Can anyone tell me how to check to make sure the Ultra DMA is turned on in Win XP?
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go to Device Manager (under Hardware in the System applet), click the "+" next to "IDE ATA/ATAPI controllers" then double click "Primary IDE Channel" and "Secondary IDE Channel" seperatly. Click the Advanced Settings tab and select "DMA if available" for both devices. Only Device 0 is set to use DMA by default. Do this for both channels to ensure all your IDE devices get to utilize udma.
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