Pinouts of Connectors

Atari Cartridge Ports connectors pinout

layout
schematic diagram
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Atari 2600 , 5200, 7800 and others cartridge port connectors

Atari 2600 Cartridge connector

(from Classic Atari 2600/5200/7800 Game Systems FAQ)

Connect a 2716 or 2732/2532 EPROM. 
                         Top
 D3   D4   D5   D6   D7   A12  A10  A11  A9   A8  +5V   SGND
--1- --2- --3- --4- --5- --6- --7- --8- --9- -10- -11- -12-
 GND  D2   D1   D0   A0   A1   A2   A3   A4   A5   A6   A7
                        Bottom

Top Row

Pin 2716 Pin CPU Name Description
1 13 D3 Data 3
2 14 D4 Data 4
3 15 D5 Data 5
4 16 D6 Data 6
5 17 D7 Data 7
6 * A12 Address 12
7 19 A10 Address 10
8 n/c A11 Address 11
9 22 A9 Address 9
10 23 A8 Address 8
11 24 +5V +5 VDC
12 12 SGND Shield Ground

* to inverter and back to 18 for chip select

Bottom Row

Pin 2716 Pin CPU Name Description
1 1 A7 Address 7
2 2 A6 Address 6
3 3 A5 Address 5
4 4 A4 Address 4
5 5 A3 Address 3
6 6 A2 Address 2
7 7 A1 Address 1
8 8 A0 Address 0
9 9 D0 Data 0
10 10 D1 Data 1
11 11 D2 Data 2
12 n/c GND Ground

Atari 5200 Cartridge connector

(from Classic Atari 2600/5200/7800 Game Systems FAQ)

Pin Name
1 D0
2 D1
3 D2
4 D3
5 D4
6 D5
7 D6
8 D7
9 Enable 80-8F
10 Enable 40-7F
11 Not Connected
12 Ground
13 Ground
14 Ground (System Clock 02 on 2 port)
15 A6
16 A5
17 A2
18 Interlock
19 A0
20 A1
21 A3
22 A4
23 Ground
24 Ground (Video In on 2 port)
25 Ground
26 +5 VDC
27 A7
28 Not Connected
29 A8
30 Audio In (2 port)
31 A9
32 A13
33 A10
34 A12
35 A11
36 Interlock

Atari 7800 Cartridge connector

(from Classic Atari 2600/5200/7800 Game Systems FAQ)

Pin Name Description
1 R/W Read/Write
2 HALT Halt
3 D3 Data 3
4 D4 Data 4
5 D5 Data 5
6 D6 Data 6
7 D7 Data 7
8 A12 Address 12
9 A10 Address 10
10 A11 Address 11
11 A9 Address 9
12 A8 Address 8
13 +5V +5 VDC
14 GND Ground
15 A13 Address 13
16 A14 Address 14
17 A15 Address 15
18 EAUDIO EAudio ???
19 A7 Address 7
20 A6 Address 6
21 A5 Address 5
22 A4 Address 4
23 A3 Address 3
24 A2 Address 2
25 A1 Address 1
26 A0 Address 0
27 D0 Data 0
28 D1 Data 1
29 D2 Data 2
30 Gnd Gnd
31 IRQ Interrupt
32 CLK2 Clock 2 ???

Another Atari cartridge connector

40 pin EDGE at the computer:

Pin Name Description
1 +5V +5 VDC
2 +5V +5 VDC
3 D14 Data 14
4 D15 Data 15
5 D12 Data 12
6 D13 Data 13
7 D10 Data 10
8 D11 Data 11
9 D8 Data 8
10 D9 Data 9
11 D6 Data 6
12 D7 Data 7
13 D4 Data 4
14 D5 Data 5
15 D2 Data 2
16 D3 Data 3
17 D0 Data 0
18 D1 Data 1
19 A13 Address 13
20 A15 Address 15
21 A8 Address 8
22 A14 Address 14
23 A7 Address 7
24 A9 Address 9
25 A6 Address 6
26 A10 Address 10
27 A5 Address 5
28 A12 Address 12
29 A11 Address 11
30 A4 Address 4
31 RS3 ROM Select 3
32 A3 Address 3
33 RS4 ROM Select 4
34 A2 Address 2
35 UDS Upper Data Strobe
36 A1 Address 1
37 LDS Lower Data Strobe
38 GND Ground
39 GND Ground
40 GND Ground

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Source(s): Classic Atari 2600/5200/7800 Game Systems FAQ
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