Asus M2A-MVP Computer Hardware User Manual


 
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