Asus NCCH-DR NCCH-DR User Manual English Version - Page 40

2.5.3 Interrupt assignments Standard interrupt assignments IRQ Priority 0 1 1 2 2 - 3 11 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 (COM2)* 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 AB PCI-X1 slot -- PCI-X2 slot -- PCI slot1 -- PCI slot2 -- PCI slot3 -- Onboard USB controller 1 shared - Onboard USB controller 2 - - Onboard USB 2.0 controller - - Onboard SATA controller - - Onboard LAN2 shared - PX PX PX PX C D E F G H I R Q 1 IRQ2 IRQ3 IRQ4 - - - - - - shared shared shared shared shared shared shared shared - - shared shared shared shared shared shared shared shared shared shared shared shared shared shared shared 2.5.4 PCI/PCI-X slots The PCI/PCI-X slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI 2.3 and PCI-X 1.0 specifications. The figure shows a LAN card installed on a PCI slot. 2-20 The P C I - X 1 s l o t on SATA models is colored g r e e n . When installing a Zero-Channel RAID card, it is recommended that you install it on the PCI-X1 slot for optimum compatibility and performance. Chapter 2: Hardware information