Asus P4RD1-MX Motherboard DIY Troubleshooting Guide - Page 27
Interrupt assignments - lan drivers
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1.8.3 Interrupt assignments Standard interrupt assignments IRQ Priority 0 1 1 2 2 • 3 12 5 13 6 14 7 15 8 3 9 4 10 5 11 6 12 7 13 8 14 9 15 10 Standard Function System Timer Keyboard Controller Re-direct to IRQ#9 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 * These IRQs are usually available for ISA or PCI devices. IRQ assignments for this motherboard PCI slot 1 PCI slot 2 PCIe x1 slot PCIe x16 slot Onboard USB controller 1 Onboard USB controller 2 Onboard USB controller 3 Onboard USB 2.0 controller Onboard SATA Onboard LAN Onboard HD audio Onboard VGA A B C D E F G H - shared - - - - - - - - shared - - - - - - shared - - - - - - - - shared - - - - - - shared - - - - - - - - shared - - - - - - - - used - - - - - - - - - - - used - - - - - used - - - - - - used - - - - - - - - - used - - shared - - - - - - 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 P4RD1-MX 1-15