Interrupt Assignments - Asus Motherboard A7S8X-MX User Manual

1.8.3 1.8.3 1.8.3

Interrupt assignments

Interrupt assignments Interrupt assignments
1.8.3 1.8.3 Interrupt assignments Interrupt assignments
Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments
Standard interrupt assignments Standard interrupt assignments
I R Q I R Q I R Q I R Q I R Q
0
1
2
4*
5*
6
7*
8
9*
10*
12*
13
14*
15*
* These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard IRQ assignments for this motherboard IRQ assignments for this motherboard
IRQ assignments for this motherboard IRQ assignments for this motherboard
AGP slot
PCI slot 1
PCI slot 2
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 - 1 4 1 - 1 4
1 - 1 4 1 - 1 4 1 - 1 4
S t a n d a r d F u n c t i o n S t a n d a r d F u n c t i o n S t a n d a r d F u n c t i o n S t a n d a r d F u n c t i o n S t a n d a r d F u n c t i o n
System Timer
Keyboard Controller
Programmable Interrupt
Communications Port (COM1)
Sound Card (sometimes LPT2)
Floppy Disk Controller
Printer Port (LPT1)
System CMOS/Real Time Clock
ACPI Mode when used
IRQ holder for PCI Steering
PS/2 Compatible Mouse Port
Numeric Data Processor
Primary IDE Channel
Secondary IDE Channel
A A A A A
used
—
—
B B B B B C C C C C
— —
used —
— used
C h a p t e r 1 : P r o d u c t i n t r o d u c t i o n C h a p t e r 1 : P r o d u c t i n t r o d u c t i o n
C h a p t e r 1 : P r o d u c t i n t r o d u c t i o n C h a p t e r 1 : P r o d u c t i n t r o d u c t i o n C h a p t e r 1 : P r o d u c t i n t r o d u c t i o n
D D D D D
—
—
—