Wide Ultra Scsi Bus Repeater Module Troubleshooting - Digital Equipment DIGITAL Server 7100 1200 Service Maintenance Manual

Troubleshooting
Wide Ultra SCSI Bus Repeater Module
Troubleshooting
Problem
Server does not recognize an
internal wide Ultra SCSI device.
Server unable to perform wide
Ultra SCSI data transfers
4-32
Possible Cause
Wide Ultra SCSI bus repeater
module cables and/or power
cables not connected properly.
Wide Ultra SCSI bus repeater
module not connected to all
wide Ultra SCSI buses.
SCSI bus repeater module
failed.
Did not run the SCSI or RAID
Configuration Utility.
Action
Make sure all cables are
connected as shown on the
Quick Reference labels
attached to the server's side
panels.
Make sure a wide Ultra SCSI
bus repeater module is
connected to each wide Ultra
SCSI bus. Refer to the Quick
Reference labels.
Remove the cables from the
bus repeater and connect the
cables from the SCSI adapter
and power supply directly to
the backplane. Reboot the
server. If the server boots
and the problem disappears,
replace the SCSI bus repeater
module.
Run the SCSI or RAID
configuration utility and enable
wide Ultra SCSI data
transfers.