Midplane Riser Board; Removing The Midplane Riser Board - HP rp4410 Service Manual

Midplane Riser Board

The midplane riser board is attached to the main bulkhead in the center of the chassis.
WARNING!
from the server before removing or replacing the midplane riser backplane.
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:
behavior or system failure. For assistance with this procedure, contact your local HP Authorized
Service Provider.
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 Riser Board

To remove the midplane riser board, follow these steps:
1. If rack-mounted, slide the server out from the rack until it stops. See
Rack-Mounted Server" (page
2. Remove the front bezel. See
3. Remove the front and top covers. See
4. Remove the memory extender board. See
5. Remove the processor extender board. See
(page 161).
6. Remove the three chassis fan units. See
7. Remove the I/O baseboard assembly. See
8. Remove the SCSI duplex board from the SCSI backplane. See
Board" (page
9. Remove the SCSI backplane. See
10. Unplug the power distribution board power cable and signal cable from the midplane riser
board.
11. Remove the air baffle.
12. To disconnect the cable from the midplane riser board, release the latches on the DVD I/O
board cover and front panel display board cable.
13. Unplug the QuickFind diagnostic board cable from the midplane riser board.
NOTE:
board.
14. Using a Torx 15 driver, remove the five T-15 screws attaching the midplane riser board to
the chassis.
15. Grasp the top edge of the midplane riser board and lift straight up to release it from the
keyway slots on the chassis.
216 Removing and Replacing Components
Ensure that the system is powered off and all power sources have been disconnected
Failure to properly complete the steps in this procedure results in erratic system
149).
"Removing the Front Bezel" (page
195).
At this point, all cables and connectors must be unplugged from the midplane riser
"Front and Top Covers" (page
"Removing the Memory Extender Board" (page
"Removing the Processor Extender Board"
"Hot-Swappable Chassis Fan Unit" (page
"Removing the I/O Baseboard Assembly" (page
"Removing the SCSI Backplane" (page
"Accessing a
152).
152).
172).
"Removing the SCSI Duplex
214).
155).
175).