Dell PowerEdge 2200 Service Manual - Page 26

DMA Channel Assignments, Table 1-4., DREQ Line Assignments

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DMA Channel Assignments Table 1-4. DREQ Line Assignments DREQ Line Used By/Available 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 1-18 Dell PowerEdge 2200 Systems Service Manual

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Dell PowerEdge 2200 Systems Service Manual
DMA Channel Assignments
Table 1-4.
DREQ Line Assignments
DREQ Line
Used By/Available
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