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Internal/External DVD burner question

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skydiver41
Internal/External DVD burner question
on Feb 26, 2004 at 3:11:46 pm

Is there any advantage/disadvantage (besides cost) to using an external USB 2.0 Plextor burner instead of an internal? (Speed, IRQ?) Thanks.



Blue Skies
Skydiver41


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John Q
Re: Internal/External DVD burner question
on Feb 27, 2004 at 2:24:14 am

An internal drive is faster than an external one. The internal drive can use DMA transfers to move data from your hard drive to your burner. The external drive has to use a PIO-type transfer, which has more communication overhead than DMA. The difference shouldn't be very large, though.

An external drive is more convenient, as it can easily be moved from one computer to another. If you have an older notebook, this may be the only way to add a DVD burner to it.


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