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1-18 Dell PowerEdge 2100/180 and 2100/200 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 con-
troller
DREQ5 Available
DREQ6 Available
DREQ7 Available