2 standard interrupt assignments – Asus A7N8X-VM/400 User Manual
Page 19
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ASUS A7N8X-VM 400 Motherboard
1-9
1.9.2 Standard Interrupt Assignments
IRQ
Standard Function
0
System Timer
1
Keyboard Controller
2
Programmable Interrupt Controller
3*
USB Universal Host Controller
4*
Communications Port (COM1)
5*
Onboard Audio
6
Standard Floppy Disk Controller
7*
Printer Port (LPT1)
8
System CMOS/Real Time Clock
9*
Onboard LAN
10*
USB Universal Host Controller
11*
Onboard VGA
12*
PS/2 Compatible Mouse Port
13
Numeric Data Processor
14*
Ultra ATA Controller
15*
Secondary Ultra ATA Controller
*These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
A
B
C
D
E
F
G
PCI slot 1
used –
–
–
–
–
–
PCI slot 2
–
–
–
used
–
–
–
PCI slot 3
–
–
used
–
–
–
–
AGP slot
–
used
–
–
–
–
–
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