System DMA specifications, AMD
Hardware DMA
System function
DMA4
Direct memory access controller
System interrupt specifications, AMD discrete graphics
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
Broadcom WLAN adapter
IRQ17
Standard Enhanced PCI to USB Host Controller
IRQ18
Standard OpenHCD USB Host Controller
IRQ19
nVidia GeForce8400M GS
IRQ20
nVidia nForce Networking Controller
IRQ21
HDA Controller
IRQ23
Standard Dual Channel PCI IDE Controller
System DMA specifications, AMD
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