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Note |
| J13C is a 25-pin version of J13B serial 2. Either connector may be used, but not both. |
| J13A | 25-Pin Parallel Port | |
| Pin 1= Pin 1 on DB25 | Pin 2= Pin 14 on DB25 | |
| Pin 3= Pin 2 on DB25 | Pin 4= Pin 15 on DB25 | |
| Pin 5= Pin 3 on DB25 | Pin 6= Pin 16 on DB25 | |
| Pin 7= Pin 4 on DB25 | Pin 8= Pin 17 on DB25 | |
| Pin 9= Pin 5 on DB25 | Pin 10= Pin 18 on DB25 | |
| Pin 11= Pin 6 on DB25 | Pin 12= Pin 19 on DB25 | |
| Pin 13= Pin 7 on DB25 | Pin NC= Pin 20 on DB25 | |
| Pin 15= Pin 8 on DB25 | Pin 14= Pin 21 on DB25 | |
| Pin 17= Pin 9 on DB25 | Pin 16= Pin 22 on DB25 | |
| Pin 19= Pin 10 on DB25 | Pin 18= Pin 23 on DB25 | |
| Pin 21= Pin 11 on DB25 | Pin 22= Pin 24 on DB25 | |
| Pin 23= Pin 12 on DB25 | Pin 24= Pin 25 on DB25 | |
| Pin 25= Pin 13 on DB25 | Pin 26= Pin NC on DB25 | |
| J13B | 2 9-Pin Serial Ports | |
| Serial 1 (COM1) | Serial 2 (COM2) | |
| Pin 1= Pin 1 on DB9 | Pin 10= Pin 1 on DB9 | |
| Pin 2= Pin 6 on DB9 | Pin 11= Pin 6 on DB9 | |
| Pin 3= Pin 2 on DB9 | Pin 12= Pin 2 on DB9 | |
| Pin 4= Pin 7 on DB9 | Pin 13= Pin 7 on DB9 | |
| Pin 5= Pin 3 on DB9 | Pin 14= Pin 3 on DB9 | |
| Pin 6= Pin 8 on DB9 | Pin 15= Pin 8 on DB9 | |
| Pin 7= Pin 4 on DB9 | Pin 16= Pin 4 on DB9 | |
| Pin 8= Pin 9 on DB9 | Pin 17= Pin 9 on DB9 | |
| Pin 9= Pin 5 on DB9 | Pin 18= Pin 5 on DB9 | |
| Pin 23= Pin - on DB9 | Pin 23= Pin - on DB9 | |
| Pin 24= Pin - on DB9 | Pin 24= Pin - on DB9 | |
| J13C | 25-Pin Serial Port (COM2) | |
| Pin 1= Pin - on DB25 | Pin 13= Pin 7 on DB25 | |
| Pin 3= Pin 2 on DB25 | Pin 14= Pin 20 on DB25 | |
| Pin 5= Pin 3 on DB25 | Pin 15= Pin - on DB25 | |
| Pin 7= Pin 4 on DB25 | Pin 18= Pin 22 on DB25 | |
| Pin 9= Pin 5 on DB25 | Pin 24= Pin 25 on DB25 | |
| Pin 11= Pin 6 on DB25 | ||
| J11 | Keyboard Connector | |
| J18 | Power Supply (PS1/2) | |
| J20 | Power Out | |
| J23A | ||
| J23B | Reset | |
| J23C | Speaker | |
| J23D | Keylock |