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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
1Available
2 Floppy Controller
3Available
4 Redirect Cascade
5Available
6Available
7Available
Interrupt I/O APIC
Level
Description
8506162.book Page 120 Wednesday, May 10, 2000 10:21 AM