10 expansion slots, 1 standard interrupt assignments, 2 irq assignments for this motherboard – Asus P4G800-V User Manual
Page 25
ASUS P4G800-V motherboard user guide
1-15
1.10
Expansion slots
The motherboard has six 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.
NOTE: The AGP slot supports only 1.5V AGP cards.
2. Turn on the system and change the necessary BIOS settings, if any. See
Chapter 2 for BIOS information.
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.
1.10.1 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
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
Advance AC’97 CODEC
11*
6
Standard PCI Graphics Adapter (VGA)
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.
1.10.2 IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCI slot 1
—
—
—
—
—
shared
—
—
PCI slot 2
—
—
—
—
—
—
shared
—
PCI slot 3
—
—
—
—
—
—
—
shared
PCI slot 4
shared
—
—
—
—
—
—
—
PCI slot 5
—
—
shared
—
—
—
—
—
PCI slot 6
—
—
—
—
—
shared
—
—
AGP slot
shared
—
—
—
—
—
—
—
Onboard USB controller HC0 shared
—
—
—
—
—
—
—
Onboard USB controller HC1
—
—
—
shared
—
—
—
—
Onboard USB controller HC2
—
—
shared
—
—
—
—
—
Onboard USB controller HC3 shared
—
—
—
—
—
—
—
Onboard USB 2.0 controller
—
—
—
—
—
—
—
shared
Onboard LAN
—
—
—
shared
—
—
—
—
Onboard audio
—
—
shared
—
—
—
—
—