Asus P5B-Plus VISTA Edition P5B-Plus series user's manual - Page 46
Interrupt assignments
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2.5.3 Interrupt assignments Standard interrupt assignments IRQ Priority 0 1 1 2 2 - 3 12 4 13 5 14 6 15 7 16 8 3 9 4 10 5 11 6 12 7 13 8 14 9 15 10 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 ACPI* SMBus Controller* IRQ holder for PCI steering* PS/2 Compatible Mouse Port* Numeric Data Processor IDEIRQ Compatible mode, Mapped as Primary Channel/Master-SATA1/Slave-SATA3 IDEIRQ Compatible mode, Mapped as Secondary Channel/Master-SATA2/Slave-SATA4 * These IRQs are usually available for PCI devices. IRQ assignments for this motherboard PCI slot 1 PCI slot 2 PCI slot 3 PCIEX16_1 PCIEX1_1 PCIEX1_2 PCIEX1_3 GbEthernet ESATA, SATA_RAID PRI_IDE (JMicron363) IEEE 1394a (VIA 6307) HD Audio (ADI1988A) USB 2.0 EHCI#1 USB 2.0 EHCI#2 USB12 OBCI#1 USB34 OBCI#2 USB56 OBCI#3 USB78 OBCI#4 USB910 OBCI#5 SATA1,2, 3, 4, 5, 6 (ICH8) A B C D E F G H - - - - used - - - shared - - shared - shared shared - shared - - shared - - - shared shared shared - - - - - shared - - shared - shared - - shared - - shared - - - - - - shared - - - shared shared - shared - - - shared 2-20 Chapter 2: Hardware information