Dell PowerEdge R740xd2 EMC Installation and Service Manual - Page 141

To prevent damage to the processor socket when replacing a faulty system board, ensure that you cover

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6. Remove the system from the rack and place it on an ESD work bench. For more information, see the Rail Installation Guide available at www.dell.com/poweredgemanuals. 7. Remove the system cover. 8. Remove the following: CAUTION: Do not lift the system board by holding a memory module, processor, or other components. a. Air shroud b. Drive cage (rear) (if installed) c. All expansion cards and risers d. Internal PERC riser e. IDSDM/vFlash module f. Optional internal USB key (if installed) g. Processors and heat sink modules h. Processors blanks (if installed) i. Memory modules and memory module blanks j. LOM riser card Steps 1. Disconnect all cables from the system board. 2. Using a Phillips #2 screwdriver, remove nine screws securing the system board to the chassis. Figure 124. System board screws 3. Hold the system board holder, slightly lift the system board, and then slide it toward the front of the chassis. CAUTION: To prevent damage to the processor socket when replacing a faulty system board, ensure that you cover the processor socket with the processor dust cover. 4. Incline the system board at an angle, and lift the system board out of the chassis. Installing and removing system components 141

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6.
Remove the system from the rack and place it on an ESD work bench. For more information, see the
Rail Installation Guide
available at
www.dell.com/poweredgemanuals
.
7.
Remove the system cover
.
8.
Remove the following:
CAUTION:
Do not lift the system board by holding a memory module, processor, or other components.
a.
Air shroud
b.
Drive cage (rear)
(if installed)
c.
All expansion cards and risers
d.
Internal PERC riser
e.
IDSDM/vFlash module
f.
Optional internal USB key
(if installed)
g.
Processors and heat sink modules
h.
Processors blanks (if installed)
i.
Memory modules and memory module blanks
j.
LOM riser card
Steps
1.
Disconnect all cables from the system board.
2.
Using a Phillips #2 screwdriver, remove nine screws securing the system board to the chassis.
Figure 124. System board screws
3.
Hold the system board holder, slightly lift the system board, and then slide it toward the front of the chassis.
CAUTION:
To prevent damage to the processor socket when replacing a faulty system board, ensure that you cover
the processor socket with the processor dust cover.
4.
Incline the system board at an angle, and lift the system board out of the chassis.
Installing and removing system components
141