Service and Maintain

System Board
Description Spare part number
System board for use in 3300 models with 65W Intel processors (includes thermal material) 656598-001
System board for use in 3300 models with 95W Intel processors (includes thermal material) 660281-001
System board for use in models with AMD processors on 3305 models (includes thermal material) 638404-001
System board for use in 7300 models with Intel processors (includes thermal material) 656599-001
System board for use in models with Intel processors on 7500 models without Windows 8
(includes thermal material)
687940-001
System board for use in 7500 models with Windows 8 with no Digital Product Key (DPK) (includes
thermal material)
696887-001
System board for use in 7500 models with Windows 8 Standard (includes thermal material) 696887-501
System board for use in 7500 models with Windows 8 Professional (includes thermal material) 696887-601
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
● Memory modules
● Processor
●
Expansion cards
To remove the system board:
1. Prepare the computer for disassembly (
Preparation for Disassembly on page 50).
2. Remove the access panel (
Access Panel on page 51).
3. Lay the computer on its side with the rear facing toward you.
4. Remove the front bezel (
Front Bezel on page 53).
5. Remove an expansion cards (
Expansion Cards on page 61).
6. Disconnect the power, and data cables from the back of all installed drives.
7. Disconnect all cables from the system board.
100 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis