Re: HFS-formatted CDROMs (was: Re: Linux 2.4 Status)

[Bernd Kischnick]

As J.S. Connell puts it:
>
> On Thu, 10 Aug 2000, Ricky Beam wrote:
> > Every CDROM drive placed in a PC supports 512 byte sectoring (usually
right
> > out of the factory.)  The rarer find is a 2048 byte sectored drive
common
> > to old Sun hardware -- infact, most Sun's cannot boot from a CDROM
that
> > doesn't power up in 2k mode.  (All of my plextor drives have a jumper
for
> > setting the block size.)

> Uh, normally I wouldn't comment, but I believe you have this exactly
> backwards.  Last I checked you can't boot a Sun from a drive that's
_not_
> set to 512-byte sector mode, and I've never seen a non-SCSI CD-ROM drive
> that had the option.
>
> CD-ROM "normal data" sectors are 2048 bytes, not 512.

I thought so, too.
And both the generic CD-ROM driver drivers/block/cdrom.c and the SCSI
CD-ROM drivers/scsi/sr.c default to 2kB blocks.

Bernd

-- 
- Bernd Kischnick

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