Asus P5N64 WS PRO WIFI User Guide - Page 43
Interrupt assignments
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2.5.3 Interrupt assignments IRQ Priority Standard function 0 1 System timer 1 2 Keyboard controller 2 - Re-direct to IRQ#9 3 11 IRQ holder for PCI steering* 4 12 Communications port (COM1)* 5 13 IRQ holder for PCI steering* 6 14 Floppy disk controller 7 15 IRQ holder for PCI steering* 8 3 System CMOS/Real Time Clock 9 4 10 5 11 6 12 7 13 8 14 9 15 10 IRQ holder for PCI steering* IRQ holder for PCI steering* IRQ holder for PCI steering* PS/2 compatible mouse port* Numeric data processor IRQ holder for PCI steering* IRQ holder for PCI steering* * These IRQs are usually available for PCI devices. IRQ assignments for this motherboard A B C D E F G H PCI 1 shared - - - - - - - PCI 2 - shared - - - - - - 1394 - - - shared - - - - LAN 1 - - shared - - - - - LAN 2 - - - shared - - - - Marvell 6121 - - - shared - - - - Marvell 6320 shared - - - - - - - PCIe x16 1 shared - - - - - - - PCIe x16 2 shared - - - - - - PCIe x16 3 - - shared - - - - - PCIe x16 4 - shared - - - - - - PCIe x1 - shared - - - - - - Azalia shared - - - - - - - USB controller 1 - shared - - - - - - USB controller 2 - shared - - - - - - SATA controller 0 shared - - - - - - - SATA controller 1 shared - - - - - - - SATA controller 2 shared - - - - - - - ASUS P5N64 WS Professional 2-17