Service Manual

The TPM Status changes to Enabled, Activated.
Initializing the TPM 1.2 for TXT users
Steps
1. While booting your system, press F2 to enter System Setup.
2. On the System Setup Main Menu screen, click System BIOS > System Security Settings.
3. From the TPM Security option, select On with Pre-boot Measurements.
4. From the TPM Command option, select Activate.
5. Save the settings.
6. Restart your system.
7. Enter System Setup again.
8. On the System Setup Main Menu screen, click System BIOS > System Security Settings.
9. From the Intel TXT option, select On.
Initializing the TPM 2.0 for TXT users
Steps
1. While booting your system, press F2 to enter System Setup.
2. On the System Setup Main Menu screen, click System BIOS > System Security Settings.
3. From the TPM Security option, select On.
4. Save the settings.
5. Restart your system.
6. Enter System Setup again.
7. On the System Setup Main Menu screen, click System BIOS > System Security Settings.
8. Select the TPM Advanced Settings option.
9. From the TPM2 Algorithm Selection option, select SHA256, then go back to System Security Settings screen.
10. On the System Security Settings screen, from the Intel TXT option, select On.
11. Save the settings.
12. Restart your system.
Cable chain assembly
Removing cable chain assembly
Prerequisites
1. Follow the safety guidelines listed in Safety Instructions.
2. Power off the system and all attached peripherals.
3. Disconnect the system from the electrical outlet, and disconnect the peripherals.
4. Open the drive bays, remove all drives, and then close the drive bays.
5. Remove the power supply units.
6. Remove the system from the rack and place it on an ESD work bench. For more information, see the Rail Installation Guide at
www.dell.com/xcseriesmanuals.
7. Remove the system cover.
8. If installed, remove the front bezel.
9. Remove the following:
a. Drive bay 1 backplane bracket.
b. Drive bay 2 backplane bracket.
c. Air shroud.
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Installing and removing system components