Asus P3-PH4C User Manual - Page 28
Standard, interrupt assignments, IRQ assignments for this, motherboard - lan driver
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Standard interrupt assignments IRQ Standard Function 0 System Timer 1 Keyboard Controller 2 Re-direct to IRQ#9 4 Communications Port (COM1)* 5 IRQ holder for PCI steering* 6 Floppy Disk Controller 7 Printer Port (LPT1)* 8 System CMOS/Real Time Clock 9 IRQ holder for PCI steering* 10 IRQ holder for PCI steering* 11 IRQ holder for PCI steering* 12 PS/2 Compatible Mouse Port* 13 Numeric Data Processor 14 Primary IDE Channel * These IRQs are usually available for ISA or PCI devices. IRQ assignments for this motherboard PCI slot 1 PCI slot 2 PCI Express x16 slot PCI Express x1 slot Onboard USB controller 1 Onboard USB controller 2 Onboard USB controller 3 Onboard USB controller 4 Onboard USB 2.0 controller Onboard IDE port Onboard HD audio Onboard LAN Onboard 1394 A B - - - - shared - shared - - - - shared - - - - - - - - - - - shared - - C D E F G H - - - shared - - - - - - non-shared - - - - - - - - - - - - - - - shared - - - - - - - - - shared - - - - - - shared - - - - - - shared - - - shared - - - - - - shared - - - - - - - - - - - - - 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. 2-12 Chapter 2: Basic installation