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Chapter 14 Troubleshooting

POST and SCSI Troubleshooting

DLT-S4 Product Manual 125

If, after attempting the recommended actions listed in the table, the

problem still exists or recurs, a hardware failure may be the cause.

Contact your service representative.

Table 37 POST and SCSI

Troubleshooting Guidelines

If... Then... You should...

The computer does not

recognize the DLT-S4

tape drive system

The computer may not be

configured to recognize

the interface ID.

Configure the computer to recognize the DLT-S4

tape drive system’s ID.

The SCSI ID may not be

unique.

Change the SCSI ID and power cycle the entire

system.

The new ID becomes effective at the next power

cycle or interface bus reset.

Host bus adapter

parameters may be

incorrect.

• Check host bus adapter documentation for

parameter settings.

• Ensure that the host bus adapter card and the

SCSI bus are operating in Ultra320 mode.

The SCSI cable may be

loose.

Ensure the SCSI cable is fully seated at each

connector end.

The SCSI bus may not be

terminated correctly.

A terminator may not be at

the end of bus or more

than two terminators may

be present.

• Ensure that a terminator is installed at each end

of the bus (one terminator is usually already

installed at the host end of the bus).

• If the DLT-S4 tape drive is the last or only device

on the bus, be certain the terminator is installed

on the DLT-S4 tape drive.

• If the DLT-S4 tape drive is not the last or only

device on the bus, check the cable connections

and ensure that the bus is properly terminated at

each end.

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