Asus Motherboard P5CR-VM - Manual (Page 36)

2 - 1 6 2 - 1 6 2 - 1 6 2 - 1 6 2 - 1 6 C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n C h a p t e r 2 : H a r d w a r e i n f o r m a t i o n
2.5.3 2.5.3 2.5.3 2.5.3 2.5.3 Interrupt assignments Interrupt assignments 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 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 P r i o r i t y P r i o r i t y 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
0 1 System Timer
1 2 Keyboard Controller
2 — Re-direct to IRQ #9
3 11 Communications Port (COM2)*
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 Channel
15 10 Secondary IDE Channel
* 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
A A A A A B B B B B C C C C C D D D D D E EE EE F FF FF G G G G G H H H H H
PCI slot 1 — — — — shared — — —
PCI slot 2 — — — — — — shared —
PCI E x8 slot shared — — — — — — —
PCI E x1 slot shared — — — — — — —
Onboard USB controller 1 shared — — — — — — —
Onboard USB controller 2 — shared — — — — — —
Onboard USB controller 3 — — used — — — — —
Onboard USB controller 4 — — — shared — — — —
Onboard USB 2.0 controller shared — — — — — — —
Onboard IDE port shared — — — — — — —
Onboard SATA port — shared — — — — — —
Onboard PCI E x1 LAN1 — shared — — — — — —
Onboard PCI E x1 LAN2 — — shared — — — — —
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.