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Old 10-29-2005, 02:59 PM   #1
Registered: Aug 2004
Location: London
Distribution: Gentoo
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Which is faster UltraDMA(33) or DMA (normal)

Hi there, i've been growing in concern at how slow both my DVD drives are at reading files. They barely read above 1Mb/s..... i checked on the forum and have enabled DMA as requested. There were a number of options in the DMA manager of YAST (am runnign suse 10) , i chose UltraDMA/33. The speed seems to be the same even after rebooting as advised. Can anyone tell me (without me having to reboot 6 times to check all possible combinations) which theyve found best to work with their DVD-RW (i have a BENQ DVD-RW drive capable of X16 dvd burning) and DVDROM/CDRW (i have an NEC which should read DVDROMS at X8). I'm gonna try DMA (normal) and see if it is any better.

thanks in advance
Old 10-30-2005, 05:11 PM   #2
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Registered: Dec 2004
Location: Lee, NH
Distribution: OpenSUSE, CentOS, RHEL
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if you search for "hdparm" and "dma" you'll find quite a few threads where this very issue is discussed.


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