What I've done and found so far:
Battery was bad. I replaced it with a good one (3.65V). After a couple of days that battery is still good.
Pulled the sound card (Wings or whatever). No startup beep (not surprising) but otherwise the same.
Pulled the ROM, no chime (again, no surprise).
Swapped RAM around with other known good RAM, no difference. Pulled the RAM altogether, breaking glass sound like I'd expect.
Disconnected all drive cables, no change
Hit the cuda, no effect.
Zapped the PRAM. Holding Command-Option-P-R did nothing, no additional chimes were heard.
Removed and reseated the ZIF, no effect.
Pulled the VR module and inspected it, it looks okay.
Pulled the logic board and inspected it, it looks okay.
Plugged in an ATI video card and connected monitor to it. No change.
Checked +5, +12, okay.
Checked the PS jumper near the Cuda, it's correct (the other position doesn't power up)
Everything that can be reseated has been.
Being that it chimes and senses the lack of RAM I figure the processor is running as is most of the hardware. I don't think it's the video since I tried a PCI card. It seems to be something in the boot process since I can't zap the PRAM. The only thing that has come to mind so far is that the G3's backside cache may be munged. It's possible this doesn't get activated until some point later in the boot process, between the chime and the video.
I've got another G3 desktop so I'm going to try swapping parts around, in particular the ZIF and logic board.
At this point I can't see any simple fix but if I'm lucky it's just the ZIF for example.
Does anyone have a suggestion.
TIA -- Clark Martin Redwood City, CA, USA Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
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