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Commodore PC-I
Commodore PC-I Connectors
Commodore PC-I Connectors
| Connector | Type | Description | Notes |
|---|
| J1 | 25 pin SUB-D female | Parallel port | Standard PC Parallel port |
| J2 | 25 pin SUB-D male | Serial port | Pins 9 and 10 carry +12V and -12V supply voltages |
| J3 | 23 pin SUB-D female | External Floppy Disk B: | Amiga-compatible |
| J4 | 2x17 pin header | Internal Floppy Disk A: | |
| J5 | 5 pin DIN with shield | Keyboard | |
| J6 | 1x4 pin header | Speaker | |
| J7 | 1x3 pin header | Power LED | |
| J8 | 9 pin SUB-D female | Mouse | Amiga-compatible |
| J9 | 1x7 pin header | Power | |
| J10 | 9 pin SUB-D female | Video RGB/MONO | |
| J11 | 1x3 pin header | Composite Video | |
| J12 | 2x30 cardedge | PC connector | |
Pinout Connector J12
| Pin | Name |
|---|
| B1 | GND |
| B2 | RESETDRV |
| B3 | GND |
| B4 | IRQ2 |
| B5 | GND |
| B6 | DRQ2 |
| B7..B8 | GND |
| B9 | /IOCHK |
| B10 | GND |
| B11 | /BMEMW |
| B12 | /BMEMR |
| B13 | /BIOW |
| B14 | /BIOR |
| B15 | /BDACK3 |
| B16 | DRQ3 |
| B17 | /BDACK1 |
| B18 | DRQ1 |
| B19 | /BDACK0 |
| B20 | BCLK (CPU CLOCK) |
| B21..B25 | IRQ7..IRQ3 |
| B26 | /BDACK2 |
| B27 | TC |
| B28 | BALE |
| B29 | GND |
| B30 | BOSC (14.318MHz) |
| A1..A8 | BD7..BD0 |
| A9 | IOCHRDY |
| A10 | BAEN |
| A11..A30 | BA19..BA0 |
Copyright © 2007 Ronald van Dijk - All rights reserved
Last update: 2 October 2007
Source: Commodore PC 1 Technical Manual 10/87 © Technische Schulung Commodore Deutschland