System Board - HP Z8 G4 Maintenance And Service Manual

System board

NOTE: The system board spare part kit includes replacement thermal material.
Follow these steps to remove the system board:
1. Prepare the computer for disassembly (see
following components:
a. Access panel (see
b. Interior upper cover and interior lower cover (see
c. Rear fan (see
d. Internal PCIe bracket (see
e. Memory fan (see
f. Front card guide and fans (see
NOTE:
removed from the defective system board and installed on the replacement system board.
2. Disconnect the following cables from the system board:
(1) Power supply P3 cable
(2) Front audio cable
(3) Power supply P2 cable
(4) Power supply P4 cable
(5) USB cable
(6) FUI cable
(7) Power supply P1 cable
(8) Drive SATA cables (up to 8 locations)
32 Chapter 4 Removal and replacement procedures
Access panel on page
Rear fan on page
Internal PCIe bracket on page
Memory fan on page
When replacing the system board, be sure that the heat sink (see
Preparation for disassembly on page
22)
Interior covers on page
25)
27)
28)
Front card guide and fans on page
17), and then remove the
24)
31)
Heat sink on page 34) is