IBM AS/400 Repair And Parts

Disk Unit
Warning: The disk unit is sensitive to
electrostatic discharge. See Appendix A,
"Working with Electrostatic Discharge-Sensitive
Parts"
on page A-1.
1 Before exchanging a disk unit, you must
attempt to save customer data. If you did
not come to this procedure from Chapter 2,
Recovery Procedures, then go to Start Disk
Service Here
in Chapter 2, "Recovery
Procedures"
on page 2-1.
2 Power off the system. See Powering Off
the System
in Chapter 3, "Service Refer-
enced Procedures"
on page 3-1.
3 Disconnect the power cord.
4 Remove the covers. See "Covers" on
page 1-10.
5 Remove the access plate. See "Access
Plate" on page 1-2.
1-12 AS/400 9402/9404 Models 2xx Repair and Parts
6 Remove the disk unit cables from the disk
units.
7 Pull the disk unit from the frame.
8 Warning: Failure to replace the disk unit
jumpers where they were originally located
may cause data loss.
Write down the location of the jumpers
on
the disk unit that was just removed. See
the 9402/9404 Models
2xx Problem Anal-
ysis documentation for information about
address jumper locations.
9 To exchange the disk drive logic card, use
the instructions included with the new disk
drive logic card.
1 0 Install the disk unit by reversing the
removal procedure. Ensure that the
address jumpers from the original disk unit
are installed correctly
on the new disk unit.
See the 9402/9404 Models 2xx Problem
Analysis documentation for information
about address jumper locations.
This ends the procedure.

IBM AS/400 Specifications

General

Brand	IBM
Model	AS/400
Category	Network Hardware
Language	English