Asus P4V8X-X P4V8X-X User Manual - Page 24

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 A B C D 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 - 1-14 Chapter 1: Product introduction