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

2.7.4 2.7.4 2.7.4

Standard interrupt assignments

Standard interrupt assignments Standard interrupt assignments
2.7.4 2.7.4 Standard interrupt assignments Standard interrupt assignments
I R Q I R Q I R Q I R Q I R Q
0
1
2
3*
4*
5*
6
7*
8
9*
10*
11*
12*
13
14*
15*
* * * * * 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 .
2.7.5 2.7.5 2.7.5

IRQ assignments for this motherboard

IRQ assignments for this motherboard IRQ assignments for this motherboard
2.7.5 2.7.5 IRQ assignments for this motherboard IRQ assignments for this motherboard
PCI slot 1
PCI slot 2
PCI slot 3
AGP slot
Onboard USB controller 1
Onboard USB controller 2
Onboard USB 2.0 controller
Onboard LAN
Onboard audio
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 - 1 4 2 - 1 4 2 - 1 4 2 - 1 4 2 - 1 4
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
1 System Timer
2 Keyboard Controller
N/A Programmable Interrupt
11 Communications Port (COM2)
12 Communications Port (COM1)
13 IRQ holder for PCI steering
14 Floppy Disk Controller
15 Printer Port (LPT1)
3 System CMOS/Real Time Clock
4 IRQ holder for PCI steering
5 Advance AC'97 CODEC
6 Standard PCI Graphics Adapter (VGA)
7 PS/2 Compatible Mouse Port
8 Numeric Data Processor
9 Primary IDE Channel
10 Secondary IDE Channel
A A A A A
shared
––
––
shared
––
––
––
––
––
B B B B B C C C C C D D D D D
–– –– ––
used –– ––
–– shared ––
–– –– ––
–– –– –– used
–– –– ––
–– –– ––
–– –– used
–– shared ––
C h a p t e r 2 : B a s i c i n s t a l l a t i o n C h a p t e r 2 : B a s i c i n s t a l l a t i o n C h a p t e r 2 : B a s i c i n s t a l l a t i o n C h a p t e r 2 : B a s i c i n s t a l l a t i o n C h a p t e r 2 : B a s i c i n s t a l l a t i o n
E E E E E F F F F F G G G G G H H H H H
–– –– –– ––
–– –– –– ––
–– –– –– ––
–– –– –– ––
–– –– ––
–– used –– ––
–– –– –– used
–– –– –– ––
–– –– –– ––