Atari Cartridge ports connector pinout

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