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Trusted Platform Module
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Clearing Trusted Platform Module Ownership
WARNING
Disconnect the desktop board's power supply from its AC power source before you connect or
disconnect cables, or install or remove any board components. Failure to do this can result in
personal injury or equipment damage. Some circuitry on the desktop board can continue to
operate even though the front panel power switch is off.
CAUTION
DATA ENCRYPTED BY ANY PROGRAM UTILIZING THE TPM WILL BECOME
INACCESSIBLE IF TPM OWNERSHIP IS CLEARED. Recovery procedures may allow the
migratable keys to be recovered and might restore access to encrypted data. (Review the Recovery
Procedures for detailed instructions).
The TPM may be cleared to transfer ownership of the platform to a new owner.
1. Observe precautions in the above WARNING then open the system case.
2. Move the configuration jumper on the board to pins 2-3.
3. Restore power to the PC and power on.
4. System should automatically enter BIOS setup.
5. Use the arrow keys to select Clear Trusted Platform Module, press <Enter>.
6. If you agree to the warning message select Ok and press <Enter>.
7. Press the <F10> key to save and exit, select Ok and press <Enter>.
8. Power off the system.
9. Review precautions in the WARNING above.
10. Restore the configuration jumper on the board to pins 1-2.
When cleared, the TPM module is disabled by default.
Software Support
• For assistance with the Infineon Security Platform Software, visit the web at:
http://www.infineon.com
• For assistance with the Wave System EMBASSY Trust Suite, visit the web at:
http://www.wave.com/support/ets.html
• For additional information about TPM and enhancing PC security, visit:
https://www.trustedcomputinggroup.org/home