DVD-RAM read/write in OSX 10.8.2

I have a number of disks in the DVD-RAM format which are backups from a family member. I need to resurrect this now dated, but still quite effective DVD standard. I have acquired a later Model Matshista (Panasonic) drive, Model SW-9576S, one of their faster and more recent DVD-RAM cartridge drives. It is housed in a new IDE=>USB enclosure. It works fine on my 17" MBP using Win 7 in bootcamp, both reading and writing. I believe I have an OSX software problem, since on the Mac side of the machine, the drive mounts, and files can be seen, but they cannot be read, and I cannot write a file to new media. All of these cartridge DVD-RAM disks come from the factory formatted as "UDF". I tried to format one for the Mac using disk utility, but it did not work, returning a disk error message and not allowing the format.
I know this is supposed to work, and DVD-RAM standard is still supported. It has some advantages, particularly its ability to function as a hard drive with unlimited read/write cycles.
I would be grateful for any help....

DVD-RAM cartridges have a lock button for physical access to read/write. Look for it.
MOST 3rd party DVD recorders from Samsung and others will read/write DVD-RAM in modern units. Check their specs. The Apple Superdrive does NOT work with DVD-RAM
There is more issues about compatibility from the external USB 2.0 drive case onboard chip talking with USB 3.0 machine than with the Panasonic unit.
You can remove the DVD from the case and try using it in the unit as well. The case just functions as an extra protection for fingers and dust.
IF it mounts, work with Disk Utility to check its abilities. If you can see it, and choose to Repair Disk successfully, its working. If it gives you trouble to READ it, try a better enclosure/connection type like those from OWC or Mac knowledgeable sellers.
Regards,

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I want to buy an internal DVD multidrive to install in my MacPro. I have old Type 1 DVD-RAM media from my trusty Sawtooth G4 that I want to keep using and I want to continue archiving my freelance jobs, photos and video to DVD-RAM, using more current cartridge type disks.
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My old Type 1 disks are double-sided and I also want to use Type 2 and 4 double-sided cartridges if I buy a DVD-RAM drive. I like having archival data on disks inside the cartridges. These are like glorified ZIP disks. For my intended use, I think they're much superior to a non-cartridge disk.
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http://www.usb-ware.com/panasonic-lf-m821-oem.htm
http://www.cwol.com/dvd-burners/panasonic-lf-m821-oem.htm
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http://logicalplus.stores.yahoo.net/answ5xdvdram.html
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I have a HP DV4-1125nr, the problem ive got recently is that i can read and burn Double Layer DVD's but cant read DVD (R- or R+) and neither CD's i have been looking and i dont see anyone having this trouble, so can somebody help me please? i would apreciate it so much!.
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Hi,
First, try the automated fixit from Microsoft on the link below.
Windows 7
Vista
Check if the drive is now working.
If the drive is not working, from the Start Menu, open the Control Panel and click on Device Manager. Click to open the IDE ATA/ATAPI Controllers. Right click on the first channel and select uninstall. Do not delete drivers if asked. When uninstalled repeat the process for each channel. Also if an ATA controller is listed, right click and uninstall this, again not deleting drivers if asked. Then open DVD/CD-ROM Drives. Right click the drive and select uninstall. Do not delete drivers if asked.
Reboot the PC and let Windows reinstall the devices. Check the drive again.
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Regards,
DP-K
****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Microsoft MVP - Windows Experience

CD DVD external reader- writer

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Hi colorworks
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DVD-RAM support for iMac (late 2006)

Hello,
according to the thread:
http://discussions.apple.com/thread.jspa?messageID=4755862
I have a iMac C2D 2,16GHZ and a Pioneer DVR-K06 DVD Drive
According the pioneer specifications this drive supports DVD-RAM read and write.
( http://www.pioneerelectronics.com/vgn/images/portal/cit3424/310207082POVDVR-K06.pdf )
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It is possible that Apple supply a firmware update that allows to read and burn DVD-RAM?
Message was edited by: raymondvetter

Thank you and SG for your responses.
Several of my TV's DVD Recorder features are not available with the use of a regular DVD disc and require a DVD RAM disc (chapters, etc.) So I decided to do some experimenting and cross checking of the DVD Recorder and my computer DVD-RAM supported DVD burner/Premiere Elements with regard to disc types for DVD-VIDEO. That is what got us to my question.
Several months ago, I got involved in someone else's issue where he could not rip content from a DVD disc which had its origins in a camcorder that recorded to either a DVD-R or DVD-RAM disc. I suspect that my mini test ran into similar issues, that is, DVD-R with the recording format of DVD-VIDEO and DVD-RAM with the recording format of VR. (I added this explanation to clean up my previous misspoken comment about DVD-VIDEO format having a different folder/file structure depending on whether a DVD-R or DVD RAM was involved.)

DVD-RAM support?

Hi All!
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To PLUS or to MINUS or to DVD-RAM that is my ? ? ?

When do i use PLUS and MINUS DVD's ?
Can I use a DVD-RAM in my late 2009 edition iMac (3.06GHz) ?

talmy0 wrote:
Plus or Minus can be used interchangeably. DVD-RAM is not supported.
OK thanks for the info and confirmation.
To bad Apple does not install those types of drives that do support DVD-RAM.
I'm lucky here because i do have an external FireWired LG burner that does do DVD-RAM.

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Hi Maria,
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funny quotes funny jokes

What DVD (read write) media is the most reliable.

On a new Mac Pro, should I use DVD+RW or DVD-RW, and what brand.

Check out http://www.macsales.com optical drives and media section.
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http://forums.avault.com/archive/index.php/t-9349.html

DVD-RAM read/write in OSX 10.8.2

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