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.

Replacing the battery

The battery provides power for the system real-time clock and CMOS RAM, which holds the system configuration information.

To Replace the Battery

1.Restart the computer and start the BIOS Setup program by pressing F2 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.

56 Maintaining and Troubleshooting the Gateway ALR 7300 Server