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
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