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. Install the heat sink onto the microprocessor as described in “Installing an
additional microprocessor” on page 80.
System board
Complete the following steps to remove the system board.
Note:
v
Read “Installation guidelines” on page 41.
v
Read the safety notices at “Safety information” on page 163.
v
Read “Handling electrostatic discharge-sensitive devices” on page 166.
1. Turn off the server and any attached devices.
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.
2. Disconnect external cables and option cables from the back of the server.
3. Lay the server so that the cover is facing up.
4. Remove the cover (see “Removing the left-side cover” on page 51).
5. Disconnect and remove adapters and spacers (see “Working with adapters” on
page 56).
6. Remove the two central fans (see “Replacing a hot-swap fan” on page 91).
7. Remove the plastic baffle.
8. Remove the adapter support bracket (see “Removing and installing the
adapter-support bracket” on page 54).
9. Disconnect all cables from the system board.
Note:
Place all disconnected cables carefully to the side so that they do not
come in contact with the center of the system board.
10. Remove all microprocessors and VRMs and set them aside on a
static-protected surface for reinstallation (see “Microprocessor removal” on
page 113).
11. Remove the memory modules and set them aside on a static-protected surface
for reinstallation (see “Installing memory modules” on page 77).
Note:
When you set the DIMMs aside, be sure to keep track of the slots they
belong to; DIMMs must be installed in pairs of the same size, speed,
112
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