Standard interrupt assignments, Irq assignments for this motherboard – Asus Vintage-PH1 User Manual
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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
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
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
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
—
—
—
—
—
used
—
—
PCI slot 2
—
—
—
—
—
—
used
—
PCI Express x16 slot
shared
—
—
—
—
—
—
—
PCI Express x1 slot1
—
shared
—
—
—
—
—
—
Onboard USB controller 1
—
—
—
—
—
—
—
shared
Onboard USB controller 2
—
—
—
shared
—
—
—
—
Onboard USB controller 3
—
—
shared
—
—
—
—
—
Onboard USB controller 4
shared
—
—
—
—
—
—
—
Onboard USB 2.0 controller
—
—
—
—
—
—
—
shared
Onboard Azalia Audio
shared
—
—
—
—
—
—
—
Onboard IDE Controller
—
—
shared
—
—
—
—
—
Onboard SATA Controller
—
—
—
shared
—
—
—
—
Onboard LAN
—
—
—
—
shared
—
—
—