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TICKET ARCHIVE -> LaCie firewire DVD drive

Uno - Dec 2, 2005 - 2:28 am

I cannot get a LaCie Porsche 16+-RW 16x4x16x firewire lightscribe dvd drive to burn DVDs from the Finder, Backup, iTunes etc. I am using a G4 desktop Mac 733Mhz.
The writer is mostly OK using the supplied Toast Lite depending on the media I use. When trying to burn from finder I continually get error message "Comms to disc drive failure EC0x80020022"
I have installed all suggested updates from the Lacie support site. In checking "About this Mac" (as suggested from update "read me's") it indicates the unit is vendor supported but in Disk Utility it indicates that there is no burn support.
CD's burn from the finder without drama. Any clues will be enthusiastically received.

philippe99 - Dec 2, 2005 - 11:02 am

Rob, welcome to macosx.com

May have you a look to patchburn, which can help you to force iTunes/Finder better recognizes your laCie ?
http://www.patchburn.de/
Regards
Philippe

Uno - Dec 4, 2005 - 11:44 pm

Hi Philippe D.

Thanks very much for the prompt advice. I tried Patchburn for Tiger but it has not help. Same result as described in my original post.

Best regards

Rob

philippe99 - Dec 5, 2005 - 2:53 am

(1) could you check if this drive works -I mean burning through Finder/Itunes- on another Mac ?
(2) are you sure of the FW cable ?

Regards
Philippe

Uno - Dec 5, 2005 - 3:29 am

Hi Philippe

Have already checked the firewire cable against a known good one so that's not the problem. I do have a G3 iBook on loan to my girlfriend which I'll get tonight. I'll give it a try and let you know.

Thanks Philippe

Rob

Uno - Dec 7, 2005 - 9:10 pm

Hi Philippe

I have tried the drive on a G3 ibook running the same system OS 10.4.3. Both have the very latest updates from LaCie although I didn't have patchburn on the ibook admittedly. Same thing happens, returns a comms error when burning from Finder. Both burn DVD's OK from Toast Lite and both burn CD's without problems.

Regards

Rob

philippe99 - Dec 8, 2005 - 4:45 am

Well, Rob, I run out of ideas.
Different machines with the same burner return the same error...

On the other hand, as both machines run Tiger, It is difficult to say if the burner itself is the culprit or if someting in the OS is wrong.

It would be intersesting to use this burner with a Panther based machine to see if Tiger is the culprit.
I searched on the Web but found nothing about this error

Could contact the LaCie support (I mean by phone or email) and explained them the error: perhaps they know which this error means.
For me, as ToastLite works, this cannot be the FW port of the Mac


Well, another idea would be something related to buffer underrun
http://docs.info.apple.com/article.html?artnum=25750-en
In short, the burner burns too quickly for the mac to send data -> try to burn at 1X with the Finder.

As described here
http://docs.info.apple.com/article.html?artnum=25480
could you, just after a burning failure, open your Applications/Utilities/Console, select History and browse the various logs to see if you see a error related to a buffer underrun
In the Apple System Profile (AboutYourMac/MoreInfos-> Firewire -> select the drive), is there something which speak about the buffer underrun protection ?

Philippe