HP (Hewlett-Packard) E1Z89UTABA ユーザーズマニュアル

Disconnect the fan cable from the system board connector labeled CPUFAN (1), and then lift the

heat sink from atop the processor (2).

When reinstalling the fan sink, make sure that its bottom has been cleaned with an alcohol wipe and

fresh thermal grease has been applied to the top of the processor.

Fan sink retaining screws should be tightened in diagonally opposite pairs (as in an X) to

evenly seat the fan sink on the processor to avoid damage that could require replacing the system

board.

Make sure to replace the fan duct. Failure to install the fan duct may cause the computer to overheat.

 

4770, 3.4 GHz, 8-MB L3 cache, 86W

727373-001

 

4670, 3.4 GHz, 6-MB L3 cache, 86W

727381-001

4570, 3.2 GHz, 6-MB L3 cache, 86W

727380-001

Prepare the computer for disassembly (

).

Remove the access panel (

Remove the fan duct (

Remove the fan sink (

136

Chapter 6   Removal and replacement procedures: Small Form Factor (SFF)