40 Maintaining and Troubleshooting the Gateway ALR 7200 Server
Replacing the Battery
The battery provides power for the system real-time clock and CMOS
RAM, which holds the system configuration information.
1.
Restart the computer and start the BIOS Setup program by pressing
F
2
when you are prompted to do so.
2.
Write down the CMOS values from the Main Setup screen so you can
re-enter them after you replace the battery. (For more information
about the setup program, see Chapter 4, “BIOS Setup”.)
3.
Turn off the system and disconnect the power cord.
4.
Open the case, observing the static electricity precautions in
Chapter 1.
5.
Locate the battery on the system board, see Figure 4 on page 10. The
battery is circular and has the positive pole mark (+) on the top.
6.
Gently pull the battery from its socket, and press the new battery in the
socket with the positive pole (+) up. Be sure you have pressed the
battery down far enough for it to contact the base of the socket.
7.
Close the case, as described in Chapter 1.
8.
Reconnect the power cord and turn on the system.
9.
Enter the BIOS Setup program and verify that the system
configuration is correct using the data you recorded in Step 2.
If the CMOS data is not correct, change the information in the setup screens
as necessary.
To replace the battery
Caution!
There is a danger of
explosion if the battery is
incorrectly replaced.
Replace the battery only
with the same or equivalent
type recommended by the
manufacturer. Dispose of
used batteries according to
the manufacturer’s
instructions.
3436.book Page 40 Friday, August 7, 1998 10:23 AM