HP apollo 4200 gen9 Maintenance And Service Manual page 74

Remove the processor from the processor retaining bracket.
18.
Remove the system battery
19.
Remove the power pass-through board
20.
Disconnect all cables connected to the system board.
21.
Remove the cable management holder
22.
Remove the failed system board.
23.
("System battery" on page 70).
("Power pass-through
("Cable management
board" on page 69).
holder" on page 113).
Removal and replacement procedures 74