Hi Sue,
I have not heard of a CD+R. Typically, there are CD-R, CD-RW, DVD+R, DVD+RW,
DVD-R, and DVD-RW. The "RW" types are rewriteable, whereas the "R" types are
write once.
On the DVD side, there are two types, DVD+R(W) and DVD-R(W). These are
different formats that came from different manufacturers. Some older
consumer DVD players may play one and not the other. Some DVD players may
play both, some play neither. Also, whereas some players may play "R" media,
they may not work with "RW". You pretty much have to lookup the particular
player you have. DVD burners will also support CD-R and CD-RW.
Because there is no clear unified standard in DVD, most burners you get
nowadays support both formats, these are called dual format drives. In
addition, there is a relatively new standard for DVD+R DL (for dual layer),
these support nearly twice the capacity on dual layer disks (8.5 Gbytes vs.
4.7 Gbytes) of single layer.
As to what you have, if it is simply a recordable CD drive, you would have
to look up the model number on the HP web site and see what its specs are.
Also, the front faceplate will usually have logos on it that tell what it
supports. It could be CD-RW (which will support CD-R also), or may be CD-R
only. If it is a DVD recorder, HP on their older drives only supported DVD+R
and DVD+RW (also CD-R and CD-RW).
Russ Poffenberger
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-----Original Message-----
From: PCBUILD - Personal Computer Hardware discussion List
[mailto:[log in to unmask]] On Behalf Of Sue Rose
Sent: Monday, December 20, 2004 1:29 PM
To: [log in to unmask]
Subject: [PCBUILD] cd rom disks
Hello Listers,
In various ads, I have noticed there are cd-r cd +r as well as dvd-r and
dvd+r What is the difference between a cd -r and cd +r? I have just recieved
an old HP writeable cd and wondered how I know which types of cd to write on
it with and how I am supposed to know what the machine will acccept.
Thanks
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