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System Overview 1-19
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Table 1-5 lists the default DMA channel assignments.
IRQ11 Available
IRQ12 Used by the PS/2 mouse port unless mouse is disabled in
System Setup program
IRQ13 Used by the math coprocessor
IRQ14 Available
IRQ15 Used by embedded server-management functions
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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
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