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Toast 8 does not tell me what kind of dvd I'm inserting (dvd or dvd DL)


Uzine

Question

Hello, I'm a total dunce as to which dvd types to use and as to single sided vs. dual layer lingo. My problem is this : I'd like to know which dvd's I can use on 14" iBook PowerBook6,7 PowerPC G4 (1.5) 1.42 GHz Mac OS 10.4.8 with MATSHITA DVD-R UJ-845E [firmware DMP2 / ATAPI / 2048 KB cache] ok for cd's -R, -RW and for dvd's -R, -RW, +R, +RW / writing methods CD-TAO, CD-SAO, DVD-DAO]. For instance, I've got a data backup ready in Toast 8 that weighs 4,58 GB, and I've got an empty TDK single sided dvd recordable / dvd inscriptible DVD-R 1-8x that's good for 4,7 GB of data ("conforms to the DVD-R for general version 2.0 / 8x speed DVD-R revision 3.0 standard and supports 1-8x speed on compatible DVD-R/RW recorders"). When I insert the disc, Toast does not automatically pick the right options. Toast 8 allows me to either choose DVD (and then it says "4,58 GB spans approximately 2 dvd's") or to choose DVD-DL (and then it says "4,58 GB fits onto one dual layer dvd"). However, TDK's package does not say if this dvd is dual layer or not. Instead TDK cautions me that "use of this disc in incompatible recorders may lead to permanent damage to the recorder. For more details on high-speed recording, refer to the writer manual or contact your hardware manufacturer." Sadly, I'm not able to find much info, and in shops, people are not familiar with Apple gear, only with pc standards. So, could you kindly tell me which dvd's to buy and which not to buy for my hardware configuration, over here in Belgium ?

 

Apart from that, I'd like to mention that the whole registration and log in process via Roxio.nl could be made more easy. I've already sent two mails about this on 2007-02-16 to reg@sonic.com, but received no reply.

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BTW, assume if the discs don't mention Double Layer that they aren't. This is the norm.

 

The 4.7 GB is the clue that they aren't double layer discs. The TDK double layer discs that I have (only DVD+R DL; DVD-R DL is a fairly rare beast) note 8.5 GB and have DL on them, as do my Verbatim DVD+R DL discs.

 

BTW, those GB ratings on all DVDs are 1 GB = 1 billion bytes. As most computers (and Toast and the MacOS) measure it, it's ~4.37GB (single layer) and ~7.91 GB (double layer).

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Thank you both for you answers re: Toast 8 and single / double layer dvd's ! (I also got good feedback @ MacFixIt.) Btw : I just downloaded the Toast 8.0.1 update. What an unnecessarily complex procedure ! Zip > dmg > drag & replace (at the risk of losing your documentation in the same map). And then you have to re-register and end up on Roxio's not-so-user-friendly site. How very different from how Apple updates iTunes or its system software !

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Your TDK DVD-R discs are single-layer discs. It is much more economical for you to span your data burns across multiple single-layer discs than to use dual-layer media. Also, the only dual-layer media I recommend are Verbatim DVD+R DL discs because many others seem to be unreliable for burning.

 

So choose the disc spanning and burn with the discs you have.

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