1-20 Dell Precision 410 Systems Service Manua l

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T he foll owing table lists the direct memory access (DMA) channel assign-
ments for Dell Precision 410 systems.
DREQ0 Available
DREQ1 Available
DREQ2 Generated by super I/O controller to initiate DMA cycle for
attached disk ette dri ve
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 t wo DMA channels automatically
during system start-up.