
3 - 26
AN19E/AN19C Mainboard Manual
Interrupt requests are shared as shown below:
IMPORTANT!
If using PCI cards on shared slots, make sure that the drivers support
Shared IRQ or that the cards donot need IRQ assignments. Conflicts will
arise between the two PCI groups that will make the system unstable or
cards inoperable.
Assign IRQ For USB
This item allows BIOS to assign whether IRQ is with USB or not. If you
have not connect the USB device. Can release the IRQ for other device.
The default is Enabled.
Options: Enabled, Disabled.
PCI Latency Timer (CLK)
The latency timer defines the minimum amount of time, in PCI clock cycles,
that the bus master can retain the ownership of the bus.
Options: 0-255.
INT Pin1 to Pin4 Assignment
These settings allow the user to specify what IRQ will be assigned to PCI
devices in the chosen slot. The defaults are Auto.
Options: Auto,3,4,5,7,9,10,11,12,14 & 15.
A
T
N
I
B
T
N
I
C
T
N
I
D
T
N
I
1
I
C
P
V
2
I
C
P
V
3
I
C
P
V
4
I
C
P
V
5
I
C
P
V
6
I
C
P
V
t
o
l
S
P
G
A
V
7
9
C
M
/
7
9
C
A
V
1
B
S
U
d
r
a
o
b
n
O
V
2
B
S
U
d
r
a
o
b
n
O
V
3
B
S
U
d
r
a
o
b
n
O
V
0
.
2
B
S
U
V
)
l
a
n
o
i
t
p
O
(
N
A
L
d
r
a
o
b
n
O
V
)
l
a
n
o
i
t
p
O
(
A
T
A
l
a
i
r
e
S
V
)
l
a
n
o
i
t
p
O
(
D
I
A
R
V