Scsi Cable/Backplane - Sun Microsystems Ultra 1 140 Service Manual

8

8.5 SCSI Cable/Backplane

8.5.1 Removing the SCSI Cable/Backplane
8-16
1. Remove the drive bracket from the chassis.
See Section 9.2.1, "Removing the Bracket from the Chassis."
2. Remove the hard disk drive assemblies.
If there are two hard disk drives in the system, remove both of them.
See Section 9.1.1, "Removing a Disk Drive."
Note – Make note of the slot each drive was installed into. Each slot has a
different SCSI target address (lower slot is target 0, and upper slot is target 1).
Installing a drive into the wrong slot could result in the file system problem or
system not booting.
3. Disconnect the peripheral power cable (P4) from the SCSI backplane
(marked PWR).
See Figure 8-14.
4. Disconnect the diskette cable (if present) from the SCSI backplane
(marked FLOPPY).
5. Remove the two screws from the SCSI backplane.
Sun Ultra 1 Series Service Manual—November 1995