Atari Cartridge Slot ("Left" slot on all machines; "Right" slot on 800 only)
A
B
C
D
E
F
H
J
K
L
M
N
P
R
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Pin
Function
1
~S4(Left) R/~W late(Right)
A
RD4(Left) B02(Right)
2
A3
B
GND
3
A2
C
A4
4
A1
D
A5
5
A0
E
A6
6
D4
F
A7
7
D5
H
A8
8
D2
J
A9
9
D1
K
A12
10
D0
L
D3
11
D6
M
D7
12
~S5(Left) ~S4(Right)
N
A11
13
+5V
P
A10
14
RD5(Left) RD4(Right)
R
R/~W
15
~CCTL
S
B02
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