4
ASUS K8N8X-LA (Dom) Motherboard
4. Expansion slots
The motherboard has three PCI slots and one Accelerated Graphics Port (AGP) slot.
To install and configure an expansion card:
1. Install an expansion card following the instructions that came with the chassis.
2. Turn on the system and change the necessary BIOS settings, if any.
3. Assign an IRQ to the card. Refer to the tables below.
4. Install the drivers and/or software applications for the expansion card
according to the card documentation.
Standard interrupt assignments
IRQ
Priority
Standard Function
0
1
System Timer
1
2
Keyboard Controller
2
N/A
Programmable Interrupt
3*
11
Communications Port (COM2)
4*
12
Communications Port (COM1)
5*
13
Sound Card (sometimes LPT2)
6
14
Floppy Disk Controller
7*
15
Printer Port (LPT1)
8
3
System CMOS/Real Time Clock
9*
4
ACPI Mode when used
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
*
These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
A
B
C
D
PCI slot 1
INTA#
INTB#
INTC#
INTD#
PCI slot 2
INTB#
INTC#
INTD#
INTA#
PCI slot 3
INTC#
INTD#
INTA#
INTB#
AGP slot
INTE#
INTD#
-
-
Onboard 1394 controller
INTD#
-
-
-
*Onboard USB controller 1
-
-
-
-
*Onboard LAN
-
-
-
-
*Onboard audio
-
-
-
-
*The onboard USB, LAN and audio IRQs are assigned by the BIOS.
Summary of Contents for K8N8X-LA
Page 1: ...Motherboard K8N8X LA Dom User Guide ...
Page 4: ...iv ...
