I have an atari 520stfm which supposedly has a 1 meg upgrade i just opened it up and need some help
firstly is the ram in 4 banks of 8 chips under the power supply?
if so i have 16 siemens chips there 2 rows of 8
all saying
SIEMENS
HYB
41256-12 and then along the side of this 8916
can any one tell me how much mem i actually have? and if i can still get the parts to upgrade further?