Dell Precision 410 User Manual page 127

As the system boots, it detects the presence of the new processor and automat-
ically changes the system configuration information in the System Setup
program. If you installed a second microprocessor, the following message is
displayed:
Second processor detected
NOTE: After you remove and replace the cover, the chassis intrusion detector will
cause the following message to be displayed at the next system start-up:
ALERT! Cover was previously removed.
See Chapter 3, "Using the System Setup Program."
See Chapter 3, "Using the System Setup Program," for instructions.
NOTE: If a setup password has been assigned by someone else, contact your
network administrator for information on resetting the chassis intrusion detector.
See your Windows NT documentation for instructions.
When you reinstall Windows NT 4.0, the operating system detects the second
microprocessor.
See your Diagnostics and Troubleshooting Guide for information on running the
diagnostics and troubleshooting any problems that may occur.
A 3.0-V CR2032 coin-cell battery installed on the system board maintains system con-
figuration, date, and time information in a special section of memory.
Installing System Board Options 9-13