Replacing the system board assembly
Attention:
Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Quick Reference that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Quick Reference or HMM, go to http://www.ibm.com/pc/support.
1.Turn off the computer and allow it to cool for one hour.
2.Remove the computer cover. See “Removing the computer cover” on page 5. Note: For this procedure, it helps to lay the computer on its side.
3.Carefully note the location of all cable connections on the system board. It will be necessary to reconnect them correctly after you install the new system board assembly. See “Identifying parts on the system board” on page 4 to locate the cables.
Important
Note the cable routing. It is important to route the cables the same way after you install the new system board.
4.Remove the air baffle by squeezing the two tabs 1 together and pulling it out of the chassis.
5.Remove any PCI adapter cards. See “Replacing an adapter” on page 26.