433 SX/T  (259-7701)               Battery              Faxback Doc. # 2308

Each time you turn on the computer, it accesses a battery-backed memory chip
(CMOS RAM) that contains information about your computer configuration. The
CMOS RAM battery also powers a real-time clock that keeps the system time
and date.

NOTE: The replacement battery can be ordered from National Parts.
      Part number CS-0032 is a 3.6V lithium battery

When the battery fails, the computer loses the configuration and the time
and date information each time you turn off the computer.

WARNING: Improper handling of this lithium battery can be hazardous. Never
recharge, disassemble, or heat the battery above 100°C (212°F). Never solder
directly to the battery or expose the contents of the battery to water.
Dispose of used batteries according to the manufacturer's instructions.
Replace the battery with a battery of the same type.

To replace the battery:

1. Turn off the computer and disconnect all cables.
2. Discharge any accumulated static electricity from your body by touching a
   grounded metal object. Then, open the computer.
3. Connect the battery wire to the battery connector on the main logic
   board.
4. Attach the battery to the Velcro strip.
5. Be sure the internal cables are securely connected and do not cause
   mechanical interference. Then, close the computer.
6. Reconnect all cables.
7. Run the setup utility to enter configuration information.

Faxback Document # 2309 will provide specific information on the main logic
board layout and battery location.

(rjs-05/21/93)