Replacing Parts
6. Insert the new battery with the positive sign (+) facing out, and ensure that it is seated
completely. Be sure the retaining latch is in place, and holds the battery firmly.
7. If necessary, replace any accessory boards removed to allow access to the battery socket.
8. Close the side panel.
9. Replace the external cables and power cord.
10. Power up the server and return it to normal operation.
System Board
Use the following steps to replace the system board:
1. If the server is operating, log off all users, back up files, and power down the server.
2. Disconnect the power cord and any external cables connected to the server. If necessary,
label each one to expedite re-assembly.
3. Remove the side panel.
4. Remove all accessory boards mounted on the system board.
5. Remove all cables connected to the system board. If necessary, label each one to expedite
re-assembly.
6. Lay the chassis down to gain access to the system board.
7. Remove the system fan.
8. Remove the PCI card guide.
9. Remove the four (eight if a second processor/heatsink is installed) screws securing the
heatsink and the fan cable(s).
10. Use a Torx T-15 driver to remove the ten screws securing the system board to the chassis.
CAUTION:
Use caution to prevent the T-15 driver from slipping and damaging the system
board.
11. Lift the system board gently at its two front corners to unsnap the board from the chassis.
12. Slide the system board forward and then lift the board up and away from the chassis.
Refer to Figure 5-4.
5-6
HP ProLiant ML150 Server Operations and Maintenance Guide
HP CONFIDENTIAL
Codename: Stone Soup Part Number: 343329-001 Last Saved On: 8/14/03 10:30 AM
