On May 4, 2005, at 3:59 PM, David Elmo wrote:
From: Jim Kilponen <[EMAIL PROTECTED]> Subject: [PCI] No start-up, no Icon on my PM8500 (?)
Hi, PCI Macs. I just joined the list*... help! anyone? Not even a SadMac.
I get reg. bong and p/s is working but get no further than gray screen and a live cursor.
I would yank out all the ram except one or two trusted sticks (you don't
need to trust even, you can rotate in trials. See if any single sticks will
do the job, start on a basic system ext set or all off if possible. Take all
prefs out of SF for a while and press Cuda or yank battery for a while and
reinsert...
This is less likely, imo, to be memory or a PRAM issue than a SCSI termination or ID thing.
This gray screen + cursor is *exactly* what you get with a fubared SCSI chain.
Double check that all drives are id'ed correctly, and distinctly.
Make sure you have termination at only one device on the bus, preferably the last phsyical device, but I've seen situations where, depending on cable lengths and the particular devices, termination else where in the chain worked better.
Make sure that only ONE device is providing termination power to the chain (typically in a stock set up this is the Apple-installed CDROM.)
*Make sure that the terminated device is set to expect term power from the chain.
*Make sure everything is set to 'wake up' on power-up. Some drives, most notoriously surplussed RAID devices are set to wait for a start signal.
Finally suspect more advanced SCSI devices first, 80-pin SCA drives with adapters are notorious for being finicky.
(* Not all SCSI devices have these settings. Check the jumper instructions on the device manual)
Finally, if you have one of those wretched SCSI/Parallel Zip drives, take it out and throw it against the wall repeatedly until it can commit evil no more...
-- Bruce Johnson University of Arizona College of Phar macy Information Technology Group
Institutions do not have opinions, merely customs
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