Quoting "Andrew K. Bressen" <akb+lists.cctech at imap1.mirror.to>:
Rick Murphy <rick at rickmurphy.net> writes:
I wrote a VMS ACP for handling ISO disks many
years ago that took
advantage of this. The intervening decade or so may have some of the
details wrong but most of what the software did was just reblocking
to
cast the 2048 bit CD data into 512 bit blocks.
Yeah, important point original poster may need to know:
many VMS systems need cd-rom drives that can do 512 bit blocks.
Many early SCSI cd-roms don't do 512 bit blocks, so try to make
sure the one you're trying to use can do this.
Some TEAC SCSI cd-rom drives, all Plextor SCSI cd-rom drives and some Toshiba
SCSI cd-rom drives (sun used Toshiba SCSI drives) can be jumpered for (or in the
case of the Toshiba) a trace or 2 cut at a location specifically for the purpose