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HwB: CDTV Expansion Slot Connector
CDTV Expansion Slot
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 1 3 5 7 9 11 13 15 17 19 21 24 25 27 29
(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 |