IRQ Channel Nbrs

Original IRQ channel assignment for:
System Timer

0
Original IRQ channel assignment for:
Keyboard

1
Original IRQ channel assignment for:
Cascading with 9

2 - used for mainframes
Original IRQ channel assignment for:
COM 2 or COM 4

3 (serial or infared devices)
COM 1 or COM 3

4 (serial or infared devices)
Original IRQ channel assignment for:
LPT2 or sound card

5
Original IRQ channel assignment for:
Floppy Drive Controller or FDC

6
Original IRQ channel assignment for:
LPT1

7 (Parallel devices ECP or EPP)
Original IRQ channel assignment for:
System CMOS/Real Time Clock

8
Original IRQ channel assignment for:
Cascading with 2

9 - for mainframes
Original IRQ channel assignment for:
The 2 open assignments

10 and 11
Original IRQ channel assignment for:
PS/2 Mouse Connector

12
Original IRQ channel assignment for:
Numeric Data Processor aka Math co processor

13
Original IRQ channel assignment for:
Primary IDE or Hard Drive Controller

14
Original IRQ channel assignment for:
Secondary IDE or Hard Drive Controller

15

Author

shadrinaff

8915

Card Set

IRQ Channel Nbrs

Description

IRQ 16 Original channel assignments

Updated

2010-03-03T03:56:40Z

Show Answers