IBM 8428 - Manuals

Overview This guide contains instructions for replacing the following customer replacement units (CRUs): v Power supply v System board v Microprocessor v Hard disk drive v Memory modules Safety information Do not open your computer or attempt any repair before reading the “Important safety informati...

Replacing customer replaceable units (CRUs) Attention Do not open your computer or attempt any repair before reading the “Safety notices” in the Quick Reference that was included with your computer. If you no longer have this copy of the Quick Reference , you can obtain one online from the IBM Web s...

Identifying parts on the system board The system board (sometimes called the planar or motherboard ) is the main circuit board in your computer. It provides basic computer functions and supports a variety of devices. The following illustration shows the locations of parts on the system board. 1 Fan ...

Removing and replacing the microprocessor Attention Do not open your computer or attempt any repair before reading the “Safety notices” in the Quick Reference that was included with your computer. If you no longer have this copy of the Quick Reference , you can obtain one online from the IBM Web sit...

4. Release the lever 1 holding the microprocessor heat sink. 5. Remove the heat sink, and do one of the following: v If you are replacing the microprocessor, place the old heat sink aside. You must use the new heat sink shipped with the new microprocessor. Note Do not use the old heat sink with the ...

Notes: a. Notice of the orientation of the notches 1 on the microprocessor . This is important when reinstalling the microprocessor on the system board. * X XXX XXX XX* b. Do not drop anything on the socket while it is open. Keep all contacts as clean as possible. 7. To install the microprocessor, d...

b. Remove the new microprocessor from its static-protective package. * X XXX XXX XX* c. Hold the microprocessor 2 by its sides and loosen the black cover 3 on the microprocessor, but do not remove the black cover. d. Place the microprocessor on the static-protective package. e. Use the vacuum pen 1 ...

7. Reconnect the external cables. Plug the power cord into the computer then into a properly grounded power receptacle. 1 Power cord connector 9 Parallel connector 2 Cable lock latch 10 Audio line-in connector 3 Rope clip (U-bolt) holes 11 Audio line-out connector 4 PCI and PCI express adapter slots...