how fast is a 56x cd-rom

October 24, 2010 at 07:19:10
Specs: Windows XP
hi, was watching mythbusters and wondered if their numbers were actually reasonable saying a 56x cd-rom had rpm's of up to 30,000 ! Anyone care to give a totally ignorant person, in this area, some thoughts ? thanks Bob

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#1
October 24, 2010 at 07:29:55
Sounds right. The speed at which it spins is not the speed at which it reads. It just gets the info under the laser. When it reads it still has to transfer the data though the system. That's where the bottle neck is, I believe.

When they discover the center of the universe, a lot of people will be disappointed to discover they are not it.
- Bernard Bailey


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#2
October 24, 2010 at 07:39:00
In theory, up to 30,000 is a little excessive. A 1X CD-ROM spins 500 times, or revolutions, per minute (RPM) so 56 X 500 translates to 28,000 rpm.

My source of this information

i_Xp/Vista/W7User


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#3
October 24, 2010 at 07:48:15
hey thanks SW for your answer! My problem with all this is they actually used a router (carpentry) to produce 20,000 only rpms ! You know the speed and sound of a router !! how is a cd-rom getting that speed out a little box that fits in a tower slot !! Bob

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#4
October 24, 2010 at 08:15:08

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#5
October 24, 2010 at 11:31:33
Sorry about the misinformation. I should have looked it up like X86 did.

My apologies.

When they discover the center of the universe, a lot of people will be disappointed to discover they are not it.
- Bernard Bailey


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#6
October 24, 2010 at 21:22:09
So now you know why you should never put a cracked or split CD in a 56X drive.

Goin' Fishin' (Some day)


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