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56 Maintaining and Troubleshooting the Gateway ALR 7300 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
reenter them after you replace the battery. (For more information about
the setup program, see Chapter 4, “Using the BIOS Setup Utility” on
page 62.)
3. Turn off the system and disconnect the power cord.
4. Open the case (“Opening the system” on page 3), observing the static
electricity precautions in “Static electricity precautions” on page 2.
5. Locate the battery on the system board, see Figure 7 on page 14. 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 (see Figure 37). Be sure you have
pressed the battery down far enough for it to contact the base of the
socket.
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.
4075.book Page 56 Friday, April 2, 1999 9:26 AM