Q-Logic QLA12160 Manual de usuario descargar pdf (Pagina 16)

SCSI Problem Checklist 3 – Troubleshooting

3-2 DC8151101-00 B

3.4

SCSI Problem Checklist

■ Is the SCSI bus termination for the QLA12160 board set correctly (see

appendixes A and B)?

■ Is the termination for all devices on the SCSI bus set correctly?

■ Were all SCSI devices powered up before you powered up the PC?

■ Does each device have a unique SCSI ID? Each device must have a unique

ID between 0 and 15. The QLA12160 board is set to SCSI ID 7 at the factory.

■ Are the cable lengths within limits? Be sure that the total length for cables

connected to the QLA12160 board does not exceed the length listed in

table 3-1.

Table 3-1. Maximum Cable Length

Board and Mode Cable Length

QLA12160

point-to-point

15 nodes

single-ended Ultra mode

82 feet (25 meters)

39 feet (12 meters)

9.8 feet (3 meters)

4.9 feet (1.5 meters)

Table Notes

If you are mixing Ultra and non-Ultra SCSI devices, the total cable length cannot exceed the

maximum cable length established for Ultra SCSI devices.

For four or fewer devices connected to the board.

For up to six devices connected to the board.

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 29 30

Sin comentarios

Q-Logic QLA12160 Manual de usuario Pagina 16