Asus P4V8X-MX Motherboard DIY Troubleshooting Guide - Page 22

Standard interrupt assignments IRQ Priority Standard Function 0 1 1 2 2 N/A 3 11 4 12 5 13 6 14 7 15 8 3 9 4 10 5 11 6 12 7 13 8 14 9 15 10 System Timer Keyboard Controller Re-direct to IRQ#9 IRQ holder for PCI steering Communications Port (COM1) IRQ holder for PCI steering Floppy Disk Controller Printer Port (LPT1) System CMOS/Real Time Clock IRQ holder for PCI steering IRQ holder for PCI steering IRQ holder for PCI steering PS/2 Compatible Mouse Port Numeric Data Processor Primary IDE Channel Secondary IDE Channel IRQ assignments for this motherboard A B C D PCI slot 1 - used - - PCI slot 2 - - used - PCI slot 3 - - - used Onboard USB Controller 1 - - - - Onboard USB Controller 2 - - - - Onboard USB Controller 3 - - - - Onboard USB Controller 4 - - - - Onboard AC97 Audio - - - - Onboard LAN - - - - E F G H - - - - - - - - - - - - - shared - - - shared - - - shared - - - shared - - - - used - - - - used When using PCI cards on shared slots, ensure that the drivers support "Share IRQ" or that the cards do not need IRQ assignments; otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. ASUS P4V8X-MX Motherboard 1-13