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NEC ND-3540A - 8x DVD+R DL Writing!

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NEC ND-3540A - 8x DVD+R DL Writing!

Postby Ian on Wed May 04, 2005 10:56 pm

Well, everyone has seen the BenQ DW1640's 8x DVD+R DL writing performance.. what about the NEC ND-3540A?

First, here's a few screenshots.

Image

Image
Last edited by Ian on Fri May 06, 2005 7:47 am, edited 2 times in total.
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Postby Ian on Wed May 04, 2005 11:00 pm

Need 8x DVD+R DL media? Heck no! You can write to Verbatim's 2.4x DVD+R DL media at 8x.

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Sorry.. still in the process of checking Ritek, Ricoh, etc. No idea if they work at 8x yet. I kinda doubt it though.

This has gotta be one of the oddest writing methods I've seen. It writes at 8x only during the last third of the first layer.

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I'm not really sure what NEC is doing here. You're not really saving any time by writing at 8x. In fact, its slower than most drives that write at 6x. Hopefully the performance is better with true 8x DVD+R DL media.

Like the ND-3520A, the book type of DVD+R DL media is automatically set to DVD-ROM.

Image

Writing quality tests coming up...
Last edited by Ian on Wed May 04, 2005 11:46 pm, edited 1 time in total.
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Postby Ian on Wed May 04, 2005 11:46 pm

It looks like write quality testing isn't supported in the current firmware.

Image

Here's a scan with a BenQ DW1620.

Image

KProbe scans coming later. Drive is in use right now. :D
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Postby raygay27 on Thu May 05, 2005 3:53 am

u shld scan at 8x on benq1620, not max.
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Postby Ian on Thu May 05, 2005 7:45 am

raygay27 wrote:u shld scan at 8x on benq1620, not max.


The max is 8x. Same thing.
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Postby Ian on Thu May 05, 2005 9:05 am

I forgot to do this one last night. Here's KProbe:

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Postby dolphinius_rex on Thu May 05, 2005 9:54 am

Ian wrote:
raygay27 wrote:u shld scan at 8x on benq1620, not max.


The max is 8x. Same thing.


Actually, you can scan at 16x now... but for some reason when you scan at max it always tops out at 8x. It probably has to do with what version of CD/DVD Speed you or I use. But anything faster then 8x on the BenQ is pretty messed up, as the drive slows down and starts up again every .25GB or something like that.
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Postby Ian on Thu May 05, 2005 10:11 am

Probably the firmware. I'm using the latest CD Speed and it reads at 8x when set to max no matter what media I use.
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Postby Kitto on Thu May 05, 2005 2:40 pm

Have you done a transfer rate test? :P
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Postby eric93se on Thu May 05, 2005 3:27 pm

they succesfully burned at 8X with verbatim media here:

http://forum.cdfreaks.com/showthread.php?s=aeb53da33b6a773924c2cb8978dd1a01&t=136193

18 minutes and 34 seconds
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Postby Ian on Thu May 05, 2005 3:51 pm

Very odd. I gotta talk to Wes about how he got the quality scan to work. Between that and the odd writing strategy, I wonder if my drive is defective.
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Postby Ian on Thu May 05, 2005 10:06 pm

It looks like the gremlins have taken a vacation. The drive works fine tonite.

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Postby Ian on Thu May 05, 2005 10:52 pm

Write quality testing still doesn't seem to work right. The drive won't make it to the second layer.

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The disc reads fine though.

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Postby chiphead on Sun May 08, 2005 7:50 pm

I'm waiting for this drive. I hope it lives up to expectations.
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Postby eleewhm on Mon May 09, 2005 3:44 am

Ian..i will do a 8x +R DL on the 1640 soon... :D
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