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The following table lists the direct memory access (DMA) channel assign- 7DEOHments'5(4￿￿￿￿for/LQHthe'5(4/LQHDell8VHGPrecision%\￿$YDLODEOHVVLJQPHQWV610 mini tower system.

DREQ0

Available

DREQ1

Available

DREQ2

Generated by super I/O controller to initiate DMA cycle for

 

attached diskette drive

DREQ3

Available

DREQ4

Generated by bus controller chip to activate second DMA

 

controller

DREQ5

Available

DREQ6

Available

DREQ7

Available

NOTE: The integrated audio controller is assigned one or two DMA channels automatically during system start-up.

System Overview

1-17

Page 27
Image 27
Dell 610 manual LUHFW0HPRU\$FFHVV&KDQQHO $VVLJQPHQWV