800) 282-2732
Mail-Stop: 33-G
Bug Report Center
MCI: Apple.Bugs
AppleLink: Apple.Bugs
Mail-Stop: 27-AN
Claris Corporation
5201 Patrick Henry Drive
(P.O. Box 58168)
Santa Clara, CA 95052-8168
Customer Relations
AppleLink: C.Relations
Phone: (408) 974-2222
Mail-Stop: 37-S
Dealer in your area
Phone: (800) 538-9696
Developer Programs (information about the Apple Partner or Apple Associate
programs)
AppleLink: DevServices
Phone: (408) 974-4897
Mail-Stop: 51-W
Developer Technical Support (for reporting bugs. You must be an Apple
Partner or Apple Associate otherwise)
MCI: MacDTS
AppleLink: MacDTS
Licensing
AppleLink: SW.License
Phone: (408) 974-4667
Mail-Stop: 38-I
Public Relations
AppleLink: Apple.PR
Phone: (408) 974-2042
Mail-Stop: 36-I
Tools and Compilers
MCI: 303-6066
AppleLink: Dev.Tools
Mail-Stop: 27-S
Modification history:
5/15/89 Added Applelink instructions for Bitnet users, cleaned up
David Richardson, b645zax@utarlg.arl.utexas.edu
5/9/89 Corrections to original Brian Bechtel, Blob@apple.com
?? Original ??
| Filename | phone-net-connectors.txt |
|---|---|
| Size | 0.01 MB |
| Year | 1991 |
| Downloads | 9 |
From: squishy@casbah.acns.nwu.edu (Shishin Yamada)
Subject: no subject (file transmission)
Date: Sat, 2 Mar 91 16:38:24 CST
The following is a text file describing how to build cheap PhoneNet
connectors for connecting Macs to other Macs or Mac peripherals. I found
this in November, and built two connectors over Winter Break at
Northwestern Unviersity for about $12. They work flawlessly to the best of
my knowledge.
=====================================================
Shishin "Squish" Yamada |\/\/\/|
squishy@casbah.acns.nwu.edu /---------\ | |
Northwestern University | Yo | (o)(o) |
Electrical Engineering | Dudes! \ ( < )
Class of 1991 \__________\ |___/ |
\ |
"Life sucks, but Death swallows!" / \
/______\
=====================================================
--- CUT HERE ----
Here is the info on CapNet
By Nate Hawthorn (Mr. 6502) 7/20/90
Updated 8/21/90
Please upload this to other systems! It's under 15K, and
takes less than a minute to upload at 2400 baud.
INCLUDE THIS TEXT when uploading & describing the file:
If you have a Mac, you have AppleTalk ! (it's built in)
You can set up a VERY good and low cost network without
buying much. (You know, the kind IBM'ers pay big bucks for).
This is a text file containing instructions and a schematic
(yes in a text file) on how to make this low cost
AppleTalk connector.
CapNet costs about $1 a node! You can build two in about
1/2 hour.
Apple sells their's for $80 ea., even with the cheaper Phone
Net connectors, it will still cost you $40 to set up two nodes.
Please upload this to other systems, it's under 15K
If you are on AOL, see "News ideas and resources" section of
"Communications & Networks" section for more usefull information.
Originals are kept on the Space Sciences BBS and America
On Line, SSci BBS's number is (805) 259-6407
(end upload description text)
The challenge here was to make a schematic that anyone could
read without needing any drawing programs to read it. Also
to keep it within the 65 character limit some systems have
and include spaces for blank lines (this could be a first).
The schematic is included in this text!
CapNet is a simple low cost network for AppleTalk.
CapNet was designed because network connectors are too
simple to cost so much. You can spend $20 to $70 for each
connector, and you need at least two. That's min $40! You
could have a nice couple of nights out for that!
CapNet was designed for small local networks of up to 10
nodes (further testing may up that number). I have tested
it to about 400 ft ! (and it still looks good on the scope)
CapNet costs about $1 in parts (depending on what you may
have on hand and what swap meet you go to). Two connectors
can be assembled in about a 1/2 hour.
It's so simple and cheap that you'll never see it retailed.
CapNet has a few limitations;
You must use CapNet only where the GROUNDS of all the
computers are the same (within reason). Like a single
office, building or home. It is not designed to connect to
the other office across the street, or your neighbor's house.
