Eliminating errors on the SCSI controller
SCSI Setup
30 - English
A26361-D981-Z120-9-7419
Eliminating errors on the SCSI controller
Most problems with the onboard ultra-wide SCSI controller occur when SCSI
devices are prepared (e.g. termination) and connected to the SCSI bus. Check the
following points if you have problems with the ultra-wide SCSI controller or the
connected SCSI devices:
•
Are all SCSI devices supplied with power?
•
Are the SCSI and power cables connected correctly on the SCSI device?
•
Is the SCSI cable connected correctly to the system board?
•
Has each SCSI device and the onboard SCSI controller been set to a different
SCSI ID?
•
Are the SCSI devices and the onboard SCSI controller correctly terminated?
•
Is the SCSI controller activated in the system BIOS (
BIOS Setup
)?
•
Is parity checking either enabled or disabled on all SCSI devices on the SCSI
bus?
SCSI BIOS messages
The following messages can appear during system startup if you have enabled the
SCSI BIOS:
Device connected, but not ready
The SCSI device connected to the ultra-wide SCSI controller is not ready (for
example because the drive motor for hard disks does not rotate). Set
Send
Start Unit Command
to
Yes
in the
SCSI Setup
for the SCSI device concerned. If
the message still appears, check the settings required for the SCSI device in
its documentation.
Start unit request failed
The SCSI BIOS could not issue a start unit command to the SCSI device. Call
the
SCSI Setup
and set
Send Start Unit
to
No
for the SCSI device concerned.
Time-out failure during ...
A timeout has occurred. Check the SCSI bus termination. Remove the SCSI
cable from the ultra-wide SCSI controller and restart the system. If system
startup is successful, check the SCSI cable. One of the SCSI devices may be
defective. Check the SCSI devices.
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