HP (Hewlett-Packard) D3K72UT#ABA Personal Computer User Manual


 
System Board
Description Spare part number
System board (includes thermal material) 665223-001
The system board is secured to the computer with six screws.
1. Prepare the computer for disassembly (
Preparation for Disassembly on page 80).
2. Remove the access panel (
Access Panel on page 81).
3. When replacing the system board, make sure the following components are removed from the
defective system board and installed on the replacement system board:
Memory modules (see
Memory on page 84)
Expansion cards (
Expansion Card on page 89)
Heat sink (
Fan Sink on page 109)
Processor (
Processor on page 111)
4. Remove the fan from the chassis (
Fan Assembly on page 107).
5. Rotate the drive cage to its upright position.
6. Rotate the power supply to its full upright position.
7. Disconnect all data and power cables from the system board.
8. Disconnect the balance of the cables from the system board.
System Board 115