HP Integrity rx8620 Server User Service Guide

Figure 6-43 Cell Board Power LED
4. Press each extraction lever to release the cell board then pull the extraction levers outwards.
See Figure 6-16 (page 121).
5. Slide the cell board from the chassis. See Figure 6-18 (page 122).
6. Remove the memory and CPU covers.
7. Locate the VRM to be replaced.
8. Loosen the VRM retaining screws.
9. Pull the VRM off the cell board.
Replacing a VRM
To replace a VRM, follow these steps:
1. Insert the new VRM into the socket.
CAUTION: Check for proper pin orientation before inserting VRM.
2. Tighten the screws until snug but do not over tighten.
3. Replace cell board memory and CPU covers.
4. Insert the cell board into the chassis.
5. Restore power to the cell board and test.
6. Install the right side cover. See “Replacing the Side Cover” (page 110).
Removing and Replacing the Core I/O
The core I/O is located in the rear of the chassis. There can be two core I/O boards installed in
the server, core I/O 0 and core I/O 1. The core I/O can be replaced while standby power is applied.
However, the operating system on the nPartition must be shut down to replace the FRU.
Removing and Replacing the Core I/O 157