Asus M2R32-MVP - Motherboard - ATX Specifications download pdf (Page 42)

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Chapter 2: Hardware informationChapter 2: Hardware information

Chapter 2: Hardware information

2.5.32.5.3

2.5.3

Interrupt assignmentsInterrupt assignments

Interrupt assignments

Standard interrupt assignmentsStandard interrupt assignments

Standard interrupt assignments

IRQIRQ

IRQ

PriorityPriority

Priority

Standard FunctionStandard Function

Standard Function

0 1 System Timer

1 2 Keyboard Controller

2 — Re-direct 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.* These IRQs are usually available for ISA or PCI devices.

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

When using PCI cards on shared slots, ensure that the drivers support

“Share IRQ” or that the cards do not need IRQ assignment; otherwise,

conflicts will arise between the two PCI groups, making the system

unstable and the card inoperable.

IRQ assignments for this motherboardIRQ assignments for this motherboard

IRQ assignments for this motherboard

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 ————

USB 1.0 controller 1 — — — shared ————

USB 1.0 controller 2 — — — shared ————

USB 1.0 controller 3 — — — shared ————

USB 1.0 controller 4 — — — shared ————

USB 2.0 controller — — — shared ————

HD audio shared — — — ————

SATA JMB360 shared shared shared shared ————

On-board SATA — — — — — shared — —

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Asus M2R32-MVP - Motherboard - ATX Specifications Page 42

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