Wanted CD-ROM Info
M. Smith
mlsmith at nadc.arpa
Fri Jan 12 03:54:49 AEST 1990
Page -1-
>We have some questions regarding CD-ROMs:
>
>1- Who makes CD-ROM mastering software ? Is there any under UNIX ?
>
Meridian Data Systems and Reference Technology sell turnkey sys-
tems (MS-DOS based) which will produce nine track tapes. CD-ROM
is system independent so if you can get your tar tapes read on
the nine track drive you can make disks.
>1a - What format do CD-makers want as input for the mastering of
> the CD-ROMs ?
> Can I give them a tar/cpio tape and they will make High
> Sierra out of it ?
> Which are the relevant standards ?
> Do the de facto standards differ ?
>
ANSI labeled tapes in ISO 9660 format should be accepted by ever-
ybody but PDO (Phillips) who require some kind of additional
header as well as the CD-ROM image. Disktronix would even make a
tape from an ANSI file tape if proper documentation was provided
(I don't know about tar tapes). The easiest way to made a disk is
to get a Yamaha WORM drive that makes CD-ROM compatible media and
interface it to your UNIX machine.
>2- where can we find a list of *all* currently available CD-ROMS?
> (i.e. is there something analogous to "Books in Print" ?)
>
There will never be a total list because probably a majority of
disks being made are limited distribution. A good way to receive
information on all upcoming CD-ROM products is to join SIGCAT by
contacting E. J. "Jerry" McFaul at the U.S. Geological Survey,
Reston, VA.
>3- A lot of the CD-ROMs come out of the MS-DOS
>world...consequently a lot of files are kept in the ARC format.
>Is there any PD implementation of a program able to understand
>the .arc files and unpack them under UNIX ?
>
Someone already answered this, but note that this is one of the
confusions of CD-ROM. Some disks have been produced that can be
played on both MacIntosh and IBM-PC computers, but as always a
Mac executable is gibberish on a PC and vice versa. To get a PC
software module to work under *NIX a compatibility window (or
equivalent) must be used.
>4- Which are good CD-ROM readers ? We have heard the Toshiba one
>is meant to be the fastest (whatever that means). Is this true ?
>Can you recommend one ?
>
For the drives we have, my preference is Hitachi, then Sony, and
lastly Phillips. Since you have said you want SCSI, I recommend
that you get a driver that caches at least one full track of the
CD-ROM.
>4a- Are there any CD-ROM jukeboxes ? (We need a SCSI interface
>for all devices).
I have talked to several WORM jukebox manufacturers and they say
that the CD-ROM drives that use a disk carrier can be installed
in their equipment. However, since the profile of the CD-ROM car-
rier and the WORM cartridges are different, some modification of
the existing hardware is required.
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