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DVD+RW/+R ReWritable Drive
User’s Guide
- 51 -
Nero Express
The following is a list of error messages you may encounter, along with
descriptions and suggestions for resolving them. See also the online help for a
listing of additional error messages.
Q: Buffer underrun at sector....
A: CD writing is a real-time process, which must run constantly at the
selected recording speed, without interruptions. The CD recorder's buffer is
constantly filled with a reserve of data waiting to be written so that small
slowdowns or interruptions in the flow of data from the computer do not
interrupt writing.
This message indicates that for some reason, the flow of data from hard disc
to CD recorder was interrupted long enough for the CD recorder's buffer to be
emptied, and writing was halted. If this occurs during an actual write
operation rather than a test, your CD may be damaged.
To avoid buffer underruns, make sure that no screen savers or other
Terminate and Stay Resident (TSR) utilities are active (they can momentarily
interrupt operations) and that your working hard disc cannot be accessed via
a network.
Also, the CD recorder’s position in the IDE bus or the cable length between
the computer and CD recorder may cause data slow-downs. Try connecting
the CD recorder as the master on the IDE bus and, if possible, use a shorter
IDE cable between the CD recorder and the host adapter.
Q: The current CD already contains a closed audio session. If you
continue you may have problems reading the last audio session on
some CD audio players. Continue anyway?
A: Under the Red Book standard for Audio CDs, all audio tracks must be
written in a single session. If you add audio tracks in more than one session,
playback results will be unpredictable. Most CD-ROM drives will play back all
audio tracks on a CD even if they are recorded in several sessions. Most home
and car CD players can only play the tracks in the first session.