Apple Mac 8600 User Manual
Page 92
Troubleshooting
Symptom Charts/Problems with Jack•Hammer Ultra SCSI Card
• Shut down computer and disconnect all cables from PCI
SCSI JackHammer card.
• Restart computer while pressing Command-Option-J.
• 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.
System has a bootup
problem (primarily a
blank gray screen and
mouse cursor)
1 Turn off external drives and restart computer to see if older
external drives are locking up the bus during boot. If
problem goes away, replace drive.
2 Make sure JackHammer is securely seated in its slot.
3 Open PCI SCSI JackHammer Control Panel and see if
JackHammer appears in scroll box. If not, conduct
JackHammer self-diagnosis as follows:
• Load CD-ROM system disc that came with WS 9650 (or
prepare to boot from a drive not connected to Ultra SCSI
bus).