Quantum Audio drive DDS-4 - Manual (Page 50)

Troubleshooting SCSI ID Problems
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SCSI ID Problems
Each SCSI device on the same SCSI bus must have a unique SCSI ID. The default SCSI ID for internal
and external DDS-4 and DAT 72 drives is 6. You should leave this default SCSI ID unchanged unless
another device on the SCSI bus is already using this ID.
If the default SCSI ID is already in use, you can change the default SCSI ID on the drive using either
jumpers on the back of the internal tape drives or the SCSI ID Selector switch on the back of the
external SCSI drives. After you set the SCSI ID, record your setting. For more information about SCSI
IDs, see “SCSI ID” on page 21 if you have an internal tape drive or “SCSI ID” on page 35 if you
have an external tape drive.
SCSI Termination Problems
If an external DDS-4 or DAT 72 drive is the last device or the only device in a SCSI chain, you must
install a terminating plug on the unused SCSI connector. For more information, see “Checking SCSI
Termination” on page 38.
The internal DDS-4 and DAT 72 drives do not provide SCSI termination. Therefore, do not install
these drives as the last devices in the SCSI chain. If the drive is the only SCSI device, attach the drive
to the connector which is next to last on the SCSI chain and attach a multi-mode terminator to the last
connector in the chain. For more information, see “Checking SCSI Termination” on page 30.
Mounting Hardware Problems
The internal DDS-4 and DAT 72 drives are designed to install in most servers using the hardware
accompanying the drives, without requiring additional items. However, if your server requires addi-
tional items to install the internal DDS-4 or DAT 72 drives, or if any original server components are
damaged or lost, contact your server manufacturer or vendor.
Drive Does Not Work
If the green Power-On LED on the external tape drive does not go ON, or if the internal tape drive
does not work:
1. Check the power connection to the drive.
2. If the connection is secure, replace the power cable with one that is known to work.
3. If the drive still does not work, contact the Technical Support department.