Asus K8N4-E SE K8N4-E SE User's Manual for English Edition - Page 30
Interrupt assignments, PCI slots - lan driver
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1.8.3 Interrupt assignments Standard interrupt assignments IRQ Priority 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 Standard Function 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 F G H PCI slot 1 shared - - -- - - - PCI slot 2 - used - - - - - - PCI slot 3 - - used - - - - - Onboard USB 2.0 controller shared - - -- - - - Onboard LAN1 shared - - -- - - - 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. 1.8.4 PCI slots The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. The figure shows a LAN card installed on a PCI slot. 1-18 Chapter 1: Product introduction