the 2 big clues are , it is plastic wrapped, blue, yellow, purple, etc.and 2nd clue is soldered down and has no socket mounts at all as real PCs have.THE ML1220 COIN CELL IS BAD AND IS ON BOTTOM OF MOBO.
3VDC, AS THE MANUAL TOLD YOU, SOLDERING DOWN WRONG CELL HERE IT EXPLODESTHAT BE A QUOTE.IT IS IN FACT RE-CHARGEABLE.actual location varies, as A200 is only base series. the number and letters to the end tell what PC it really is and was not told by you.so answers can be wrong. lacking full service tag, shown Part number of PC.old Core2, PC 14 years old and with 965 lame chip set.all bad. all this, and lacks any futures.