Dma usage – Gateway 7400 User Manual
Page 147

System Specifications
139
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.
IRQ5
INT5
Parallel port II
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
8508366.book Page 139 Tuesday, October 23, 2001 11:29 AM