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Old 12-30-2003, 06:05 AM   #1
Registered: Oct 2003
Distribution: redhat
Posts: 63

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controlling cd drive speed using hdparm

how can i control the cd drive speed using hparm. can i make it spin slower by any means.

i tried the -E option but it is reading in the same speed always
Old 01-03-2004, 09:25 AM   #2
Senior Member
Registered: Nov 2002
Location: pikes peak
Distribution: Slackware, LFS
Posts: 2,577

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quote from man hdparm
-E Set cdrom speed. This is NOT necessary for regular operation,
as the drive will automagically switch speeds on its own. But if you want to play with it, just supply a speed number after the option, usually a
number like 2 or 4.
adjusting cdrom speed is really NOT a good idea, it may not read data/ or play music CD's properly!!
any other opinions out there??
Old 02-10-2004, 07:52 AM   #3
Registered: Feb 2003
Location: huntsville, al
Distribution: debian, opensolaris
Posts: 99

Rep: Reputation: 15
I tried to install Slack 8.1 on an old Gateway box with an NEC 8x CD-ROM and the installer hung due to a hard drive error. When I rebooted the computer the CD-ROM drive ran much slower, and the only way I could get it to return to full speed was to unhook the drive from the computer and let it sit overnight to reset itself. If I try again and I get the same error, I'll attempt to use hdparm.


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