CDRW Drives
Recordable SCSI Interface. Pronounced see-dee-rom, abbreviation of Compact
Disc-Read-Only Memory. A type of optical disk capable of storing large amounts of data --
up to 1GB, although the most common size is 650MB (megabytes). A single CD-ROM has the
storage capacity of 700 floppy disks, enough memory to store about 300,000 text pages.
CD-ROMs are stamped by the vendor, and once stamped, they cannot be erased and filled with
new data. To read a CD, you need a CD-ROM player. All CD-ROMs conform to a
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size and format, so you can load any type of CD-ROM into any CD-ROM player. In addition,
CD-ROM players are capable of playing audio CDs, which share the same technology. |SCSI
CDROM CDRW Recordable Drives|
CD-ROMs are particularly well-suited to information that requires large storage capacity.
This includes color large software applications, graphics, sound, and especially video
.|SCSI CDROM CDRW Recordable Drives|
Here you will find basic info on CD-R Technology |SCSI CDROM CDRW Recordable Drives|
CDR Basics Are you considering purchasing a CD recorder or rewritable but are confused
about the difference? CD recording technology changes quickly, and it's easy to get
confused.A CD-Recorder (also called CD-R drive, CD burner or CD writer) can record (write,
burn) to one blank CD-Recordable disk at a time. The disk can be used once only, although
with the proper settings in supported software, you can add to the disk in more than one
recording session until it is full. This is called "multisession" recording. The
disk cannot be erased and used again, however. CD-Rewritable drives (CD-RW) make it
possible to erase what you have previously recorded and re-record again over the top of
it. How many times you can do this depends on the specifications of the disks being used.
Some disks claim that you can erase and rewrite up to 1,000 times! However, you must use
rewritable media (CD-RW) which is different than standard CD recording media (CD-R).
|SCSI CDROM CDRW Recordable Drives|
Okay, so you purchase a burner, but before you worry about media, you have to hook it up.
If you are using a Windows system with a Pentium processor and purchase an IDE-compatible
recorder, you will probably connect it to your IDE (Intelligent Drive Electronics)
interface which is the same interface to which your hard disk is connected. Most systems
will have two interfaces and can therefore support two devices. There are some external CD
writers that can be hooked up to your parallel port (normally used for printers). If you
purchase one of these CD drives, see the manufacturer's instructions for installation.
|SCSI CDROM CDRW Recordable Drives|
SCSI: The Standard for CDR/W Many high speed drives are SCSI-based. SCSI stands for Small
Computers System Interface. To use these drives, you will need to install a SCSI adapter
(also called a card) inside your computer. With a SCSI adapter you can also hook up other
SCSI type devices like extra hard drives, scanners, Zip or Jaz drives. SCSI devices are
usually faster than IDE devices.If you are using a Macintosh, hook your drive up to your
external SCSI port (although some Power Macs and other models may support an internal
drive - see your manufacturer). The iMac has a USB port - not a SCSI port. At the time of
writing this, there are no CD recorders available with a USB port. One of the problems is
that the sustained data transfer rate of the USB port on the iMac is not fast enough for a
4X recorder. This produces buffer underrun and results in "coasters" - CDs that
are useless!Both CD-R and CD-RW disks will hold up to 650 Mb of data or 74 minutes of
audio, although we now have CD-R disks that will hold up to 700+ Mb of data and 80 minutes
of audio. The length of time it takes to record (write) a disk depends on how much data or
how many minutes of audio you have and the speed of your CD recorder or rewritable. If,
for example, you have a full 650 Mb of data or 74 minutes of audio, at single speed it
would take 74 minutes to record. A 2X recorder (recording at double speed), it would take
37 minutes to record. If you have a 4X recorder (recording at quadruple speed), it would
take 18.5 minutes. |SCSI CDROM CDRW Recordable Drives|
Some recording software (also called pre-mastering software) have a feature that allows
you to verify the data you have written against your source file (disk from which you are
recording), and that will take a little longer. |
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