NEC EXPRESS 5800 ES1400 SERIES Online Service Manual page 70

7. Remove the new processor from its antistatic package and place it on a grounded,
static-free surface or conductive foam pad.
8. Position the thermal pad on top of the new processor so that the holes in the thermal
pad line up with the holes in the processor.
9. Position the heat sink on top of the new processor.
10. Install the two clips that secure the heat sink to the processor.
11. Position the processor back into the retention module. Ensure that the alignment
notch in the SEC cartridge fits over the plug in Slot 1. Push down firmly, with even
pressure on both sides of the top, until the SEC cartridge is seated.
12. To lock in the processor, push the latches outward until they click into place in the
retention module, Item A in Figure "Removing a Processor" above. The latches
must be secured for proper electrical connection of the processor.
13. After you have installed a new processor, you must run the BIOS Setup Utility (F2)
to configure its speed. Refer to Chapter 3, "Configuring Your System."
14. Replace the left side panel and power up the system.
4-10 Upgrading Your System