整理於CBT CompTIA A+
IRQ Assignment
- 0 System timer
- 1 Keyboard controller
- 2 Second IRQ controller to bridge to IRQ 9
- 3 Serial Port 2 (COM2)
- 4 Serial Port 1 (COM1)
- 5 Hard disk controller
- 6 Floopy disk controller
- 7 Parallel port (LPT1)
- 8 Real-time clock
- 9-11 Available
- 12 Mouse Port or available
- 13 Math coprocessor
- 14 Primary IDE
- 15 Secondary IDE
DMA Channels
- 0 Some sound cards
- 1 Sound Blaster cards and emulators
- 2 Floopy drive
- 3 LPT port in ECP(DMA1 may be alternate)
- 4 System reserved
- 5 sound card
- 6 User hardware
- 7 User hardware
