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Atari 8bit family connectors pinout

• 8 bit power supply
• 8 bit video out
• Joystick
• SIO
• 8 bit cartridge
• Atari parallel bus
• ECI
• XEGS Keyboard


• Alternative SIO (AKPV)

Atari 400/800/XL/XE SIO

Atari Custom 13 pin male at computer side

1	Clock in
2	Clock out
3	Data in
4	GND
5	Data out
6	GND
7	Command
8	Motor control
9	Proceed
10	+5V / Ready
11	Audio in
12	not connected / Atari 400/800 +12V
13	Interrupt