Problems with jack•hammer ultra scsi card or devic – Apple Mac 8600 User Manual
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Troubleshooting
Symptom Charts/Problems with Jack•Hammer Ultra SCSI Card
Problems with Jack•Hammer Ultra SCSI Card or
Devices Attached to It
This section covers problems you may experience when the
Jack•Hammer Ultra SCSI card is installed in the WS 9650.
SCSI signal degrada-
tion, including:
1)Devices attached to
JackHammer do not
appear on Desktop
2)System hangs or
freezes
3) System has bootup
problems (primarily
a blank gray screen)
4)Slow performance
1 Check each device and make sure all have unique SCSI IDs.
2 Make sure all devices at ends of the SCSI bus are properly
terminated.
3 Make sure all cables are securely connected. (Incorrectly
seated cables may exhibit burn marks.)
4 Make sure JackHammer is securely seated in its slot.
5 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).