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List:       linux-smp
Subject:    RE: IDE/ATAPI
From:       Matt Aylward <matt () cyllene ! uwa ! edu ! au>
Date:       2000-04-19 3:05:40
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On 18-Apr-2000 Joe wrote:
> I am curious why Linux uses a generic IDE/ATAPI for almost all
> cdroms (IDE/ATAPI) and Windows requires new drivers or seperate
> drivers for each drive?
I am a long time linux user and general programmer, not a driver or kernel
programmer.
As far as I can work out, Linux uses a stanard generic ATAPI/IDE driver for all
IDE/ATAPI cdroms. I have swapped ATYAPI cdroms several times with no need to
change or upgrade drivers.
> 
> If a cdrom is IDE/ATAPI is this a standard and if so why do some
> IDE/ATAPI drives work better than others?

I don't know the answer to that one.

> 
> Also is it normal for a 32x or 52x cdrom to make noise when it
> spins up? I had a 32x and it seems to be dead now, and now I
> have a 52x and both sound like little turbines every time they
> spin up.  Is this normal?

This usually depends very much on the cdrom disc itself, at 52x any tiny
imbalance causes lots of noise. I have an ATAPI 40x and a SCSI yamaha 8x4x24
CDRW and they both make a terrible noise with particular dics.

-- 
----------------------------------
E-Mail: Matt Aylward <matt@cyllene.uwa.edu.au>
Date: 19-Apr-2000
Time: 10:59:30

           Matt Aylward    <maylward@cyllene.uwa.edu.au>
Depts of Botany and Geography, The University of Western Australia.
 =====_______Linux: OS for the people by the people_______======
=====_______  OS with the power for  Real Science   _______======

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