Dell Dimension 2100 System Reference Manual page 66

c. Set the chip lightly in the socket and make sure that all pins are
headed into the correct holes. Because your system uses a ZIF
microprocessor socket, you do not need to use force, which could
bend the pins if the chip is misaligned. When the chip is
positioned correctly, press it with minimal pressure to seat the
microprocessor in the socket. Be careful not to bend the pins.
d. When the chip is fully seated in the socket, pivot the
microprocessor-socket release lever back toward the socket until
it snaps into place, securing the chip.
Battery
CAUTION: There is a danger of the new battery exploding if it is incorrectly
installed. Replace the battery only with the same or equivalent type
recommended by the manufacturer. Discard used batteries according to the
manufacturer's instructions.
To remove the 3-volt (V), CR2032 coin-cell battery:
1. Make a copy of the screens in the system setup program. Enter
the
system setup program
or copy the system configuration information from the system setup
screens.
1 Battery
2 Battery socket
, and print (by pressing the <Print Screen> key)