(it doesn't actually use the ground, and is isolated)
There is built in protection that can isolate you from
possible damage.
WARNING: YOU WILL ONLY BE TOLD THIS ONCE... DO NOT USE THIS
IF YOU ARE RUNNING IT TO OTHER BUILDINGS THAT USE A
DIFFERENT GROUND. CHECK WITH A QUALIFIED ELECTRICIAN IF
YOU ARE NOT SURE, THEY WILL PROBABLY NOT CHARGE FOR THIS.
READJALL THE TEXT HERE.
Disclaimer: USE OF THIS DEVICE IS STRICTLY UP TO YOU, IT IS
FOR EXPERIMENTAL PURPOSES ONLY. BY IT'S USE YOU AGREE NOT
TO HOLD ANYONE LIABLE FOR ANY DAMAGE FROM THE USE OF THIS
DEVICE.
You may also notice RF interference on your portable phone
or radio. Use shielded cable wherever possible and make
sure you are using TWISTED PAIR wires, some phone wire is
not twisted inside. If you get interference on your phone
line, use a separate twisted pair cable.
However, you can read the reports of people who have used
this to their delightJ!
>> TESTING CapNet
Once you have built two units (and I don't have to tell
you how) set your ohm meter to about 20K and measure
across J2, it should show nothing. Measure across RCV(-)
and RCV(+), it should show about 2K. Measure across TX(-)
and TX(+), it should show about 2K. Measure between any
pin and GND, it shouldn't show any less than 1K. If any
of these tests fail, simply look for shorts.
To test, connect up two Macs (go borrow one) via a short
two wire cable. AppleTalk uses the "Printer" port.
Install the "Public Folder" program into the system
folder, it should be available on this BBS (I try to
upload it wherever possible, it's free to Claris users).
Make a new folder in the main directory called "Public"
and put some files in it. Restart both Macs and select
"Chooser" in the Apple menu. Turn on AppleTalk and select
the Public Icon.
You should then be able to copy files from one computer
to the other. You can even do it while the other computer
is downloading a file from a BBS !
If it doesn't work go back and check for shorts (above).
The polarity of the two wire connection doesn't mater.
>> QUICK HOW IT WORKS
The original AppleTalk connector uses a transformer for
isolation and has some RFI circuits built in. This is
great for networks to other buildings.
CapNet uses capacitors (hence the name "Cap") to isolate
small surges and isolate the cable.
AppleTalk turns off it's IC drivers when it's not sending,
this allows data to come into the receivers.
The problem with just hooking the ports up straight is that
two computers can "collide" and transmit at the same time.
Since the burst time is short (3 to 4 uS) and since several
feet of wire has resistance, this would really not be a
problem. However, CapNet includes resistors just incase the
real world sneaks up on it. The resistors to ground keep
static from building up on the twisted pair cable.
Pretty simple huh ?
>> CREDITS
You can build as many as you want, as long as you don't sell
them retail (you can charge your friends a small fee).
This text can be distributed far and wide, and as with all
things like this, give credit where credit is due (include
my name). KEEP ALL PARTS OF THIS TEXT TOGETHER
Please take a little bit of time and tell me how you used
CapNet and what you connected it to. I would like to know
how many people I helped. I can be reached on America On
Line or the Space Sciences BBS Calif.
>> STUFF
Also, can anyone take the nice idea that Claris came up
with ("Public Folder") and make it act more like "Tops".
So that you don't have go to chooser to access another
computers folder ? If that was put in the public domain,
networking would be very reasonable indeed !
Can you imagine all Mac owners having a network for near
nothing, and all the IBM'ers having to pay $200 for some
board (they always say the Mac is too expensive).
Nuf sed, here's the details;
YOU WILL NEED A MONO SPACED FONT TO VIEW THIS, LIKE
MONACO 9.
A "O" means a connection
PIN NUMBERS ARE FOR MAC DB-9.
NUMBERS IN () ARE FOR MINI DIN 8 (MAC PLUS)
CapNet Connector (last update 8/21/90)
J1 J2
9 (5) C1 .1 uF
RCV(-) ----------------------------O----------][------O
!
