System Motherboard - Compaq ES40CSLP Installation, User & Service Manual

Removal and Replacement

5.24 System Motherboard

Perform the following procedure to remove the system motherboard:
1. Extend the chassis for service (see Section 5.2).
2. Remove the top cover (see Section 5.4).
3. Remove all of the memory motherboards (see Section 5.14).
4. Remove all of the CPU modules (see Section 5.13).
5. Remove the bottom access cover (see Section 5.23).
6. While reaching through the bottom access cover opening, disconnect the two power
connectors
motherboard.
7. Remove the two screws
the chassis (see Figure 5-23).
8. Remove the three screws
motherboard
9. Remove the four screws
of the chassis (see Figure 5-23).
10. Lift the center module support bracket from the chassis.
11. Remove the three screws
chassis (see Figure 5-24).
12. Remove the screw that secures the motherboard access bracket
chassis (see Figure 5-24).
13. Slide the system motherboard to the left until it disconnects
Figure 5-24).
14. Lift the right edge of the system motherboard up and out of the chassis.
To replace the system motherboard, refer to Figure 5-23 and Figure 5-24 and reverse steps 1
through 14 of the removal procedure. Ensure that the jumpers on the new system motherboard
are set to match the jumpers on the system motherboard being replaced.
______________________________ Note ___________________________
After replacing a system motherboard, the firmware must be updated. Refer
to Section 3.10 to update the firmware on the new system motherboard.
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5–26 Compaq ES40CSLP Rackmount System Installation/User/Service Guide
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and the two signal connectors
›
that secure the center module support bracket to the left side of
œ
that secure the center module support bracket to the system
ž
(see Figure 5-23).

that secure the center module support bracket to the right inside
Ÿ
that secure the system motherboard to the bottom of the
š
from the front edge of the system
ž
to the left side of the
¡
from the PCI backplane (see