| J1 | 120-Pin Expansion Bus |
| J4 | Mouse |
| J5 | Keyboard (PS/2 Style) |
| J7 | Floppy Disk Drive |
| J8 | COM2 |
| J9 | COM1 |
| J10 | Parallel Port LPT1 |
| J12 | VGA Video Connector |
| J14 | IDE connector |
| J15 | Keylock/IDE light/Reset |
| J16 | SIMM bank zero |
| J17 | SIMM bank zero |
| J18 | SIMM bank one |
| J19 | SIMM bank one |