Archive for cd

Buffer Underrun

Posted in Partner review with tags on May 19, 2009 by patchme2

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.

A buffer underrun error means that for some reason the flow of data from source (e.g., hard disk, CD-ROM drive) 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 recordable disc may be ruined.

Possible Causes of Buffer Underrun:

Hard Disk
Extremely fragmented hard drive.
Not enough space in temporary directory.
Hard disk compression may cause buffer underruns. We do not recommend writing from a compressed hard disk or disk partition.