Asus P5GC User Manual - Page 41
Interrupt assignments
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2.5.3 Interrupt assignments Standard interrupt assignments IRQ Standard Function 0 System Timer 1 Keyboard Controller 2 Re-direct to IRQ#9 3 COM2 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 Microsoft ACPI-Compliant system 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 15 Slave 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 slot 3 - - shared - - - - - PCI slot 4 - - - - shared PCI slot 5 - - - - - shared - - PCI slot 6 - - - - - - shared - PCIe x16 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 SATA controller - - shared Onboard SMBus controller - - shared Onboard HD Audio controller - - - shared Onboard LAN 8111C controller shared - ASUS P5GC 2-19