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 BIOS Setup so you can reenter them after you replace the battery. For more information about the setup program, see “BIOS Setup” on page 79.

3.Turn off the system and disconnect the power cords.

4.Open the case, observing the static electricity precautions in “Static Electricity Precautions” on page 2.

5.Locate the battery on the system board, see Figure 3 on page 11. The battery is circular and has the positive pole mark (+) on the top.

6.Gently pull the battery from its socket. You may need to use a screwdriver with an insulated handle or other implement to remove the battery, see Figure 28.

Figure 28: Replacing the Battery

68 Maintaining and Troubleshooting the Gateway ALR 9200 Server