User guide

DiscView PRO User Guide
140
CD-ROM drive
A computer add-on (peripheral) that reads CD-ROM discs.
CD-ROM tower
A peripheral that is made up of two or more CD-ROM drives
daisy-chained together and contained in a casing for ease of
installation and portability.
CD-ROM/XA
An extension to the CD-ROM standard, XA allows computer
data and certain audio data to be placed on the same track of
the disc. With proper interleaving, the track can play back
audio, video, and computer data at what appears to be the
same time.
Daisy chain
A series of SCSI devices, such as several CD-ROM drives
connected to a DiscPort. The first drive is connected to the
DiscPort, the second drive is connected to the first drive, and
so on, with the last drive, or SCSI device, being terminated.
Disc changer
A CD-ROM drive that provides access to multiple CD-ROMs
with one read-head (unlike a jukebox that has multiple read-
heads). DiscPort makes use of LUNs to identify the indi-
vidual CD-ROMs in the disc changer.
Dismount
The act of taking a published CD-ROM volume off-line so that
it is no longer available to users.
DOS
Disk Operating System that tells a computer how to commu-
nicate with its peripherals, such as the hard and floppy disks,
keyboard, monitor, printers, and so on.