Dell PowerEdge C4140 EMC Installation and Service Manual - Page 127

cover the processor socket with the processor dust cover.

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CAUTION: Do not attempt to remove the TPM plug-in module from the system board. Once the TPM plug-in module is installed, it is cryptographically bound to that specific system board. Any attempt to remove an installed TPM plug-in module breaks the cryptographic binding, and it cannot be re-installed or installed on another system board. 1. Follow the safety guidelines listed in Safety instructions on page 57. 2. Follow the procedure listed in Before working inside your system on page 58. 3. Remove the following: a. Removing the air shroud on page 63 b. Removing an expansion card riser on page 81 c. Removing the power supply unit d. Replacing the optional internal USB memory key on page 97 e. Removing PCH air shroud. f. Removing a processor and heat sink module on page 88 g. Processors blanks (if applicable) 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. h. Removing a memory module on page 78 i. Removing the network daughter card on page 94 Steps 1. Disconnect all cables from the system board. CAUTION: Take care not to damage the system identification button while removing the system board from the chassis. CAUTION: Do not lift the system board by holding a memory module, processor, or other components. 2. Using a Phillips #2 screwdriver, remove the ten screws securing the cable guides, PCIe guide, NDC guide, and PCH shroud base. 3. Remove both the cable guides, NDC guide, PCIe guide, and PCH shroud base. Figure 101. Remove the cable guides, NDC guide, PCIe guide, and PCH shroud base 4. Using Phillips #2 screwdriver, remove the seven screws securing the system board to the chassis. 5. Holding the system board holder, slide the system board toward the front of the chassis. PowerEdge C4140 installing and removing system components 127

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CAUTION:
Do not attempt to remove the TPM plug-in module from the system board. Once the TPM plug-in module is
installed, it is cryptographically bound to that specific system board. Any attempt to remove an installed TPM plug-in
module breaks the cryptographic binding, and it cannot be re-installed or installed on another system board.
1.
Follow the safety guidelines listed in
Safety instructions
on page 57.
2.
Follow the procedure listed in
Before working inside your system
on page 58.
3.
Remove the following:
a.
Removing the air shroud
on page 63
b.
Removing an expansion card riser
on page 81
c.
Removing the power supply unit
d.
Replacing the optional internal USB memory key
on page 97
e.
Removing PCH air shroud.
f.
Removing a processor and heat sink module
on page 88
g.
Processors blanks (if applicable)
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.
h.
Removing a memory module
on page 78
i.
Removing the network daughter card
on page 94
Steps
1.
Disconnect all cables from the system board.
CAUTION:
Take care not to damage the system identification button while removing the system board from the
chassis.
CAUTION:
Do not lift the system board by holding a memory module, processor, or other components.
2.
Using a Phillips #2 screwdriver, remove the ten screws securing the cable guides, PCIe guide, NDC guide, and PCH shroud base.
3.
Remove both the cable guides, NDC guide, PCIe guide, and PCH shroud base.
Figure 101. Remove the cable guides, NDC guide, PCIe guide, and PCH shroud base
4.
Using Phillips #2 screwdriver, remove the seven screws securing the system board to the chassis.
5.
Holding the system board holder, slide the system board toward the front of the chassis.
PowerEdge C4140 installing and removing system components
127