Dell PowerEdge R940 EMC Installation and Service Manual - Page 153

System board, Removing the system board

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Next steps 1. Follow the procedure listed in After working inside your system on page 66. 2. While booting, press F2 to enter System Setup and verify that the system detects the USB memory key. System board Removing the system board Prerequisites CAUTION: If you are using the Trusted Platform Module (TPM) with an encryption key, you may be prompted to create a recovery key during program or System Setup. Be sure to create and safely store this recovery key. If you replace this system board, you must supply the recovery key when you restart your system or program before you can access the encrypted data on your hard drives. 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 65. 2. Follow the procedure listed in Before working inside your system on page 66. 3. Remove the following: a. Air shroud b. Fan cage with cooling fans c. Power supply unit(s) d. All expansion cards and risers e. Processor expansion module (PEM) f. Integrated storage controller card g. IDSDM module h. Internal USB key (if applicable) i. Processor and heat sink module j. Processors CAUTION: To prevent damage to the processor pins when replacing a faulty system board, ensure that you cover the processor socket with the processor protective cap. k. Memory modules and memory module blanks l. Network daughter card risers m. Cable management bracket Steps 1. Disconnect all cables from the system board. 2. Holding the system board handle, pull the blue release pin, slide the system board towards the front of the system. Sliding the system board toward the front of the system disengages the connectors from the back of the system slots. 3. Lift the system board out of the system. Installing and removing system components 153

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Next steps
1.
Follow the procedure listed in
After working inside your system
on page 66.
2.
While booting, press F2 to enter
System Setup
and verify that the system detects the USB memory key.
System board
Removing the system board
Prerequisites
CAUTION:
If you are using the Trusted Platform Module (TPM) with an encryption key, you may be prompted to create
a recovery key during program or System Setup. Be sure to create and safely store this recovery key. If you replace this
system board, you must supply the recovery key when you restart your system or program before you can access the
encrypted data on your hard drives.
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 65.
2.
Follow the procedure listed in
Before working inside your system
on page 66.
3.
Remove the following:
a.
Air shroud
b.
Fan cage with cooling fans
c.
Power supply unit(s)
d.
All
expansion cards
and
risers
e.
Processor expansion module (PEM)
f.
Integrated storage controller card
g.
IDSDM module
h.
Internal USB key (if applicable)
i.
Processor and heat sink module
j.
Processors
CAUTION:
To prevent damage to the processor pins when replacing a faulty system board, ensure that you cover
the processor socket with the processor protective cap.
k.
Memory modules and memory module blanks
l.
Network daughter card risers
m.
Cable management bracket
Steps
1.
Disconnect all cables from the system board.
2.
Holding the system board handle, pull the blue release pin, slide the system board towards the front of the system.
Sliding the system board toward the front of the system disengages the connectors from the back of the system slots.
3.
Lift the system board out of the system.
Installing and removing system components
153