Asus T2-PH1 User Guide - Page 35

Standard interrupt assignments IRQ Standard Function 0 System Timer 1 Keyboard Controller 2 Programmable Interrupt 4 Communications Port (COM1) 6 Floppy Disk Controller 7* Printer Port (LPT1) 8 System CMOS/Real Time Clock 9* ACPI Mode when used 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 * These IRQs are usually available for ISA or PCI devices. IRQ assignments for this motherboard PCI slot 1 PCI Express x16 slot Onboard USB controller 1 Onboard USB controller 2 Onboard USB controller 3 Onboard USB controller 4 Onboard LAN Onboard Audio Onboard 1394 A B CD E -- shared -- -- -- shared -- -- -- -- -- -- -- -- -- -- -- -- shared -- -- -- shared -- -- shared -- -- -- -- -- shared -- -- -- -- shared -- -- -- -- -- -- -- -- F shared GH shared When using a PCI card 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 inoperable. ASUS T2-PH1 2-15