HP Vectra XM5 4 User Manual page 47

6 Set the switches on the system board for the correct processor speed. Refer to the section
"System Board Connectors and Switches". If you use an Intel Overdrive processor, refer to
the instruction leaflet supplied with the processor to see whether you should change the
position of any switches on the system board.
7 Remove the old VRM by unclipping the two white tabs, and then slide the module up and
out of the socket. Slide the new VRM into the socket, pressing it down firmly. Push the
white tabs back into place. The VRM module goes in one way only.
8 Replace the computer's power supply and cover. Reconnect all cables and power cords.
After Installing an Upgrade Processor
Switch on the PC and verify that the new processor is recognized by the Power-On-Self-Test.