MSI IMGS45M User Guide - Page 63
Inrettupt Allocation, DMA Channel Allocation, Num Data Processor
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Inrettupt Allocation IRQ IRQ0 IRQ1 IRQ2 IRQ3 IRQ4 IRQ5 IRQ6 IRQ7 IRQ8 IRQ9 IRQ10 IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 Description System Timer Keyboard Controller Cascade Interrupt COM3, COM5 COM1, COM2, COM4 PCI Device PCI Device LPT1 RTC ACPI Controller Interrupt COM3, COM5 COM2, COM4 PS/2 Mouse Num Data Processor Primary IDE Controller Secondary IDE Controller DMA Channel Allocation DMA Channel Channel 0 Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channel 7 Description Unassigned 8-bit channel Unassigned 8-bit channel Unassigned 8-bit channel Unassigned 8-bit channel Cascade channel Unassigned 16-bit channel Unassigned 16-bit channel Unassigned 16-bit channel MS-9871 4-11
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4-11
MS-9871
Inrettupt Allocation
IRQ
Description
IRQ0
System Timer
IRQ1
Keyboard Controller
IRQ2
Cascade Interrupt
IRQ3
COM3, COM5
IRQ4
COM1, COM2, COM4
IRQ5
PCI Device
IRQ6
PCI Device
IRQ7
LPT1
IRQ8
RTC
IRQ9
ACPI Controller Interrupt
IRQ10
COM3, COM5
IRQ11
COM2, COM4
IRQ12
PS/2 Mouse
IRQ13
Num Data Processor
IRQ14
Primary IDE Controller
IRQ15
Secondary IDE Controller
DMA Channel Allocation
DMA Channel
Description
Channel 0
Unassigned 8-bit channel
Channel 1
Unassigned 8-bit channel
Channel 2
Unassigned 8-bit channel
Channel 3
Unassigned 8-bit channel
Channel 4
Cascade channel
Channel 5
Unassigned 16-bit channel
Channel 6
Unassigned 16-bit channel
Channel 7
Unassigned 16-bit channel