Asus P5SD2-X SE Motherboard Installation Guide - Page 32
Interrupt assignments - usb drivers
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1.8.3 Interrupt assignments Standard interrupt assignments IRQ Priority Standard Function 0 1 1 2 2 • 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 (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. IRQ assignments for this motherboard A B C D E PCI slot 1 PCI slot 2 PCI slot 3 PCI Express x1 slot 1 PCI Express x1 slot 2 PCI Express x16 slot Onboard USB controller 1 Onboard USB controller 2 Onboard USB controller 3 Onboard USB 2.0 controller Onboard LAN Onboard audio Onboard RAID share - - share share used - - share share - - share - - - share - - - - share - - - - - - - - used - - - - - - F used - - - - - G used - - - - H used - - - 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 inoperable. 1-20 Chapter 1: Product introduction
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