Standard diagnostics,scsipbaandcentpba,are available for useby authorized service personnel. For more information on thesediagnostics,refer to the systemtroubleshooting and diagnostic manuals for your particular system.
Troubleshooting ChecklistTable
Table
Check list item
Are all connectors (SCSI andparallel) properly and securelyfastened?
Are all the external devices operating correctly?
Explanation
Marginal connections can causeimproper operation. Ensure that the adapter and retaining screwsare completely engaged. Check all cableconnections.
Run their
Doeseach device on the SCSIbus have a unique address(0 through 7)?
Are SCSIbus length and cablerequirements met?
Usually, there will be aset of switcheson the device. Conflicting addressesmaycauseintermittent or complete failures in transmission.
Minimize the SCSIbuslength. Do not exceed6 meters, which includes cable lengths inside eachperipheral (the SCSI/parallel adapter’sinternal SCSIbus length is 0.1 meter). However, do not
Are you using HP cables?
Do all deviceson the SCSI bushave the same
HP cablesare wired to minimize noise.
If any device on the SCSIbus doesnot generateparity, no deviceon that bus maycheck for it A mismatchcauses
Service Information