Asus Xeon 5U Rackmount Server AP1720-E1 - Manual (Page 24)

Chapter 2: Hardware setup 2-8
1. Place the heatsink with fan
assembly on top of the installed
CPU1. Make sure it fits the screw
holes of the heatsink bracket at
the bottom of the CPU socket.
2. Use a Phillips screwdriver to
tighten all four screws enough to
secure the heatsink in place.
Take caution in tightening
screws. Do not over-tighten
screws, doing so may
damage the motherboard!
TIP: Follow the sequence shown:
half-tighten the screw on one
corner of the heatsink and fan,
then the next screw on the other
corner and so on, making a cross
pattern. Repeat until all four
screws are tightened properly.
Make sure heatsink with fan assembly is mounted properly on the CPU
to avoid burning the CPU and/or CPU socket!
To install the CPU heatsink and fan:
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Make sure that you have applied the thermal grease to the top of the
CPU before installing the heatsink and fan!