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PB's superdrive won't erase new DVD-RW media
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Mac Enthusiast
Join Date: Nov 2003
Location: Brussels, Belgium
Status:
Offline
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I tried burning to a DVD-RW disc for the first time today on my 12" revB PB with Superdrive. I burned a small (100mb) folder to the disc with no problem, but I can't rewrite to the disc, nor erase it in Disk Utility. The disc is now 'read only'...
Is this likely to be down to the disc (made by some Taiwanese outfit called 'Optodisc' and about half the price of a TDK DVD-RW)? Or am I going to have to spend the money on a 'proper' branded DVD-RW to find out? 
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Senior User
Join Date: Mar 2002
Location: Golden, CO
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Offline
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The super drive in the laptops does not support DVD-RW discs, only DVD-R.
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Forum Regular
Join Date: Aug 2002
Location: NC
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Can you record and erase using 3rd party SW such as Toast with PB?
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Switcher and damn glad...with iMac and PB who would not be happy!
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Mac Enthusiast
Join Date: Nov 2003
Location: Brussels, Belgium
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Offline
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Originally posted by parsec_kadets:
The super drive in the laptops does not support DVD-RW discs, only DVD-R.
Ah you're kidding??
/miffed
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Forum Regular
Join Date: Sep 2001
Location: Houston, TX
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Originally posted by mintcake:
Ah you're kidding??
No, he's not kidding. The firmware that comes on Powerbook Superdrives does not allow DVD-RW writing. Here's a link to a set of firmware upgrades that allow DVD-RW writing on Powerbook Superdrives. Read it carefully, since applying a firmware update may damage your drive.
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Mac Enthusiast
Join Date: Nov 2003
Location: Brussels, Belgium
Status:
Offline
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Thanks RDiT.
While I genuinely appreciate the advice, I'm not so desperate to use -RW discs to try it, but I took a look at that site anyway and read the following in the FAQ:
Q: What systems can this be ran on?
A: Any macintosh system that has a Matshita (Panasonic) UJ-815 drive. They typically come with the 867Mhz/1Ghz Titanium Powerbook, 867Mhz 12" Powerbook and the 1Ghz 17" Powerbook. Newer Powerbooks (Sept 2003) do not need this because Apple has done "the right thing" and allowed the drive to be used to its full capability (while renaming it to UJ-816 so people with UJ-815's don't complain).
Was the FAQ's author wrong about this or should my PB (assembled end November 2003) be able to write to DVD-RW? Perhaps he's just talking about the speeds.
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Grizzled Veteran
Join Date: Mar 2001
Location: London, UK
Status:
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No, he wasn't. My 1GHz 12" works perfectly with DVD-R/Ws. It might be a matter of bad media or a dodgy drive, but it should work. -R/W will only burn at 1x, though, not the 2x you'll get with a -R disc.
Originally posted by mintcake:
Was the FAQ's author wrong about this or should my PB (assembled end November 2003) be able to write to DVD-RW? Perhaps he's just talking about the speeds.
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Mac Enthusiast
Join Date: Nov 2003
Location: Brussels, Belgium
Status:
Offline
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Hmm. So it was probably the cheap disc I used.
Unless dropping my powerbook the other day damaged my drive in some way? But why would that affect only the DVD-RW function and not any of the others?
So I may have to invest in a better disc and see if that works.
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Dedicated MacNNer
Join Date: Jul 2001
Status:
Offline
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In System Profiler UJ-816 clearly described as
Drive Type: CD-RW/DVD-RW
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PB G4 12" 1.5GHz/1.2GB/100GB/SuperDrive/AE/Mac OS X Tiger
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