PC (IBM) Parallel Printer Port |
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| PIN | DESCRIPTION | |
| 1 | Strobe | |
| 2 | Data Bit 0 | |
| 3 | Data Bit 1 | |
| 4 | Data Bit 2 | |
| 5 | Data Bit 3 | |
| 6 | Data Bit 4 | |
| 7 | Data Bit 5 | |
| 8 | Data Bit 6 | |
| 9 | Data Bit 7 | |
| 10 | Acknowledge | |
| 11 | Busy | |
| 12 | Paper End / Empty | |
| 13 | Select | |
| 14 | Auto Feed | |
| 15 | Error / Oscillator | |
| 16 | Initialize Printer | |
| 17 | Select Input | |
| 18 | Ground | |
| 19 | Ground | |
| 20 | Ground | |
| 21 | Ground | |
| 22 | Ground | |
| 23 | Ground | |
| 24 | Ground | |
| 25 | Ground | |
