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• Before you attach the CPU to the computer, clean all thermal grease that has been used and then apply
new thermal grease. Apply new thermal grease at an amount of 2.5 grams, on the parts marked
shown in the following illustrations. Either too much or too less application of grease can cause a thermal
problem due to imperfect contact with a component.
System board
Before you start, ensure that you have read "Prerequisite for CRU replacement" on page 60.
Removal steps
1. Remove the following parts if any:
a. "Side cover" on page 64
b. "Power supply assembly" on page 66
c. "Optional internal storage drive cage" on page 67
d. "Devices in the front-access storage bay" on page 74
e. "On-board M.2 SSD" on page 77
f.
"NVLINK bridge" on page 79
g. "Half-length PCIe card" on page 81
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ThinkStation P8 Hardware Maintenance Manual
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