System interrupt specifications, AMD
Hardware IRQ System function
IRQ0 High precision event timer
IRQ1 Standard 101-/102-Key or Microsoft® Natural PS/2 Keyboard
IRQ5 RICOH OHCI Compliant IEEE 1394 Host Controller
IRQ7 Ricoh Memory Stick Controller
Ricoh SD/MMC Host Controller
Ricoh XD-Picture Card Controller
SDA Standard Compliant SD Host Controller
IRQ8 High precision event timer
IRQ10 nVidia nForce PCI System Management
IRQ11 nVidia nForce System Management Controller
IRQ12 Synaptics PS/2 Port TouchPad
IRQ13 Numeric data processor
IRQ14 ATA Channel 0
IRQ15 ATA Channel 1
IRQ16 nVidia MCP67M
IRQ18 Standard OpenHCD USB Host Controller
Standard OpenHCD USB Host Controller
IRQ19 Broadcom WLAN adapter
IRQ21 HDA Controller
IRQ22 Standard Enhanced PCI to USB Host Controller
Standard Enhanced PCI to USB Host Controller
IRQ23 Standard Dual Channel PCI IDE Controller
92 Chapter 6 Specifications