System Board - HP xw9300 Service And Technical Reference Manual

System Board

To remove the system board:
1. Disconnect power from the system
cards and graphics cards
airflow duct
2. Disconnect all cabling from the system board.
NOTE: Make note of the cable connections before disconnecting them from the system board. Refer to
"Power Connections to Drives" on page 106
3. Turn the green lever
4. Push the system board forward and lift it out
To replace the system board:
1. Insert the system board straight down and make sure all standoffs engage with the keyholes in the
chassis.
NOTE: Be sure the system board connectors engage correctly with the rear I/O panel.
2. Push back on the board while maintaining downward pressure, so all standoffs remain engaged.
3. Turn the green lever counter-clockwise to engage the system board with the chassis.
(page
(page 100), remove the memory duct
(page 116), if installed, and remove the system fan assembly
1 clockwise to disengage the system board from the chassis.
79), remove the access panel
(page
for more information.
2 of the chassis.
Removal and Replacement of Components 129
(page 86), remove all plug-in
92), remove the CPU heatsinks
(page 93).