Standard Interrupt Assignments; Irq Assignments For This Motherboard - Asus V2-P5G965 User Manual

Standard interrupt assignments

IRQ
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
* These IRQs are usually available for ISA or PCI devices.

IRQ assignments for this motherboard

PCI1
PCI2
PCIEX16_1
PCIEX4_1
On-board ESATA, SATA_RAID
On-board PRI_IDE
On-board HD Audio (AD1988)
On-board GbEthernet (RTL8111B)
USB 2.0 EHCI#1
USB 2.0 EHCI#2
USB12 UHCI#1
USB34 UHCI#2
USB56 UHCI#3
USB78 UHCI#4
USB910 UHCI#5
SATA1, SATA2 (ICH8)
SATA3, SATA4 (ICH8)
When using PCI cards on shared slots, ensure that the drivers support
"Share IRQ" or that the cards do not need IRQ assignments. Otherwise,
conflicts will arise between the two PCI groups, making the system
unstable and the card inoperable.
2-14
Priority
1
2
—
12
13
14
15
16
3
4
5
6
7
8
9
10
A
shared
— shared
shared
shared
shared
shared
—
— shared
—
—
—
—
—
shared
shared
—
—
Standard Function
System Timer
Keyboard Controller
Re-direct to IRQ#9
IRQ holder for PCI steering*
Communications Port (COM1)*
IRQ holder for PCI steering*
Floppy Disk Controller
Printer Port (LPT1)*
System CMOS/Real Time Clock
ACPI*
SMBus Controller*
IRQ holder for PCI steering*
PS/2 Compatible Mouse Port*
Numeric Data Processor
IDEIRQ (legacy mode, combined mapped as primary),
SMasterATA1 (Master), SATA3 (Secondary)
IDEIRQ (legacy mode, combined mapped as secondary),
SATA2 (Master), SATA4 (Secondary)
B C D
— — —
— —
— — —
— — —
— — —
— — —
— — —
— —
— — —
— — —
— — —
— — shared
— shared —
— — —
— — —
— shared —
— — shared
Chapter 2: Basic installation
E F G
— — —
— — —
— — —
— — —
— — —
— — —
— — shared
— — —
— — — shared
— — shared
— — — shared
— — —
— — —
— — —
— — —
— — —
— — —
H
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—