8 (8) ! C2 .1 uF
RCV(+) --------------------------------O------][------O
! ! ^
! ! TO
5 (3) 10 ohm ! ! "PHONE"
TX(-) -----------O-----------R3---- ! LINES
! !
4 (6) ! 10 ohm !
TX(+) -----------------O-----R4--------
! !
1K R R 1K
1 2
! !
3 (4) ! !
GND -----------O------
PARTS LIST:
QTY DES ITEM
2 R1,2 1K 1/8W RESISTORS
2 R3,4 10 OHM 1/8W RESISTORS
2 C1,2 .1 uF THREE LAYER CERAMIC CAPS
1 J1 DB-9 MALE OR MINI DIN 8 CONNECTOR
1 J2 2 PIN BERG OR RJ-11 PHONE CONNECTOR
5 WIRE (NOT SHOWN) 22 GAUGE STRANDED WIRE 6"
NOTES:
C1,2 can be disk type but ceramic is more stable.
The entire unit can be mounted on a 1" X 1" .100 ctr
bread board or smaller. No printed circuit is needed.
Connect all componets lead to lead and connect cable
wires to leads on bottom of board.
Use heat shrink tubing over entire board as a cover
or dip in RTV sealer or put in a old 35MM film case.
>> CONNECTORS
DB-9 (female, looking at the rear of the Mac)
5 4 3 2 1
--------------------
\O O O O O/
\ O O O O /
-------------
9 8 7 6
MINI DIN - 8 (female looking at the rear of the Mac)
------- INSIDE NOTCH ("N")
( N )
( O O O )
( 8 7 6 )
( O O O )
( 5 4 3 )
2 ( O O ) 1
--------
N OUTSIDE NOTCH
----------------------
UPDATE
Glad you are interested in CapNet... Here's some more info/ideas 8/6/90
I wouldn't worry too much about people SMOKING their Mac. The connector's resistors would burn first in most cases. The Mac drivers are made to handle power surges, the 26LS30 is spec'ed to handle 150 MA shorts and the 26LS30 handles +/- 25V inputs.
Besides, most people use networks within one building.
I Changed the resistor specs to 1/8 W instead of 1/4 W. That will make them blow faster if something is wrong.
Maybe I could come up with a way to "link" CapNet through a isolation transformer so you could isolate when you had to.
I purchased an OLD "LocalTalk" (AppleTalk) connector for $5 at a local swap meet and some other "LocalTalk" type connectors. I am going to test it with CapNet and see if it's compatable.
I have a few friends that are going to be getting together with me in a temporary "network" across a living room and try about 4 Mac's and a Laserwriter. We will try both CapNet and "LocalTalk" connectors to see how compatable they are. The scope will be there also, and a spool of wire. I wouldn't want dirty signals flying around a network !
I bet some universities would be interested, they have large networks and like to save money. Besides, a small electronics class could build 'em in a short time.
Another advantage of the connector is that it doesn't need terminating resistors like standard "LocalTalk". On "LocalTalk" connectors, there is a small switch that connects a terminating resistor when no other cable is plugged in.
Some people say AppleTalk is too slow, AppleTalk transmits at about 200K per second. With system overhead (disk access, system stuff) you can transfer at about 8.5 K per second (Mac Plus). You think WHAT?, but it's true. When you do a normal copy of a file from your hard disk to another folder on the same hard disk, it's about the same speed! You can move about 100K in 12 seconds through AppleTalk, that's not too bad.
AppleTalk gets slow when you put too many users on it. It's that simple. That's why this connector is perfect for a "local" net. AppleTalk performs great. And it beats "sneaker net".
We still need someone to write a public domain program like TOPS that allows easy access to folders (not public folder 1.0).
I shouldn't be that hard, it's only a driver....
Nuf sed.... ENJOY ! Mr. 6502 Nate...
8/2/90
GOOD NEWS !
CapNet works with AppleTalk connectors !
I tested it with a laser writer and it worked OK. However, I didn't have access to my scope at the time and the cable run was about 6 ft.
Other tests will be run when I get a chance.
TRY IT OUT !, and leave a message....
People are asking where I can be reached:
America On Line, NateA
Space Sciences BBS, Mr. 6502
Please, no US Mail ! (electronic is so much better!)