IBM Adaptec Ultra320 SCSI User Manual page 132

IBM Ultra320 SCSI Controller 2 User's Guide
"Time-out failure during..."
An unexpected time-out occurred:
1 Verify that the SCSI bus is properly terminated.
2 Verify that all cables are properly connected.
Try disconnecting the SCSI device cables from the SCSI card and
then starting the computer. If the computer successfully restarts,
one of the SCSI devices may be defective.
A-6