Connector:Printer port
Classic CPC Pinout
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| Pin No. (CPC) | Description | Pin No. (CPC) | Description |
| 1 | STROBE | 19 | GND |
| 2 | Data 0 | 20 | GND |
| 3 | Data 1 | 22 | GND |
| 4 | Data 2 | 23 | GND |
| 5 | Data 3 | 24 | GND |
| 6 | Data 4 | 25 | GND |
| 7 | Data 5 | 26 | GND |
| 8 | Data 6 | 28 | GND |
| 9 | GND | 33 | GND |
| 11 | BUSY | ||
| 14 | GND | ||
| 16 | GND |
There is no pin 18 to get a centronics-compatible pin numbering. Ie. although the CPC uses a 34pin edge connector, the pins are numbered as on a 36pin centronics connector.
As shown above Pin9 is wired to GND (instead of Data 7), for upgrading, see 8bit Printer Ports.
CPC Plus Pinout
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| Pin No. | CPC+ | PC |
| 1 | /STROBE | /STROBE |
| 2 | Data 0 | Data 0 |
| 3 | Data 1 | Data 1 |
| 4 | Data 2 | Data 2 |
| 5 | Data 3 | Data 3 |
| 6 | Data 4 | Data 4 |
| 7 | Data 5 | Data 5 |
| 8 | Data 6 | Data 6 |
| 9 | Data 7 | Data 7 |
| 10 | NC | /ACK |
| 11 | BUSY | BUSY |
| 12 | NC | PaperEnd |
| 13 | NC | SLCT |
| 14 | NC | /AutoLF |
| 15 | NC | /Error |
| 16 | +5V | /Init |
| 17 | GND | /Select |
| 18-25 | GND | GND |