ULEAD VIDEOSTUDIO USER GUIDE
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Appendix D: System tweaks
Enabling DMA for IDE disks
Direct Memory Access (DMA) is a method of transporting data from
the system's main memory without passing through the CPU. Open
the Control Panel's System program, and in the Device Manager,
enable DMA (Direct Memory Access) for all the hard disks (in the
primary and secondary IDE channels) that will be used for
capturing video. DMA avoids possible drop frame problems when
you are capturing video.
In Windows XP:
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