Hello dear friends of the list,
Weird! Can anybody explain the following:
I have a stock WGS 9150/120 with 256 MB of RAM installed
that mysteriously stopped working in a way that I have NEVER
seen before!
The machine was operating completely normally (with OS 7.6.1)
and I merely needed to restart after installing some new software.
So I selected "Restart" from the Special menu...
and the screen went blank, and the system went to reboot...
... but absolutely nothing happened after that!!!
(NO startup chime, no image or blank raster on the screen,
no Sad Mac error code or error tones... NOTHING!
It's as if restarting the system KILLED IT!!!!
So far, I have tried the following, all without success:
1. Replaced the PRAM battery with a brand new one
2. Removed all hard drives and tried to boot from known good drive
3. Replaced the internal SCSI cable
4. Removed ALL NuBus cards
5. Took out the PDS terminator from the PDS slot and replaced it
with another known good PDS terminator
6. Tried to "bypass" the internal 120 MHz 601 PPC CPU by inserting
a NewerTech Maxpowr G3 upgrade into the PDS slot
NONE of these steps have worked.
I still get NOTHING when I turn the power on... not even a startup chime.
Could it be that the power supply has gone bad?
Or is there possibly a problem with the RAM?
(I thought that if the RAM was a problem, the mobo would produce a startup
chime, but then fail the POST test with a Sad Mac error code. Am I wrong?)
What about the possibility that the oscillator that controls the CPU has
failed?
I've only had this machine for about three months, and I depend on it for my
livelihood (it runs my Protools Digital Audio Workstation).
Please help if you can!
Thanks in advance,
Greg Shafritz
P.S.: Yes, I know this is the PCI Power Macs list, but the traffic on
the "1st Power Macs" list is nonexistent, so I believe that the
"once removed" rule regarding these lists applies in this case.
TIA!
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