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Cisco UCS C220 M4 Server Installation and Service Guide
OL-32473-01
Chapter 3 Maintaining the Server
Installing or Replacing Server Components
Installing and Enabling a Trusted Platform Module
The trusted platform module (TPM) is a small circuit board that attaches to a motherboard socket. The
socket location is on the motherboard between the power supplies and PCIe riser 2 (see Figure 3-27).
This section contains the following procedures, which must be followed in this order when installing and
enabling a TPM:
1. Installing the TPM Hardware, page 3-45
2. Enabling TPM Support in the BIOS, page 3-46
3. Enabling the Intel TXT Feature in the BIOS, page 3-47
Note For security purposes, the TPM is installed with a one-way screw. It cannot be removed with a standard
screwdriver.
Installing the TPM Hardware
Step 1 Prepare the server for component installation.
a. Power off the server as described in Shutting Down and Powering Off the Server, page 3-7.
b. Slide the server out the front of the rack far enough so that you can remove the top cover. You might
have to detach cables from the rear panel to provide clearance.
Caution If you cannot safely view and access the component, remove the server from the rack.
c. Remove the top cover as described in Removing and Replacing the Server Top Cover, page 3-8.
d. Check if there is a card installed in PCIe riser 2. See Figure 3-27.
• If no card is installed in PCIe riser 2, you can access the TPM socket. Go to Step 2.
• If a card is installed in PCIe riser 2, remove the PCIe riser assembly from the chassis. See Replacing
a PCIe Riser Assembly, page 3-36 for details.
Step 2 Install a TPM (see Figure 3-27):
a. Locate the TPM socket on the motherboard, as shown in Figure 3-27.
b. Align the connector that is on the bottom of the TPM circuit board with the motherboard TPM
socket. Align the screw hole on the TPM board with the screw hole adjacent to the TPM socket.
c. Push down evenly on the TPM to seat it in the motherboard socket.
d. Install the single one-way screw that secures the TPM to the motherboard.
e. If you removed the PCIe riser assembly, return it to the server now. See Replacing a PCIe Riser
Assembly, page 3-36 for details.
f. Replace the top cover.
g. Replace the server in the rack and then power on the server by pressing the Power button.
Step 3 Continue with Enabling TPM Support in the BIOS, page 3-46.
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