ASUS E2938 User Manual

Page of 154
ASUS Commando
2-21
2.5.3 
Interrupt assignments
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCI slot 1
shared
PCI slot 2
shared
PCI slot 3
shared
PCI slot 4
shared
LAN (8001)
shared
SATA (363)
shared
LAN (8056)
shared
PCIE x16_1
shared
PCIE x16_2
shared
USB controller 1
shared
USB controller 2
shared
USB controller 3
shared
USB controller 4
shared
USB controller 5
shared
USB 2.0 controller 1
shared
USB 2.0 controller 2
shared
SATA controller 1
shared
SATA controller 2
shared
Azalia
shared
IRQ
Priority Standard function
0
1
System timer
1
2
Keyboard controller
2
Re-direct to IRQ#9
3
11
IRQ holder for PCI steering*
4
12
Communications port (COM1)*
5
13
IRQ holder for PCI steering*
6
14
Floppy disk controller
7
15
Printer port (LPT1)*
8
3
System CMOS/Real Time Clock
9
4
IRQ holder for PCI steering*
10
5
IRQ holder for PCI steering*
11
6
IRQ holder for PCI steering*
12
7
PS/2 compatible mouse port*
13
8
Numeric data processor
14
9
Primary IDE channel
15
10
Secondary IDE channel
* These IRQs are usually available for PCI devices.