Red Hat Server tc3100 User's Guide Page 130

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130 Removal and Replacement
8 Reinstall the power and SCSI cables.
9 Reinstall disks and fillers. See page 110.
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, BCCs, fans, and power supplies connect to the midplane.
The power must be OFF (out) 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 128.
2 Put on your ESD strap and attach the free end to the ESD plug on the disk
system.
Caution Static discharge can destroy functional
components on the midplane.
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