Hi nextse7en, are you able to post the pinout schematic for VGA -> Color Classic CRT? Been trying to do this awesome mod myself. The charm is truly in keeping the original…
68kMLATroubleshootingby luxorTue, 11 Oct 2011 - 00:38
omfg, Sonnet- the "it just works people", I will totally check that out when my kids are awake... they get a little annoyed when I sneak into their rooms at night to use their comp…
68kMLATroubleshootingby khmannSat, 4 Jun 2011 - 05:22
I'll continue the digression. Regarding your 7447 and the CPU Plugins problem. I have found this Japanese retailer that from the rough Google English translation seems to say they …
68kMLATroubleshootingby ccmacSat, 4 Jun 2011 - 03:46
of course lba-48 is optional, I included it as much as an example of how to set multiple variables as anything else. It does seem to work on my sawtooth, (Uni North Rev 3 btw), bu…
68kMLATroubleshootingby khmannSat, 4 Jun 2011 - 03:17
There is also a similiar discussion here http://www.cubeowner.com/forums/index.php?showtopic=12512 at the cubeowner forum about how to manually edit the open firmware to allow OS 9…
68kMLATroubleshootingby ccmacSat, 4 Jun 2011 - 02:37
Thanks, that's exactly the detail I wanted.
I notice you have added a new line enabling the lba-48 property. Can this line be considered optional and be omitted from the patch if …
68kMLATroubleshootingby ccmacFri, 3 Jun 2011 - 23:34
Note- I've updated the patch slightly based on some research... the Sawtooth 8.6 only seems to like 7400 and 7410 processor models. Reading some opensource PPC code online lead m…
68kMLATroubleshootingby khmannFri, 3 Jun 2011 - 18:18
Thanks for the firmware patch. I can't wait to try it out on my 7455 upgraded sawtooth. However, I have never done any open firmware editing before and I was wondering if you could…
68kMLATroubleshootingby ccmacFri, 3 Jun 2011 - 02:53
... I should mention that Sawtooth G4 shipped with PowerPC G4 7410 7400series CPU and that OS 8.6 doesn't like upgraded 7445 7450 7455 or whatever (it shows up as a bootable choice…
68kMLATroubleshootingby khmannWed, 1 Jun 2011 - 20:33
Hi Trag, many thanks for your reply.
I would very carefully examine the area around the 53C80 chip for damage/corrosion from the leaking capacitors.
Click to expand...
T…
68kMLATroubleshootingby zuiko21Fri, 6 May 2011 - 13:14
I would very carefully examine the area around the 53C80 chip for damage/corrosion from the leaking capacitors. Also, to the extent you can, visually trace the connections to the…
68kMLATroubleshootingby tragFri, 6 May 2011 - 00:06
Hi all,
After washing and recapping my SE/30´s mobo, it now starts with a loud, clear "bong" -- no more SimasiMac! Here it is, connected via LocalTalk to my Quadra 700 (as AppleSh…
68kMLATroubleshootingby zuiko21Thu, 5 May 2011 - 19:06
So after nearly a year, I'm reconsidering working on this iBook again. I just wanted to see if there were any second opinions about whats wrong with it.
For a flashback, this mach…
68kMLATroubleshootingby wardsenatorfe92Wed, 26 Jan 2011 - 06:36
There used to be arguments among memory upgraders about whether to use sockets or not. There are some 128K boards which just don't have enough juice to drive the extra capacitance …
68kMLATroubleshootingby H3NRYFri, 1 Oct 2010 - 06:10
I just went and bought a new screen for my PowerBook G4 today!
Now all I have to do is wait 3-4 days. Finally, I'll be able to use it as a laptop, except I don't have a battery…
Notice, he's wisely replaced them with sockets. But I have a stack of failed 128K boards all with Apple-branded, Sad Mac RAM error codes in need of replacement. Yet I have never se…
excessive shorted turns in the primary of the flyback will cause the flyback, and the horizontal output transistor to run excessively hot. Keep this in mind as well.... loose cores…
68kMLATroubleshootingby techknightSat, 21 Aug 2010 - 19:10
I have one that fizzes Nicola Tesla stylee (big blue arcs of HV) the sparks come from the triper (next to where the red HT cable is attached) to the scan coil cables, looks great i…
68kMLATroubleshootingby Interceptor2Fri, 20 Aug 2010 - 18:12
I know this thread is now somewhat old. I have an Atari ST 1040 with Sequencer One Plus (now free) and that is the tightest to date.
It has two issue that get me, one is it sends …
68kMLATroubleshootingby Interceptor2Fri, 20 Aug 2010 - 18:04
I had success repairing two of my mac portables with Sad Macs after lengthy board repairs.
As for opening the batteries, its been quite some time since I opened one, I used a box …
68kMLATroubleshootingby digitalrampageSun, 1 Aug 2010 - 16:06
I had two dead Portable batteries. I wanted to re-cell them, so I attempted opening one with a screwdriver, but that totally messed up and and bent the plastic. I have one remainin…
68kMLATroubleshootingby PataterSun, 1 Aug 2010 - 15:51
No, they don't all have working batteries.. yet.
I have a whole stack of macs, I have been collecting them for years, due to the fact many that I bought had varying problems with …
68kMLATroubleshootingby digitalrampageSun, 1 Aug 2010 - 15:31
If you installed any backwards, that is exactly the problem.
You have a lot of Portables. What do you do with them all? Do they all have batteries that work?
68kMLATroubleshootingby PataterSun, 1 Aug 2010 - 15:14
Actually i think i know why.. It seems I installed the all the wrong way around... ARG!
Why is the painted stripe on SMD caps negative, but positive on tantalums!
GO FIGURE!@
WO…
68kMLATroubleshootingby digitalrampageSun, 1 Aug 2010 - 07:59