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Update some statements: 

1) Suggest larger read ahead buffer.
2) Note how sdparm may be used to adjust scsi device speed.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28706 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
bircoph 2009-02-23 05:23:12 +00:00
parent 554e7dcae7
commit 4abfea0c2c
1 changed files with 11 additions and 3 deletions
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14
DOCS/xml/en/cd-dvd.xml
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@ -53,7 +53,7 @@ If you set it to too high, the drive will continuously spin up and down, and
will dramatically decrease the performance.
It is recommended that you also tune your CD-ROM drive
with <command>hdparm</command>:
<screen>hdparm -d1 -a8 -u1 <replaceable>[cdrom device]</replaceable></screen>
<screen>hdparm -d1 -a256 -u1 <replaceable>[cdrom device]</replaceable></screen>
</para>
<para>
@ -68,8 +68,16 @@ for fine-tuning your CD-ROM.
</para>
<para>
SCSI drives do not have a uniform way of setting these parameters (Do you know
one? Tell us!) There is a tool that works for
You may tweak the speed of SCSI CD-ROM drives with
<command>sdparm</command>, you need version 1.03 or higher:
<screen>sdparm --command=speed=<replaceable>[speed in kB/s]</replaceable> <replaceable>[cdrom device]</replaceable></screen>
Speed must be specified in kilobytes per second, the drive will
round it as appropriate. Please refer to the sdparm man page for
details.
</para>
<para>
There is also a dedicated tool that works for
<ulink url="http://das.ist.org/~georg/">Plextor SCSI drives</ulink>.
</para>
</sect2>