Difference between revisions of "How to set optical drive speed"

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The speed of the optical drive is set separately for CD-ROM and DVD, and is reset at reboot and resume from suspend.
 
The speed of the optical drive is set separately for CD-ROM and DVD, and is reset at reboot and resume from suspend.
  
* CD-ROM: use {{cmdroot|hdparm -E num}} or {{cmdroot|eject -x num}} .
+
* CD-ROM: use
* DVD: use {{cmdroot|speedcontrol -x num}} (sourcecode [http://safari.iki.fi/speedcontrol.c here]).
+
hdparm -E num
 +
or
 +
eject -x num
 +
* DVD: use
 +
speedcontrol -x num
 +
(sourcecode [http://safari.iki.fi/speedcontrol.c here]).
  
For recent ThinkPad models running kernels older than 2.6.15, this may require the [[Problems_with_SATA_and_Linux#No_SMART_support libata pass-through|libata pass-through patch]].
+
For recent ThinkPad models running Linux kernels older than 2.6.15, this may require the [[Problems_with_SATA_and_Linux#No_SMART_support libata pass-through|libata pass-through patch]].

Revision as of 02:02, 15 July 2007

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The speed of the optical drive is set separately for CD-ROM and DVD, and is reset at reboot and resume from suspend.

  • CD-ROM: use
hdparm -E num

or

eject -x num
  • DVD: use
speedcontrol -x num

(sourcecode here).

For recent ThinkPad models running Linux kernels older than 2.6.15, this may require the libata pass-through patch.