HP 800 G1 E1Z88UT#ABA, E1Z84UT E1Z84UT#ABA, 800 G1 E1Z89UTABA, 800 G1 E3T09UT#ABA manual System board

System board

Description	Spare part number
System board for use in models without Windows 8	696970-001
System board for use in models with Windows 8 Standard	696970-501
System board for use in models with Windows 8 Professional	696970-601
System board for use in NetClone models	727721-001
Front I/O panel	732762-001

CAUTION: Be very careful when removing or replacing the system board to prevent damaging it.

1.Prepare the computer for disassembly (Preparation for disassembly on page 141).

2.Remove the access panel (Access panel on page 142).

3.Remove the memory modules (Memory on page 147).

4.Remove the front fan (Front fan on page 150).

5.Remove the optical drive (Removing the optical drive on page 151).

6.Remove the hard drive (Hard drive on page 154).

7.Remove the drive cage (Drive cage on page 164).

8.Remove the heat sink (Heat sink on page 157).

9.Disconnect the rear fan cable from the system board.

10.Remove the power button cable from atop the front I/O panel.

11.Disconnect any remaining cables connected to the system board, noting their location for reinstallation.

12.Remove the front I/O panel:

a.Remove the Torx T15 screw from the right side of the panel that secures it to the front of the chassis.

System board 171