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.
- CD-ROM: use
hdparm -E num
or
eject -x num
- DVD: use
speedcontrol -x num
The speedcontrol utility has source code available.
For recent ThinkPad models running Linux kernels older than 2.6.15, this may require the libata pass-through patch.
