Asus P4V800-X Personal Computer User Manual


 
1-14
Chapter 1: Product introduction
1.10 Expansion slots
The motherboard has five 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 and 0.8V 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 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.
1.10.2 IRQ assignments for this motherboard
ABCDEFGH
PCI slot 1 shared
PCI slot 2 shared
PCI slot 3 used
PCI slot 4 shared
PCI slot 5 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