1. Installing Internal Optional Devices
Express5800/R120h-1M User’s Guide
59
Chapter 2 Preparations
Note
Be sure to tighten each heatsink nut fully in the order indicated. Otherwise, boot
failure or intermittent shutdowns might occur.Do not touch the point of contact of
the processor.
③
Using a T-30 hexalobular screwdriver, fully tighten each heatsink nut in the order indicated on the
heatsink label (1 -2 -3 -4) until it no longer turns.
3.
If installing a second processor, install fans in bays 1 and 2. These fans are provided with the processor
option kit.
4.
Make sure that the heat sink is installed on a level with the motherboard.
Note
If the heat sink is not level, remove it, and then install it again.The following
probably causes the heat sink not to be level:
– The CPU is not positioned correctly.
– All screws are not completely tightened.
Do not move the secured heat sink.
