Dma channel assignments: dell™ optiplex™ gx1p – Dell OptiPlex GX1p User Manual
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DMA Channel Assignments: Dell™ OptiPlex™ GX1p
DREQ Line
Used By/Available
DREQ0
Available
DREQ1
Available
DREQ2
Super I/O controller (to initiate DMA cycle for attached
diskette drive)
DREQ3
Available
DREQ4
Bus controller chip (to activate second DMA controller)
DREQ5
Available
DREQ6
Available
DREQ7
Available
NOTE: The onboard sound controller, NIC, and video controllers are assigned available DMA channels automatically during system start-up.
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