Asus P3-PE5 User Guide - Page 28
Standard, interrupt assignments, IRQ assignments for this, motherboard
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Standard interrupt assignments IRQ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Standard Function 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 * These IRQs are usually available for ISA or PCI devices. IRQ assignments for this motherboard A B C D E F G H PCI slot 1 shared - - - - - - - PCI slot 2 - shared - - - - - - PCI Express x 16 slot shared - - - - - - - PCI Express x 1 slot - shared - - - - - - Onboard USB controller 1 - - - - - - - shared Onboard USB controller 2 - - - shared - - - - Onboard USB controller 3 - - shared - - - - - Onboard USB controller 4 - - - shared - - - - Onboard USB 2.0 controller - - - - - - - shared Onboard IDE port - - - shared - - - - Onboard HD audio shared - - - - - - - Onboard LAN - 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