Apple Mac 8600 - Manual (Page 97)

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.
Your volumes or
folders within
volumes appear as
duplicates
1 Verify JackHammer’s termination. (You can change
termination via JackHammer Custom Termination dialog
box.)
2 Verify there are no SCSI ID conflicts. (JackHammer ships
with default SCSI ID of 7. Change ID via JackHammer
initiator pop-up menu.)