TANDY 2500 RSX (250-1620/1621) Battery Faxback Doc. # 1886 The battery powers the system clock, enabling it to maintain the correct time and date or configuration information. You can obtain a replacement battery (23-162) from your computer dealer. If the computer does not restart when you turn it on or reset it, the battery might be weak or dead. Before replacing the battery, refer to Faxback Doc. # 1916 for Main Logic Board Layout to locate the battery socket. To replace the battery: 1. Gently lift the battery clip and remove the old battery from the socket on the main logic board. 2. Insert the new battery, positive (+) side up. 3. Run the setup utility to enter the time and date. WARNING: There is danger of an explosion if the battery is replaced incorrectly. Replace the battery only with the same type or an equivalent type recommended by the manufacturer's instructions. Do not dispose of a battery in a fire.