SOM-5893 User Manual
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D.2
DMA Channel Assignments
D.3
Interrupt Assignments
Table D.2: DMA channel assignments
Channel
Function
3
ECP Printer Port (LPT1)
4
Direct memory access controller
Table D.3: Interrupt assignments
Interrupt#
Interrupt source
IRQ 0
System timer
IRQ 1
Standard PS/2 Keyboard
IRQ 3
Communications Port (COM2)
IRQ 4
Communications Port (COM1)
IRQ 7
SUSI4 Driver
IRQ 8
High precision event timer
IRQ 10
Communications Port (COM4)
IRQ 11
Communications Port (COM3)
IRQ 12
PS/2 Compatible Mouse
IRQ 13
Numeric data processor
IRQ 14
ATA Channel 0
IRQ 15
ATA Channel 1
IRQ 16
SDA Standard Compliant SD Host Controller & High Defini-
tion Audio Controller
IRQ 17
Standard Enhanced PCI to USB Host Controller
IRQ 18
Standard OpenHCD USB Host Controller
IRQ 19
AMD SATA Controller
IRQ 27
High Definition Audio Controller