CDTV Expansion Slot

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30 PIN ??? CONNECTOR (at the computer)

30 PIN ??? CONNECTOR at the computer.

Pin	Name	Description
1	GND	Ground
2	GND	Ground
3	VCC	+5 VDC
4	VCC	+5 VDC
5	SD1	Data Bus 1
6	SD0	Data Bus 0
7	SD3	Data Bus 3
8	SD2	Data Bus 2
9	SD5	Data Bus 5
10	SD4	Data Bus 4
11	SD7	Data Bus 7
12	SD6	Data Bus 6
13	/SDREQ	DMA Request
14	/INTX	Interrupt Request
15	/CSS	Chip Select
16	/SDACK	DMA Acknowledge
17	/IOR	I/O Read
18	/IOW	I/O Write
19	A8	Address Bus 8
20	7M	7.16 MHz System Clock
21	A6	Address Bus 6
22	A7	Address Bus 7
23	A4	Address Bus 4
24	A5	Address Bus 5
25	A2	Address Bus 2
26	A3	Address Bus 3
27	/IFRST	+5 VDC
28	A1	Address Bus 1
29	GND	Ground
30	GND	Ground

Contributor:

Joakim Ögren

Source:

Darren Ewaniuk's CDTV Technical Information