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Trusted Platform Module
91
Clearing Trusted Platform Module Ownership
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. Review precautions in "Before you Begin" on page 25.
2. Move the BIOS configuration jumper (J9J4) on the board to pins 2-3 (see Figure 17 on page 45
for the location of the jumper).
3. Restore power to the PC and power on.
4. System should automatically enter the BIOS setup program.
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. Review precautions in "Before you Begin" on page 25.
9. Restore the configuration jumper (J9J4) 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/cgi/ecrm.dll/ecrm/scripts/prod_ov.jsp?oid=29049&cat_oid=-9313
• For assistance with the Wave System EMBASSY Trusted Suite, visit the web at:
http://www.wave.com/support/ets.html