Asus P5M2 User Manual - Page 41
Interrupt assignments
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2.5.3 Interrupt assignments Standard interrupt assignments IRQ Priority Standard Function 0 1 1 2 2 - 3* 11 4* 12 5* 13 6 14 7* 15 8 3 9* 4 10* 5 11* 6 12* 7 13 8 14 9 15 10 System Timer Keyboard Controller Re-direct to IRQ#9 Communications Port (COM2) 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. PCI Bus Number, IDSEL, and IRQ assignments Description INTA PATA Controller PIRQA# SATA Controller PIRQD# SMBus Controller PIRQB# USB1 UHCI Controller #1 PIRQH# USB1 UHCI Controller #2 PIRQD# USB 2.0 EHCI Controller PIRQH# BMC5721 #1 PIRQA# BMC5721 #2 PIRQB# ATI ES1000 PIRQD# LSI SAS 1068 PXIRQ2 PCI Express Slot 1 (x16) PIRQA# PCIX Slot 2 (64-bit) PXIRQ0 PCIX Slot 3 (64-bit) PXIRQ4 PCI Slot 4 (32-bit) PIRQE# INTB PXIRQ1 PXIRQ5 PIRQF# INTC PXIRQ2 PXIRQ6 PIRQG# INTD REQ# GNT# - - - - - - - - - - - - - - - - - REQ1# - PXREQ2 - - PXIRQ3 PXREQ0 PXIRQ7 PXREQ1 PIRQH# REQ0# - - - - - - GNT1# PXGNT2 - PXGNT0 PXGNT1 GNT0# ASUS P5M2 Series 2-19