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Atari Portfolio connectors pinout

• PortFolio Credit Card Memory
• Portfolio system expansion connector
• PortFolio Serial Port
• Portfolio Parallel Port

Atari Portfolio Credit Card memory

32 pin 1 side slot

1	A16
2	A15
3	VBB	battery Ucc
4	A12
5	A7
6	A6
7	A5
8	A4
9	A3
10	A2
11	A1
12	A0
13	D0
14	D1
15	D2
16	GND	ground
17	D3
18	D4
19	D5
20	D6
21	D7
22	CE
23	A10
24	OE
25	A11
26	A9
27	A8
28	A13
29	A14
30	WE
31	Vcc	+5V
32	CDET	presence detection