IBM THINKCENTER 8128, Руководство по техническому обслуживанию аппаратной части

Страница: 67 / 290

Microprocessor
0.01 ML of
thermal grease
Note: 0.01ML is one tick mark on the syringe. If the grease is properly applied,
approximately half (0.22ML) of the grease will remain in the syringe.
6. Place the fan and heat sink into position on the microprocessor.
7. When tightening the screws that clamp the heat sink, do not overtighten.
Tighten the clamp screws evenly by tightening one side some and then the
other until they are both snug.
8.
Reconnect the fan to the system board connector.
9. Go to “Replacing the cover and connecting the cables” on page 63.
Replacing the system board (all machine types)
Note: The computer might look slightly different than the following illustrations
To remove the system board:
1. Turn off the computer and peripheral devices and disconnect all external cables
and power cords; then, remove the cover. See “Removing the cover” on page
30.
2.
Disconnect all cables connected to the system board.
3. Remove the screws that secure the system board to the chassis and lift out the
system board.
Chapter 6. Replacing FRUs
61