Product data

Step 6. (from steps 5 and 8)
Can the using system access this disk drive module?
NO Go to step 7.
YES Go to step 8 on page 61.
Step 7. (from step 6)
Remove the disk drive module that you have just tested, and install a different
disk drive module into a different slot.
Note: Because this disk drive module is not in the same slot, its SCSI address
is different (see SCSI Addresseson page 25).
Can the using system access this disk drive module?
NO
a. In the sequence shown, exchange the following FRUs for new
FRUs. Ensure that for each FRU exchange, you check whether
you can access the disk drive module, to verify the repair.
1) External SCSI cable
2) SCSI interface card assembly (see SCSI Interface Card
Assemblyon page 97)
3) SCSI attachment (see the using-system service information)
4) Frame assembly (see Frame Assemblyon page 106)
b. If the repair is successful, reinstall all the disk drive modules and,
if removed in step 3 on page 59, the SCSI interface card
assembly.
c. Go to MAP 2410: 2104 Repair Verificationon page 65 to verify
the repair.
YES
a. In the sequence shown, exchange the following FRUs for new
FRUs. Ensure that for each FRU exchange, you check whether
you can access the disk drive module.
1) The disk drive module that you tested immediately before
this one (see Disk Drive Modules and Dummy Disk Drive
Moduleson page 75). Install the replacement disk drive
module into the original slot.
2) Frame assembly (see Frame Assemblyon page 106)
b. Reinstall all the other disk drive modules and, if removed in step 3
on page 59, the SCSI interface card assembly.
c. Go to MAP 2410: 2104 Repair Verificationon page 65 to verify
the repair.
60 2104 Service Guide