Asus M2A-MVP 1.8.3Interrupt assignments, Standard interrupt assignments, IRQ assignments for this motherboard

1.8.3Interrupt assignments

Standard interrupt assignments

IRQ Priority Standard function

01 System Timer

12 Keyboard Controller

2– Redirect to IRQ#9

3 11 Reserved

412 Communications Port (COM1)*

513 IRQ holder for PCI steering*

614 Floppy Disk Controller

715 Printer Port (LPT1)*

83 System CMOS/Real Time Clock

94 IRQ holder for PCI steering*

105 IRQ holder for PCI steering*

116 IRQ holder for PCI steering*

127 PS/2 Compatible Mouse Port*

138 Numeric Data Processor

149 Primary IDE/SATA Channel

1510 Secondary IDE/SATA Channel

* These IRQs are usually available for ISA or PCI devices.

IRQ assignments for this motherboard

	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	—	—

ASUS M2A-MVP 1-21