Midplane (hp-qualified only), Tools, Procedure – HP StorageWorks 2405 Disk System User Manual
Page 126: Midplane (hp-qualified only) 126, Tools 126, Procedure 126

126
Removal and Replacement
Midplane (HP-Qualified Only)
The midplane board is replaceable by HP-qualified personnel only.
Replace the midplane based on troubleshooting results (see “Isolating Causes” in
chapter 4). Disks, LCCs, and power supply/fan modules connect to the midplane.
The power must be OFF and the top cover removed in order to remove and
replace the midplane board.
Caution
Turning off a disk system isolates the enclosed disks from the host.
Perform recommended system administration to prevent loss of
pending I/Os to the disks.
Tools
■
Small flat-blade screwdriver
■
Torx T25 screwdriver
■
Torx T15 screwdriver
■
Torx T10 screwdriver
■
ESD strap
Procedure
1
Remove the top cover. See page 124.
2
Put on your ESD strap and attach the free end to the disk system.
Caution
Static discharge can destroy functional components on the
midplane.
3
To remove the midplane:
a
Loosen the cam handle locking screws and pull power supplies free of the
midplane (see page 120).
b
Loosen the cam handle locking screws and pull the LCCs free of the
midplane.
c
Remove the disk modules from the chassis.
d
Remove the light pipes (see Figure 63 on page 128).
e
Remove the power switch extender arm.