IBM 8685 Hardware Maintenance Manual - Page 135

System board and shuttle, reinstallation see Installing an adapter

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9. Remove the power box assembly from the server. 10. To install the AC power box, reverse the previous steps. System board and shuttle Note: When replacing the system board, you must either update the system with the latest firmware or restore the pre-existing firmware that the customer provides on a diskette or CD image. Complete the following steps to remove the system board or shuttle. Note: v Read "Before you begin" on page 41. v Read the safety notices at "Safety information" on page 169. v Read "Handling electrostatic discharge-sensitive devices" on page 172. 1. Turn off the server and any attached devices. 2. Disconnect all power cords and external cables from the back of the server. 3. Remove the cover (see "Removing the top cover (all models)" on page 51). 4. Remove the air baffle: a. Pull out the two plastic fasteners (also known as pop rivets) on the front of the air baffle. Note: Do not remove the fasteners from the server. b. Grasp the handle on the air baffle; then, lift the air baffle from the server. 5. Remove all adapters and place them on a static-protective surface for reinstallation (see "Installing an adapter" on page 55). 6. Remove all fans (see "Replacing a hot-swap fan" on page 101). 7. Move the shuttle back to allow easy access to the system board. 8. Remove the memory board assembly and place it on a static-protective surface for reinstallation (see "Installing memory modules" on page 82). 9. Remove all microprocessors and VRMs (see "Microprocessor removal" on page 119) and place them on a static-protective surface for reinstallation. 10. Disconnect all cables from the system board (see "System-board internal cable connectors" on page 45). Chapter 5. Service replaceable units 125

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9.
Remove the power box assembly from the server.
10.
To install the AC power box, reverse the previous steps.
System board and shuttle
Note:
When replacing the system board, you must either update the system with
the latest firmware or restore the pre-existing firmware that the customer
provides on a diskette or CD image.
Complete the following steps to remove the system board or shuttle.
Note:
v
Read “Before you begin” on page 41.
v
Read the safety notices at “Safety information” on page 169.
v
Read “Handling electrostatic discharge-sensitive devices” on page 172.
1.
Turn off the server and any attached devices.
2.
Disconnect all power cords and external cables from the back of the server.
3.
Remove the cover (see “Removing the top cover (all models)” on page 51).
4.
Remove the air baffle:
a.
Pull out the two plastic fasteners (also known as pop rivets) on the front of
the air baffle.
Note:
Do not remove the fasteners from the server.
b.
Grasp the handle on the air baffle; then, lift the air baffle from the server.
5.
Remove all adapters and place them on a static-protective surface for
reinstallation (see “Installing an adapter” on page 55).
6.
Remove all fans (see “Replacing a hot-swap fan” on page 101).
7.
Move the shuttle back to allow easy access to the system board.
8.
Remove the memory board assembly and place it on a static-protective
surface for reinstallation (see “Installing memory modules” on page 82).
9.
Remove all microprocessors and VRMs (see “Microprocessor removal” on
page 119) and place them on a static-protective surface for reinstallation.
10.
Disconnect all cables from the system board (see “System-board internal cable
connectors” on page 45).
Chapter 5. Service replaceable units
125