Compaq Deskpro 2000 - Changing the Real-Time Clock (RTC) Battery

Compaq Deskpro 2000 Series of Personal Computers 7-9
4. Replace the cover and tighten the thumbscrews on the rear panel.
5. Turn the computer on.
6. Run the Computer Setup utility to reconfigure the system.
✎
When jumper on the clear-CMOS header is removed, the password becomes invalid
because the password is stored in the configuration memory. You will need to reset the
password.
7.2.3 Changing the Real-Time Clock (RTC) Battery
When installing the replacement RTC battery, the battery connector should be connected to the pins
of the battery connector on the system board. The battery connector is labeled “E9 Ext. Batt.” on the
Pentium system board and labeled “Ext. Batt.” on the Pentium II system board. The battery connector
is keyed for proper installation.
Figure 7-9.
Battery Connector (E9) Location, Pentium System Board
Figure 7-10.
Battery Connector Location, Pentium II System Board
Refer to Chapter 5 or Chapter 6 for complete instructions on installing a replacement RTC battery.