Interrupt Assignments - Asus Motherboard P5MT-M Product Manual

2.5.3 2.5.3

Interrupt assignments

Interrupt assignments
2.5.3 2.5.3 2.5.3 Interrupt assignments 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 P r i o r i t y P r i o r i t y
I R Q I R Q I R Q P r i o r i t y P r i o r i t y P r i o r i t y
0 1
1 2
2 —
3 11
4 12
5 13
6 14
7 15
8 3
9 4
10 5
11 6
12 7
13 8
14 9
15 10
* T h e s e I R Q s a r e u s u a l l y a v a i l a b l e f o r I S A o r P C I d e v i c e s . * T h e s e I R Q s a r e u s u a l l y a v a i l a b l e f o r I S A o r P C I d e v i c e s . * T h e s e I R Q s a r e u s u a l l y a v a i l a b l e f o r I S A o r P C I d e v i c e s .
* T h e s e I R Q s a r e u s u a l l y a v a i l a b l e f o r I S A o r P C I d e v i c e s . * T h e s e I R Q s a r e u s u a l l y a v a i l a b l e f o r I S A o r P C I d e v i c e s .
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
PCI slot 1
PCI slot 2
PCI E x8 slot
PCI E x8 slot
Onboard USB controller 1
Onboard USB controller 2
Onboard USB controller 3
Onboard USB controller 4
Onboard USB 2.0 controller
Onboard IDE port
Onboard SATA port
Onboard PCI E x1 LAN1
Onboard PCI E x1 LAN2
Onboard VGA
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.
A S U S P 5 M T - M A S U S P 5 M T - M A S U S P 5 M T - M
A S U S P 5 M T - M A S U S P 5 M T - M
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
Re-direct to IRQ #9
Communications Port (COM2)*
Communications Port (COM1)*
IRQ holder for PCI steering*
Floppy Disk Controller
Printer Port (LPT1)*
System CMOS/Real Time Clock
IRQ holder for PCI steering*
IRQ holder for PCI steering*
IRQ holder for PCI steering*
PS/2 Compatible Mouse Port*
Numeric Data Processor
Primary IDE Channel
Secondary IDE Channel
A A A A A B B B B B C C C C C
— — —
— — —
shared — —
shared — —
shared — —
— shared —
— — used
— — —
shared — —
shared — —
— shared —
shared — —
— shared —
— — —
D D D D D E E E E E F F F F F
— shared —
— — —
— — —
— — —
— — —
— — —
— — —
shared — —
— — —
— — —
— — —
— — —
— — —
— shared —
G G G G G H H H H H
— —
shared —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
— —
2 - 1 7 2 - 1 7 2 - 1 7
2 - 1 7 2 - 1 7