Removing And Replacing The Midplane Board; Removing The Midplane Board - HP Integrity rx6600 User's & Service Manual

Removal and Replacement

Removing and Replacing the Midplane Board

Removing and Replacing the Midplane Board
The midplane board is attached to the main bulkhead in the center of the chassis. It provides a connection
between the power supplies, the I/O board assembly, and the processor board assembly.
WARNING Ensure that the system is powered off and all power sources have been disconnected
from the server prior to performing this procedure.
Voltages are present at various locations within the server whenever an ac power
source is connected. This voltage is present even when the main power switch is in
the off position.
Failure to observe this warning can result in personal injury or damage to
equipment.
CAUTION Observe all ESD safety precautions before attempting this procedure. Failure to follow ESD
safety precautions can result in damage to the server.

Removing the Midplane Board

To remove the midplane board, perform the following steps:
Step 1. Power off the server and disconnect the power cables. See "Powering Off the Server" on page 50.
Step 2. If rack installed, slide the server completely out from the rack. See "Extending the Server from the
Rack" on page 57.
Step 3. Remove the top cover. See "Removing and Replacing the Top Cover" on page 58.
Step 4. Remove the memory carrier assembly cover. See "Removing the Memory Carrier Assembly Cover"
on page 60.
Step 5. Remove the memory carrier assembly. See "Removing the Memory Carrier Assembly" on page 87.
Step 6. Remove the processor board assembly. See "Removing the Processor Board Assembly" on page 99.
Step 7. Unplug the USB cable from the connector on the display board.
Step 8. Remove the DVD drive. See "Removing the DVD Drive" on page 83.
Step 9. Remove the display board. See "Removing the Display Board" on page 133.
Step 10. Slide the SAS drives and fillers approximately two inches out of the drive bays. See "Removing a
Hot-Pluggable Disk Drive" on page 70.
CAUTION
Step 11. Unplug the SAS data and power cables from the connectors on the SAS backplane boards.
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When disconnecting the SAS cables, note the labeling on the cables. Both cables and
sockets are clearly marked with the correct channel. When reconnecting these cables,
match each cable with the appropriate socket on the SAS core I/O card. If the cables
are mismatched, your server will not boot the OS.
Chapter 4