Interrupt Assignments; Irq Assignments For This Motherboard - Asus SynJ SB67118 User Manual

Interrupt assignments

IRQ Standard Function
0 System timer
1 Standard 101/102-Key or Microsoft Natural Keyboard
2 Programmable interrupt controller
3 Standard OpenHCI USB Host Controller
4 Communications Port (COM1)
5 ACPI IRQ Holder for PCI IRQ Steering
6 (free)
7 (free)
8 System CMOS/real time clock
9 SCI IRQ used by ACPI bus
10 Standard PCI Graphics Adapter (VGA)
11 (free)
12 Microsoft PS/2 Port Mouse
13 Numeric data processor
14 Primary IDE controller (single fifo)
15 Secondary IDE controller (single fifo)

IRQ assignments for this motherboard

PCIE X1 slot
PCIE X16 slot
Onboard USB1.1 controller 1 shared
Onboard USB1.1 controller 2
Onboard USB1.1 controller 3
Onboard USB1.1 controller 4
Onboard USB1.1 controller 5
Onboard USB2.0 controller 1
Onboard USB2.0 controller 2
Onboard ATI RS780 AZALIA
Onboard IDE port
Onboard HD audio
Onboard LAN
Onboard VGA
Onchip SATA
PCI Card1
PCI Card2
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.
1-20
A B C
shared - -
- - shared
- -
- - -
- - shared
- - -
- - shared
- - -
- - -
- - shared
shared - -
shared - -
- - shared
- - shared
- - -
- - -
- - -
D E F
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- shared -
- - shared
Chapter 1: Product introduction
G H
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
shared -
- -
- -