If you are having trouble enabling DMA on a laptop under Win XP read this

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bcrabtree
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Joined: Mar 7 1999

I've just updated the FAQ below, and one of the updates addresses the problem of enabling DMA on some laptop PCs under Windows XP.
http://www.dvdoctor.net/cgi-bin/ubb/Forum3/HTML/000024.html

The comment I put in the FAQ was this:
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I know for a FACT that some laptop PCs with SIS motherboard chipsets (including models from AJP's range) are not able to have DMA switched on under XP unless a small Win 2K register-fix utility has been run.

This utility (called something like SIS.exe) should be available from the company that supplied the PC.
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However, I'll add to it over the next few days, to give the specific file name and to include info about how to run the program - because it needs to run in compatibility mode.

Bob C