On the front there is an on/ off switch to the right of a red LED light. There are also two 13 pin male connectors to the right of the "Atari 850" logo. On the back there is a 4 connector serial interface.
Date
1982 ca.
Manufacturer
Atari
Place Manufactured
Sunnyvale, Calif.
Identifying Numbers
Model number
ATARI 850
Printed in black on a white sticker on the bottom
Other number
106464
Printed in black on a white sticker on the bottom
Other number
361
Patent pending number Stamped on white sticker on the bottom