HP E1Z84UT E1Z84UT#ABA, 800 G1 E1Z89UTABA manual System board, Description Spare part number

System board

Description	Spare part number
System board for use in models without Windows 8 (includes thermal material)	717522–001
System board for use in models with Windows 8 Standard (includes thermal material)	717522–501
System board for use in models with Windows 8 Professional (includes thermal material)	717522–601
System board for use in models with NetClone (includes thermal material)	727722–001

1.Prepare the computer for disassembly (Preparation for disassembly on page 94).

2.Remove the access panel (Access panel on page 95).

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 (Memory on page 100)

●Expansion cards (Expansion card on page 103)

●Fan sink (Fan sink on page 135)

●Processor (Processor on page 136)

4.Remove the fan duct from the chassis (Fan duct on page 124).

5.Rotate the drive cage to its upright position.

6.Disconnect all data and power cables from the system board.

7.Remove the eight Torx screws (1) that secure the system board to the chassis.

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