Thanx heaps Ronni, That's makes a lot of sense, you explain things beautifully.
Much appreciated. Rosalyn On 18/06/2008 11:59 AM, "Ronda Brown" <[EMAIL PROTECTED]> wrote: > On 18/06/2008, at 11:18 AM, William Crabb wrote: > >> Hi All, >> >> I'm hoping someone can help me understand this... >> >> Occasionally when I attempt to burn a dvd of images, it comes up >> with the >> message "Buffer Underrun" and the burning aborts. >> >> I have just tried to burn 2.65GB onto a 4.7GB dvd and it happened. >> There is about 5GB available on the HD. >> >> And then if I go to burn something else it will be fine. >> There seems to be no reason to it. >> >> WHY???? WHAT DOES IT MEAN? > > Hello Rosalyn, > > "Buffer Underrun": CD-R/DVD-R drives put information from your hard > drive into a " buffer " (i.e. memory area) before they write (copy) it > to the Disc. The idea behind a buffer is to maintain a steady flow of > information to the unit. > When you burn a CD or DVD, it's done on the fly. The CD-R/DVD-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 /DVD-R drive can write > to the disc. > > If the buffer gets emptied out and not refilled (usually due to the > computer being busy with something else) the CD-R/DVD-R drive has > nothing to write to the Disc that's spinning inside of it. > Unfortunately, a CD/DVD has to have information on every section > that's written, so you end up with the buffer underrun error and (in > most cases) a disc that is useless. > > To help prevent this problem, don't mess with your computer while it's > writing to a Disc, Quit other applications (you may want to disable > your screen saver too). > > Also try burning at a slower speed. > > Cheers, > > Ronni > > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> > Unsubscribe - <mailto:[EMAIL PROTECTED]> -- The WA Macintosh User Group Mailing List -- Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> Unsubscribe - <mailto:[EMAIL PROTECTED]>
