IRQ
| IRQ | DEVICE | I/O PORT | BUS SLOT | CARD TYPE |
| 00 | System Timer | None | NO | NONE |
| 01 | Keyboard | None | NO | NONE |
| 02 | Cascade Controller 2nd PIC |
None | NO | NONE |
| 03 | COM 2 / 4 |
COM 2: 02F8h (02F8 / 2F8) COM 4: 02E8h (02E8 / 2E8) |
YES | 8 / 16-BIT |
| 04 | COM 1 / 3 |
COM 1: 03F8h (03F8 / 3F8) COM 3: 03E8h (03E8 / 3E8) |
YES | 8 / 16-BIT |
| 05 | Sound Parallel Port 2 |
PARALLEL PORT 2: 0278h - 0378h |
YES | 8 / 16-BIT |
| 06 | Floppy | 03F0 - 03F5 | YES | 8 / 16-BIT |
| 07 | Parallel Port 1 | 0278h - 0378h | YES | 8 / 16-BIT |
| 08 | Real-time Clock | None | NO | NONE |
| 09 |
Redirected IRQ 2 Open Network Available |
None | YES | 8 / 16-BIT |
| 10 | Open | None | YES | 8 / 16-BIT |
| 11 | Open SCSI Video |
VIDEO: 3B0-3DF |
YES | 8 / 16-BIT |
| 12 | Open PS2 |
None | YES | 8 / 16-BIT |
| 13 | Coprocessor | None | NO | NONE |
| 14 | Open Primary hard drive (master) Hard Drive Controller |
1ST IDE: 1F0 | YES | 8 / 16-BIT |
| 15 | Open 2nd hard drive (slave) |
2ND IDE: 170 | YES | 8 / 16-BIT |