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Fan sink
Description Spare part number
Fan sink 643907-001
1. Prepare the computer for disassembly (Preparation for Disassembly on page 76).
2. Remove the computer access panel (
Computer Access Panel on page 77).
3. In the order indicated, loosen the four captive screws that secure the fan sink to the system board.
CAUTION: Fan sink retaining screws should be removed in diagonally opposite pairs (as in an
X) to even the downward forces on the processor. This is especially important as the pins on the
socket are very fragile and any damage to them may require replacing the system board.
Figure 6-44 Loosening the fan sink screws
4.
Disconnect the fan cable from the white system board connector labeled CPUFAN (1).
Fan sink
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