Dma usage – Gateway 7250R User Manual
Page 127
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120
System Specifications
DMA usage
The following table lists the direct memory access (DMA) channels that the
system typically uses and which ones are available for use by add-in devices.
IRQ6
INT6
Diskette port
IRQ7
INT7
Parallel port
IRQ8_L
INT8
RTC interrupt
IRQ9
INT9
Signal control interrupt (SCI) used by ACPI-compliant operating
system
IRQ10
INT10
IRQ11
INT11
IRQ12
INT12
Mouse interrupt
IRQ13
INT13
Co-processor interrupt
IRQ14
INT14
Compatibility IDE interrupt from primary channel IDE devices 0 and 1
IRQ15
INT15
SMI_L
System management interrupt - general purpose indicator sourced
through the PID to the processors
DMA
Resource
0
Cascade
1
Available
2
Floppy Controller
3
Available
4
Redirect Cascade
5
Available
6
Available
7
Available
Interrupt
I/O APIC
Level
Description
8506162.book Page 120 Wednesday, May 10, 2000 10:21 AM
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