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Mac plus ROM in a 512k question — #6

so i could use a USB flash drive, or SD memory Click to expand... Now you're talkin! I've been thinking the same thing. Just don't have time to take on a project like that.
68kMLA Troubleshooting by H3NRY Mon, 12 Apr 2010 - 03:49

Macintosh Portable — #7

Mine might be bad cappy. I'll investigate. Right now it just clicks, but won't boot.
68kMLA Hardware by ClassicHasClass Mon, 12 Apr 2010 - 03:14

Keyboard home keys — #2

It's an Apple thing. Many older typewriters had no bump on ANY key. Even the pre-ADB Apple keyboards are missing the bump. It was with the ADB era (and the //c, for that matter,…
68kMLA Peripherals by Anonymous Freak Mon, 12 Apr 2010 - 03:12

Keyboard home keys — #1

I'm using my SE/30 as a distraction free writing machine, but one of the biggest issues I have is the keyboard home keys on the D and K keys. Its an "Apple Keyboard" Did the Keybo…
68kMLA Peripherals by tbohen Mon, 12 Apr 2010 - 02:55

Mac plus ROM in a 512k question — #5

yea. well the reason i am asking questions like this, because in my spare time, i have a 512k system here, i was going to start modding it. keep it strictly for a mod machine. my …
68kMLA Troubleshooting by techknight Mon, 12 Apr 2010 - 02:51

Free Pismo — #9

I second this suggestion. Worked for every pismo I had that did not turn on.
68kMLA Hardware by Strimkind Mon, 12 Apr 2010 - 02:51

Mac plus ROM in a 512k question — #4

A0 is called UDS (Upper Data Select) and LDS (Lower Data Select) at the 68000 chip. That way, it can read either byte singly or both together. You're right, A0 as such doesn't usua…
68kMLA Troubleshooting by H3NRY Mon, 12 Apr 2010 - 02:08

Mac plus ROM in a 512k question — #3

Yea i was making it harder than what it really was. the ROM is 64kilobytes total, 32K in each chip. but each chip is on a 64K addressing system, so in theory it can address up to 1…
68kMLA Troubleshooting by techknight Mon, 12 Apr 2010 - 01:39

Mac plus ROM in a 512k question — #2

To start with, A0 selects the low or high byte ROM for 8-bit read, then A1 - A16 select the individual byte in each ROM out of 65536 possibilities or 64K, so 2 x 64K = 128K bytes o…
68kMLA Troubleshooting by H3NRY Mon, 12 Apr 2010 - 01:03

SE/30 Historically accurate screen adjustments — #7

As mentioned, you want to be at 72 DPI, so display a page in MacDraw or MacWrite with the rulers showing, hold a real ruler against the screen and adjust to match.
68kMLA Troubleshooting by H3NRY Mon, 12 Apr 2010 - 00:13

Mac plus ROM in a 512k question — #1

I have a question. and i am probably confusing myself by thinking this. the mac plus ROM is 128K correct? Well i am looking at early mac schematics posted elseware, its only addr…
68kMLA Troubleshooting by techknight Sun, 11 Apr 2010 - 22:41

Free Pismo — #8

Did you take the pram battery out? That solved most of my Pismo problems.
68kMLA Hardware by geeko Sun, 11 Apr 2010 - 22:28

Free Pismo — #7

Awesome. I have a boxed 400MHz Pismo at work, but I can't get it to power on. It was a donation from a parent. I'm going to use it as a portable OS 9 machine because of some of …
68kMLA Hardware by olePigeon Sun, 11 Apr 2010 - 22:00

SE/30 Expansion — #8

< . . . sneaks into SE/30 territory just to look around . . . :?: > < . . . wonders which way the card would point if a IIsi NuBus Adapter wer…
68kMLA Hardware by Trash80toHP_Mini Sun, 11 Apr 2010 - 21:46

SE/30 Historically accurate screen adjustments — #6

The other major factor is that CRTs back then weren't as high quality, especially at the edges, as later CRTs. The black borders weren't just there for size considerations (they c…
68kMLA Troubleshooting by Anonymous Freak Sun, 11 Apr 2010 - 20:55

Help! Tips for Quadra 700 use — #3

Thanks so much for the reply beachycove! That unix sounds very interesting, will try that first. And the webserver, what a sweet idea! Will try that too. All in all I have to set…
68kMLA Networking by somorastik Sun, 11 Apr 2010 - 20:15

If my SE/30 shows 128MB of RAM do I need mode32 — #1

I found tons of discussions on mode32 but I'm a little confused on whether or not I need it. I just did a clean install of 7.5.3 and under About this macintosh it sees all 131,072K…
68kMLA Software by tbohen Sun, 11 Apr 2010 - 19:38

SE/30 Historically accurate screen adjustments — #5

I wonder if that's why my picture started to get a little wobbly when I expanded it to fill the entire space, insufficient voltage... I looked it up, according to my Classic II se…
68kMLA Troubleshooting by Paralel Sun, 11 Apr 2010 - 18:39

SE/30 Historically accurate screen adjustments — #4

All B&W Compact Macs have a specified measurement of exactly 7.11" wide and 4.47" tall. This is based on 72 dpi, so that 512x342 should display WYSIWYG accuracy: an inch on…
68kMLA Troubleshooting by Mac128 Sun, 11 Apr 2010 - 18:01
mp.ls