Dell PowerEdge R840 EMC Installation and Service Manual - Page 143
Initializing the TPM 1.2 for TXT users, Control panel, Removing left control panel
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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. Control panel A control panel allows you to manually control the inputs to the server. Removing left control panel Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 44. 2. Follow the procedure listed in Before working inside your system on page 45. 3. Remove the non-GPU air shroud or GPU air shroud. 4. Remove the cooling fan assembly. NOTE: Ensure that you note the routing of the cables as you remove them from the system board. To prevent the cables from being pinched or crimped, route the cables properly when you replace them. Steps 1. Open the cable latch, and disconnect the control panel cable from the system board connector. 2. Using a Phillips #1 screwdriver, remove the screws that secure the control panel and ribbon cable to the system. 3. Holding the control panel and ribbon cable, remove the control panel along with the ribbon cable away from the system. Installing and removing system components 143