Dell PowerEdge 2300 Service Manual - Page 25
Used by the math coprocessor
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IRQ9 IRQ10 IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 Used for power management functions Available Available Used by the PS/2 mouse port unless mouse is disabled in System Setup program Used by the math coprocessor Available Used by embedded server-management functions Table 1-4 lists the default DMA channel assignments. DREQ0 DREQ1 DREQ2 DREQ3 DREQ4 DREQ5 DREQ6 DREQ7 Available Available Generated by super I/O controller to initiate DMA cycle for attached diskette drive Available Generated by bus controller chip to activate second DMA controller Available Available Available System Overview 1-15
System Overview
1-15
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Table 1-4 lists the default DMA channel assignments.
IRQ9
Used for power management functions
IRQ10
Available
IRQ11
Available
IRQ12
Used by the PS/2 mouse port unless mouse is disabled in Sys-
tem Setup program
IRQ13
Used by the math coprocessor
IRQ14
Available
IRQ15
Used by embedded server-management functions
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’5(4²/LQH
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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
7DEOH±²´¶³±±,QWHUUXSW±$VVLJQPHQWV
±²FRQWLQXHG³
,54²/LQH
8VHG·$YDLODEOH