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
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 .
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 slot 3
Onboard USB 2.0 controller
Onboard LAN1
Onboard PCI SATA RAID (SI)
Onboard 1394a
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
—
Programmable Interrupt
11
IRQ holder for PCI steering
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
IRQ holder for PCI steering
6
IRQ holder for PCI steering
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
—
shared
shared
—
shared
B B B B B
C C C C C
D D D D D
—
—
—
—
—
—
shared
—
—
—
—
—
—
—
—
—
shared
—
—
—
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
E E E E E
F F F F F
G G G G G
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
H H H H H