Dell Dimension XPS 50 Reference Manual page 160

B-26 Dell Dimension XPS Txxx and Txxxr Systems Reference and Troubleshooting Guide
The Intel Pentium III microprocessor includes a processor serial number feature
designed to provide additional user security and manageability benefits. By default,
this feature is disabled on Dell systems to protect your privacy. However, it can be
enabled through the Processor Serial Number option in the system setup program.
To enable the processor serial number feature, perform the following steps.
1. Enter the system setup program as described at the beginning of this appendix.
2. When the Main screen appears, use the down-arrow key to highlight the
Processor Serial Number option.
3. Press <Enter>, select Enabled from the menu, and then press <Enter> again.
4. Use the right-arrow key to highlight Exit and then press <Enter>.
5. When prompted to confirm the changes you made, press <Enter>.
The system restarts with the processor serial number feature enabled.
NOTE: The processor serial number feature remains enabled until you disable it in
the system setup program.
To disable the processor serial number feature, repeat steps 1 through 5, selecting
Disabled in step 3.
To clear NVRAM for all devices and restart the system, perform the following steps:
1. Enter the system setup program as described at the beginning of this appendix.
2. Press the right-arrow key to move to the Advanced menu.
3. Press the down-arrow key to highlight Reset Configuration Data. Then press the
plus (+) key to change the setting to Yes (refer to Table B-3).
4. Press <F10> to exit the program and restart the system.