Re: CD writing - related question

From: Bill Davidsen
Date: Thu Feb 02 2006 - 21:34:54 EST


On Thu, 2 Feb 2006, Pavel Machek wrote:

>
> X-UID: 40919
>
> On Ä?t 02-02-06 14:40:28, Bill Davidsen wrote:
> > Pavel Machek wrote:
> > >On Mon 30-01-06 18:30:29, Bill Davidsen wrote:
> > >
> > >>Please take this as a question to elicit information, not
> > >>an invitation for argument.
> > >>
> > >>In Linux currently:
> > >>SCSI - liiks like SCSI
> > >>USB - looks like SCSI
> > >>Firewaire - looks like SCSI
> > >>SATA - looks like SCSI
> > >>Compact flash and similar - looks like SCSI
> > >
> > >
> > >Your definition of "looks like scsi" is way too broad. CF looks like
> > >PCMCIA and that in turn is ide chip on isa-like bus.
> > >
> > >(unless you plug it to usb reader)
> > >
> > I was unaware of any serious use of PCMCIA reader cards therese days, as
> > you note the CD shows up as an sd device. I have a laptop which might
> > have a card slot, if it takes CD I'll pull one from my camera and try it
> > there instead of the USB reader.
>
> CD? Did you want to say CF?

Yes, thanks.
>
> Anyway it is not really PCMCIA reader. It is just PCMCIA-to-CF
> adapter, plugged into PCMCIA slot. Adapter is pretty much passive.
>
> > The question is still why not make all devices look like SCSI, and use
> > one set of drivers and a bit of glue. Redhat used to use ide-scsi by
> > default if my memory serves, and the overhead wasn't an issue even back
> > on my 1st Linux laptop running Slackware on a Thinkpad 486-25 (the fat
> > one, not the 486-16 -;).
>
> CF card is as much ide as it can get. You can even pug it to IDE cable
> with passive adapter!
>
> Forcing everything to SCSI makes about as much sense as making
> everything look like IDE.

No, we have the way to make everything look like SCSI now, ide-scsi. We
can't make (real) SCSI look like IDE. And if you are using IDE instead of
ATAPI (non-SCSI command set?) you would ahve to stay with an older kernel.

> Pavel

--
bill davidsen <davidsen@xxxxxxx>
CTO TMR Associates, Inc
Doing interesting things with little computers since 1979

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