User`s guide

Interrupt Request (IRQ) Lines A-3KEEX-2010 Series User Guide
X Interrupt Request (IRQ) Lines
IRQ # Used For Comment
0 Timer0
1 keyboard controller
2 Cascade
3 COM2 Note (1)
4 COM1 Note (1)
5 COM3 , COM4 Note (1)
6 Floppy disk controller Note (1)
7 free
8 Real Time Clock
9 ACPI-Compliant System
10 free
11 free
12 PS/2 Mouse Note (1)
13 Floating point unit (FPU / NPU
/ Math coprocessor)
14 Primary IDE channel Note (1)
15 Secondary IDE channel Note (1)
Table A-1. IRQ Assignments
Note: If the "Used For" device is disabled in setup, the corresponding interrupt is available for other
devices.
X DMA Channels
DMA # Used for Available Comment
0 Yes
1 No Note (1)
2 FDC No
3 No
4 Cascade No
5 No
6 Yes
7 Yes
Table A-2. DMA Assignments
Note: If the "Used For" device is disabled in setup, the corresponding interrupt is available for other
devices.