Apple Mac 8600 - Manual (Page 81)

Troubleshooting Symptom Charts/Hard Drive - 18
• Open Control Panel folder and hold down Command key
while double clicking on PCI SCSI JackHammer control
panel.
If diagnostic points to problem with PCI SCSI JackHammer
card, replace JackHammer card. If not, continue with trou-
bleshooting steps below.
6 Replace power supply.
7 Replace processor card.
8 Replace logic board. Retain customer's DIMMs.
Drive does not appear
on the desktop
1 Verify there are no duplicate SCSI device addresses on a
single SCSI bus.
2 Update SCSI device driver using Drive Setup. Run Disk First
Aid to verify condition of drive's directory structure.
3 Replace SCSI hard drive cable connected to non-operational
drive.