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Old 03-29-2003, 10:19 AM   #1
banana2
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Registered: Dec 2002
Location: Sydney
Distribution: Debian
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Dma siple questions ?


can i change some how ...Dma seetings in Linux....???to work faster or slower....?
 
Old 03-29-2003, 10:26 AM   #2
MasterC
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Registered: Mar 2002
Location: Salt Lake City, UT - USA
Distribution: Gentoo ; LFS ; Kubuntu
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See man hdparm:
hdparm -d1

Cool
 
Old 03-29-2003, 12:17 PM   #3
salparadise
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Registered: Nov 2002
Location: Birmingham UK
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hdparm -tT /dev/hda

gives reading of read speeds for hard drive

hdparm -d /dev/hda reads out wether DMA is enabled ot not

hdparm -d1 /dev/hda enables DMA

hdparm -c dev/hda reads out wether 16bit or 32 bit support is enabled

hdparm -c1 /dev/hda enables 32bit support

more or less same principle can be aplied to /dev/hdc or hdd

add those lines to end of /etc/rc.local to make it auto enable on boot

also you may need to add
options
hd-cd dma=1
to end of /etc/modules.conf
 
  


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