Atari 5200,7800 Expansion connector

#Computer#Misc motherboard connectors

UNKNOWN connector  at the Atari motherboard

PinName
1+5 VDC
2Audio Out (2 port)
3Ground
4R/W Early
5Enable E0-EF
6D6
7D4
8D2
9D0
10IRQ
11Ground
12Serial Data In
13Serial In Clock
14Serial Out Clock
15Serial Data Out
16Audio In
17A14
18System Clock 01
19A11
20A7
21A6
22A5
23A4
24A3
25A2
26A1
27A0
28Ground
29D1
30D3
31D5
32D7
33Not connected
34Ground
35Not connected
36+5 VDC

AT LED/Keylock connector

Atari Cartridge Ports connectors