Asus Motherboard P5NT WS, Product Manual

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2-18 Chapter 2: Hardware information
2.5.3 Interrupt assignments
IRQ assignments for this motherboard
A B C D E F G H
PCIEx16_1 – – – – shared – – –
PCIEx16_2 – – – – – shared – –
PCIEx16_3 – – – – shared – – –
PCIEx1_1 – – – – – shared – –
PCIEx1_2 shared – – – – – – –
PCI Slot – shared – – – – – –
USB 1.1 – shared – – – – – –
USB 2.0 – – shared – – – – –
LAN_1 – shared – – – – – –
LAN_2 – shared – – – – – –
PATA shared – – – – – – –
SATA_1 – shared – – – – – –
SATA_2 – – shared – – – – –
SATA_3 – – – used – – – –
SATA_RAID – shared – – – – – –
1394 – shared – – – – – –
Audio – – shared – – – – –
IRQ Standard function
0 System timer
1 Standard 101/102-key or Microsoft Natural Keyboard
4 Communications Port (COM1)*
6 Standard floppy disk controller
8 System CMOS/real-time clock
9 Microsoft ACPI-compliant system
9 NVIDIA nForce networking controller #3
9 NVIDIA nForce networking controller #4
10 NVIDIA nForce PCI system management
11 Mass storage controller
12 PS/2 compatible mouse port
13 Numeric data processor
14 Primary IDE channel
16 NVIDIA GeForce 6600 GT
19 VIA OHCI compliant IEEE 1394 host controller
20 NVIDIA nForce 590/570/550 Serial ATA controller
20 NVIDIA network bus enumerator
21 NVIDIA network bus enumerator
22 Standard OpenHCD USB host controller
22 NVIDIA nForce 590/570/550 Serial ATA controller
23 Standard Enhanced PCI to USB host controller
23 NVIDIA nForce 590/570/550 Serial ATA controller