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Buffer Underrun - A buffer underrun occurs when the buffer runs out of information unexpectedly. You normally see this when you're writing a CD-R and it ends up not getting info fast enough; trashing the disk you were trying to write. Here's a little more on CD-Rs and buffer underruns: CD-R drives put information from your hard drive into a "buffer" (i.e.memory area) before they write it to the CD. The idea behind a buffer is to maintain a steady flow of information to the unit. When you burn a CD, it's done on the fly. The CD-R drive tries to keep its buffer full (or close to it) at all times. As long as there is information in the buffer, the CD-R drive can write to the CD. If the buffer gets emptied out and not refilled (usually due to the computer being busy with something else) the CD-R drive has nothing to write to the CD that's spinning inside of it. Unfortunately, a CD has to have information on every second it's being written, so you end up with the buffer underrun error and (in most cases) a CD-R disk that's as worthless as a 286. To help prevent this problem, don't mess with your computer while it's writing to a CD (you may want to disable your screen saver too).
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Computing Terms
