HP Integrity rx7620 Server - User Service Guide, Sixth Edition

NOTE: If the firmware or programmable hardware versions are not at or above the
minimum versions, go to the HP website to obtain the latest Firmware Release Notice and
firmware patches.
The Firmware Update Release notice is included in the download bundle and includes the
upgrade instructions.
24. Power on the nPartition. See Appendix D.
25. To verify proper operation of the cell board, use the info cpu command from the EFI Shell.
Removing and Replacing a Cell Board VRM
The voltage regulator modules (VRMs) are located on the cell boards. There are a total of 15
VRMs on the cell board. Seven are high voltage and eight are low voltage.
Figure 6-57 VRM Locations
CAUTION: Observe all ESD safety precautions before attempting this procedure. Failure to
follow ESD safety precautions can result in damage to the server.
Removing a Cell Board VRM
Before attempting to remove or replace a VRM, you must remove the system power to the cell
board that contains the VRM to be replaced. For more information, see “Shutting Down nPartitions
and Powering Off Hardware Components ” (page 96).
Removing and Replacing a Cell Board VRM 157