Asus A7V333 A7V333 User Manual - Page 29

IMPORTANT! 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 inoperative. Standard Interrupt Assignments IRQ Priority Standard Function 0 1 System Timer 1 2 Keyboard Controller 2 N/A Programmable Interrupt 3* 11 Communications Port (COM2) 4* 12 Communications Port (COM1) 5* 13 Sound Card (sometimes LPT2) 6 14 Floppy Disk Controller 7* 15 Printer Port (LPT1) 8 3 System CMOS/Real Time Clock 9* 4 ACPI Mode when used 10* 5 IRQ Holder for PCI Steering 11* 6 IRQ Holder for PCI Steering 12* 7 PS/2 Compatible Mouse Port 13 8 Numeric Data Processor 14* 9 Primary IDE Channel 15* 10 Secondary IDE Channel *These IRQs are usually available for ISA or PCI devices. Interrupt Request Table for this Motherboard This table lists the default IRQ assignments: they are applicable only for OS Win98, WinME; for WinXP, system runs in APIC mode by default. PCI slot 1 PCI slot 2 PCI slot 3 PCI slot 4 PCI slot 5 Onboard USB controller HC0 Onboard USB controller HC1 AGP Onboard Audio USB 2.0 Promise TI 1394 A - shared - - - - - shared - - - - B - - shared - - - - - shared - - shared C - - - shared D shared - - - shared shared shared - - shared shared - ASUS A7V333 motherboard user guide 17