
Apple II Computer Info
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### FILE : pwrsuppl.globar
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### Created : Tuesday, September 30, 1997 Modified: Tuesday, September 30, 1997
### File Type: "TEXT" File Creator: "LMAN"
### File Size: 3264 bytes 3 KB
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Newsgroups: comp.sys.apple2
Subject: Re: GS Power Supply: Warning signal?
Date: Mon, 29 Sep 1997 21:20:50 +0000
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Dave Althoff writes ...
>
> Just wanted to relate my experience with GS power supply failures on
> upgraded ROM 00 GSes. My GS at work is a ROM 00 upgraded to a ROM 01. It
> is now on its third power supply
>
> ....
> Anyway, I have noticed what seems to be a warning signal when the power
> supply is about to die. ....
>
> It seems that when the power supply is about to go, the crackling becomes
> more frequent and more pronounced. .... Then, when I returned a bit later,
> the supply was dead. In fact, I cracked the thing open and there is this
> nice crunchy ceramic cap, and a couple of clearly overheated spots on the
> board.
>
> .... I thought I would pass that along in case there are GS
> users out there watching for telltale signs of power supply failure...
>
Thanks for the info.
Your GS seems to be eating power supplies. Ours is a Woz ROM-00 machine
(one of the first three purchased in Houston) which went through the ROM-01
upgrade and a few motherboard swaps. It is still on the original (no
internal fan) power supply, except that, before adding a Zip-GSx accelerator,
4MB RAM, etc., we fattened-up the PS leads.
If there is something odd about the line voltage at your workplace--
Apple II Computer Technical Information : Apple II Family Hardware Info
ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 397 of 572
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