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Date:      Fri, 10 Jan 1997 09:50:56 +0100
From:      j@uriah.heep.sax.de (J Wunsch)
To:        freebsd-bugs@freebsd.org
Subject:   Re: bin/2303 & kern/2423 CDs and BCD numbers - its 99 DECIMAL not HEX
Message-ID:  <Mutt.19970110095056.j@uriah.heep.sax.de>
In-Reply-To: <m0viY1P-000us7C@nemesis.lonestar.org>; from Frank Durda IV on Jan 9, 1997 21:52:00 -0500
References:  <m0viY1P-000us7C@nemesis.lonestar.org>

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As Frank Durda IV wrote:

> [0]looks like I'll finally go and see if I can get a fireware upgrade for my
> [0]two chinon drives...
> 
> Except that the Red Book (all praise Philips and Sony) says quite
> clearly:

[...that the track number is in BCD on the disk, yes, we know.]

> Now, there are plenty of makes of CD-ROM drives that return info to
> the host in BCD, and this is because most of the fields on the actual disk
> are in BCD.

Yes, but SCSI requires the drive to return it as an integer value.
Any drive returning BCD is violating the specs.

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)



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