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iMac G5 and DVD-RAM
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Fresh-Faced Recruit
Join Date: Dec 2004
Status:
Offline
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Hey!
I just got delivery of the new 20" iMac G5 home. Absolutely fantastic! I am really having a great time setting everything up the way I want. I am extra fond of the SuperDrive, which allows me to burn a lot of stuff, both CDs and DVDs. One thing bogs me though; I understand that it will not accept CD-RAMs directly out of the box. However, the Matshita UJ-825 drive supports DVD-RAM discs with 2x write speed. From other posts on the internet I also understand that Mac OS X 10.3.x supports DVD-RAM, at least on external drives. So what gives? I know that Apple downgrades these drivers from time to time, but still?! It would be an absolutely killer to have a super-giant floppy drive built into my iMac.
Anyway, does anyone out there have any experience with DVD-RAM discs on this drive with Mac OS X? Does it really not work out-of-the-box? If so, are you aware of any patches or other software to make it work?
Any info appreciated. These DVD-RAM discs are not by any means free, so I would prefer not to experiment unless necessary.
--/Peter
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Dedicated MacNNer
Join Date: Jul 2003
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It's got DVD-RW in addition to DVD-R, you don't really need DVD-RAM.
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Admin Emeritus  Join Date: Oct 1999
Location: Zurich, Switzerland
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If you think DVD-RW and DVD-RAM are comparable technologies, deboerjo, you need to go back and learn about DVD-RAM.
DVD-RAM was designed for random reading and writing, to be like a giant Zip disk. DVD-RW was designed as a write-the-whole-disc, erase-the-whole-disc technology.
tooki
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Fresh-Faced Recruit
Join Date: May 2004
Location: Arizona
Status:
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I've tried putting a blank 4.7 GB DVD-RAM in my iMac, and it will not format.
Apparently, the Macs with DVD-RAM compatible drives can use some DVD-RAM discs out of the box, but only the 2.6 GB and 5.2 GB (two-sided) ones. You have to format them using Disk Utility before using them, though.
The 4.7 GB discs that are more common, and that are used with DVD recorders, rely on a file format system called UDF (Univeral Disk Format), which enables greater capacity on each side of the disc. OS X is not built with support for UDF.
However, if you want to use other discs, or use discs that have been recorded on a DVD recorder, it appears that additional software is needed, such as
ReadDVD!
URL=http://www.softarch.com/us/products/rdvd.html
They also have a package for using with DVD Recorders called GreatVideo!
http://www.digitalriver.com/dr/v2/ec...amp;CACHE_ID=0
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Dedicated MacNNer
Join Date: Jul 2003
Status:
Offline
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Originally posted by tooki:
If you think DVD-RW and DVD-RAM are comparable technologies, deboerjo, you need to go back and learn about DVD-RAM.
DVD-RAM was designed for random reading and writing, to be like a giant Zip disk. DVD-RW was designed as a write-the-whole-disc, erase-the-whole-disc technology.
Do Macs not support packet writing (aka Mt. Rainier) for CD-RW and DVD-RW? I regularly use CD-RW discs under Windows and Linux as one-file-at-a-time media via packet writing. I've never actually tried on a Mac, my G4 has a Zip drive, so when I'm on my Mac I just use that. I know that DVD-RAM is more specifically designed for it than -RW, but (under Windows/Linux anyway) -RW works just fine as a "giant zip disk".
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Admin Emeritus Join Date: Oct 1999
Location: Zurich, Switzerland
Status:
Offline
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Nope. I wish Apple would put in Mt. Rainier support.
tooki
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