Re: Is CD inconsistent for different readers like floppies?

In news: wrote:

> I normally don't use CDs, so I've just got 2 scrap CDreaders
> which I plugin if I need to read a CD, which I've tried now
> that a friend has posted 2 CD from the other side of the planet.

Hi AliBama, be careful with used/scrap CD-Readers.
First they may be dustened (lens would need a cleanup cycle) -
next You may need specific drivers.

> I've noticed that the one reader works well with old RH6.2
> linux but not with later versions.
This looks like a driver problem (eventually firmware).

> Also since I need to boot from the 1 CD I have to use the BIOS.
> And since both my machines show differing 'errors', it suggests
> that a marginal mechanical setting exists.

Please state the failure message(s) in detail.

> Do CDreaders auto adjust, so that the mechanics of different
> readers is equaled out ?

I'm not aware of such a function.
And as the tracks are adjusted per laser I don't see any external need.
I Think You have a driver problem.
Horst