Asus M2A-MVP M2A-MVP English Edition User's Manual - Page 33

Interrupt assignments

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1.8.3 Interrupt assignments Standard interrupt assignments IRQ Priority Standard function 0 1 System Timer 1 2 Keyboard Controller 2 - Redirect to IRQ#9 3 11 Reserved 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/SATA Channel 15 10 Secondary IDE/SATA Channel * These IRQs are usually available for ISA or PCI devices. IRQ assignments for this motherboard PCI Slot 1 PCI Slot 2 IEEE 1394a LAN (88E8001) PCI-E x1_1 A - - - - shared B - - - - shared C - - - - shared D - - - - shared E shared shared - - - F shared shared - shared - G shared shared shared - - H shared shared - - - PCI-E x1_2 shared shared shared shared - - - - PCI-E x16_1 shared shared shared shared - - - - PCI-E x16_2 shared shared shared shared - - - - USB1.0 controller1 - - - shared - - - - USB1.0 controller2 - - - shared - - - - USB1.0 controller3 - - - shared - - - - USB1.0 controller4 - - - shared - - - - USB2.0 controller - - - shared - - - - HD audio shared - - - - - - - Onboard SATA - - - - - shared - - ASUS M2A-MVP 1-21

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ASUS M2A-MVP
1-21
1.8.3
Interrupt assignments
Standard interrupt assignments
* These IRQs are usually available for ISA or PCI devices.
IRQ
Priority
Standard function
0
1
System Timer
1
2
Keyboard Controller
2
Redirect to IRQ#9
3
11
Reserved
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/SATA Channel
15
10
Secondary IDE/SATA Channel
A
B
C
D
E
F
G
H
PCI Slot 1
shared
shared
shared
shared
PCI Slot 2
shared
shared
shared
shared
IEEE 1394a
shared
LAN (88E8001)
shared
PCI-E x1_1
shared
shared
shared
shared
PCI-E x1_2
shared
shared
shared
shared
PCI-E x16_1
shared
shared
shared
shared
PCI-E x16_2
shared
shared
shared
shared
USB1.0 controller1
shared
USB1.0 controller2
shared
USB1.0 controller3
shared
USB1.0 controller4
shared
USB2.0 controller
shared
HD audio
shared
Onboard SATA
shared
IRQ assignments for this motherboard