IBM 8138 Computer Hardware User Manual


 
21. Install the new system board assembly into the computer chassis by aligning
the four slots in the metal plate on the bottom of the system board with the
tabs in the chassis. Then slide the system board toward the rear of the chassis.
Important
Make sure to correctly align the metal plate on the bottom of the system
board with the tabs in the chassis. Otherwise, the system board might be
damaged when you install the screws.
22. Align the seven screw holes, and install the screws.
23. Reinstall all adapter cards. See “Replacing an adapter” on page 26.
24. Reconnect all cables that were disconnected from the system board. Make sure
all cables are routed correctly. See “Identifying parts on the system board” on
page 4 for cable locations.
25. Reinstall the lower drive cage and secure it with the thumb screw.
26. Reconnect the signal and power cables to the drives in the lower drive cage.
27. Reinstall the air baffle.
28. Go to “Completing the installation” on page 33.
18 Hardware Replacement Guide