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is Toshiba SD-M1712 (J004) a picky reader ?

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is Toshiba SD-M1712 (J004) a picky reader ?

Postby dodecahedron on Sun Oct 16, 2005 8:52 am

burned a backup of a movie with my BenQ DW1620 B7T9 onto TDK 8x DVD+R TY T02.
i checked the transfer rate on the Toshiba DVD-ROM (see below) and was alarmed. but when i did a transfer rate at 12x and 8x, both on the Toshiba and on the BenQ, the curve was smooth and nice. see pics below, also Disc Quality.
did another burn - first with DVD Decrypter, second with Nero (to rule out the software as an issue) results basically the same.

so what, the Toshiba is a picky reader?
anyone else with this drive, what's you experiences with it ?

yeah, i know that J004 is a hacked firmware (rip-lock removed).
Attachments
transfer rate on toshiba at 12x.png
CDSpeed tranfer rate test on the Toshiba DVD-ROM @ 12x.
perfect.
transfer rate on toshiba at 12x.png (48.29 KiB) Viewed 11801 times
transfer rate on toshiba at 16x.png
CDSpeed tranfer rate test on the Toshiba DVD-ROM @ 16x.
note how the dips correleate with the quality scan above.
transfer rate on toshiba at 16x.png (53.39 KiB) Viewed 11807 times
quality test on benq.png
CDSpeed Disc Quality test on the BenQ burner.
quality test on benq.png (54.12 KiB) Viewed 11802 times
Last edited by dodecahedron on Sat Oct 22, 2005 1:04 pm, edited 1 time in total.
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Postby CowboySlim on Sun Oct 16, 2005 12:59 pm

Dode,

Ive got a Toshiba SD-M1712 in here as I type.
Original FW: 1004
Never had a problem, great reader.
My reader of choice.

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Postby Scour on Sun Oct 16, 2005 1:09 pm

Hello!

The 1612/1712 are real picky with the modded FW. With original FW these drives are very slow readers with burned DVD-media, so you rarely have problems
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Postby Han on Mon Oct 17, 2005 4:18 am

I've noticed Toshiba SD-M1712 doesn't like TY DVD+R media very much. :-?
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Postby dodecahedron on Mon Oct 17, 2005 4:31 am

i'll try to burn the same stuff to Verbatim 8x DVD+R i've got (Made in India) and see what happens.
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Postby Han on Mon Oct 17, 2005 5:23 am

Try DVD-R.
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Postby dodecahedron on Mon Oct 17, 2005 10:37 am

Scour wrote:The 1612/1712 are real picky with the modded FW. With original FW these drives are very slow readers with burned DVD-media, so you rarely have problems

in a way that's a good thing - helps me test burns to see how good they are.

@han:
did you mean TY DVD-R or DVD-R in general?
i've only had Verbatim media till a short while ago, and my (only) burner BenQ DW1620 didn't like the Verbatim 8x DVD-R much.
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Postby Han on Tue Oct 18, 2005 2:54 am

As far as I know TY doesn't make DVD-R. I use Verbatim and Fuji and Toshiba likes them.
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Postby dodecahedron on Tue Oct 18, 2005 3:19 am

Han wrote:As far as I know TY doesn't make DVD-R. I use Verbatim and Fuji and Toshiba likes them.

???
FujiFilm 8x DVD-R Made in Japan

Code: Select all
----------------------------------------------------------------------------
Unique Disc Identifier : [DVD-R:TYG02]
----------------------------------------------------------------------------
Disc & Book Type :       [DVD-R] - [DVD-R]
Manufacturer Name :      [Taiyo Yuden Co. Ltd.]
Manufacturer ID :        [TYG02]
Blank Disc Capacity :    [2,298,496 Sectors = 4.71 GB (4.38 GiB)]


can you give me info on the Verbatim DVD-R you use?
made in what country? speed rating? MID code?
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Postby Han on Tue Oct 18, 2005 3:35 am

Hmm, which brand are those TY DVD-R?

My DVD-R Fuji's are made by Prodisc - they are not from Japan for sure. I prefer Verbatims from Taiwan. I'll post details later, when I come back home.
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Postby Scour on Tue Oct 18, 2005 6:19 am

Han wrote:Hmm, which brand are those TY DVD-R?

My DVD-R Fuji's are made by Prodisc - they are not from Japan for sure. I prefer Verbatims from Taiwan. I'll post details later, when I come back home.


Fuji sold in the past +R and -R from TY, now the most Fujis are Ritek :(

Plextor and Verbatim Pastel -R are also from TY
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Postby dodecahedron on Tue Oct 18, 2005 7:47 am

@Han:
like i said in my previous post, they are Fuji.
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Postby Han on Tue Oct 18, 2005 1:04 pm

Ok, here are the codes of blank media in my stock:

Code: Select all
Media ID                            Verbatim Pearl White
Media code/Manufacturer ID          CMC MAG. AE1
Book/Media Type                     DVD-R
Manufacturer Rated Speed            8.0x

Code: Select all
Media ID                            Verbatim DataLifePlus
Media code/Manufacturer ID          MCC 02RG20
Book/Media Type                     DVD-R
Manufacturer Rated Speed            8.0x

Code: Select all
Media ID                            FujiFilm
Media code/Manufacturer ID          ProdiscF01
Book/Media Type                     DVD-R
Manufacturer Rated Speed            8.0x

Code: Select all
Media ID                            Verbatim Pastel / FujiFilm
Media code/Manufacturer ID          YUDEN000T02
Book/Media Type                     DVD+R
Manufacturer Rated Speed            8.0x
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Postby dodecahedron on Tue Oct 18, 2005 2:12 pm

well, it looks like i'll just have to live with the fact that my Toshiba DVD-ROM doesn't like TY DVD+R :(

since it seems my BenQ doesn't like this media anyway (poor results) i guess it's not too bad.
gonna try now my second TDK TY DVD+R spindle, and see maybe the first one was a bad batch.
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Postby dodecahedron on Thu Oct 20, 2005 5:47 am

well, this is getting weirder.

here's another scan of a TDK 8x DVD+R made by TY - YUDEN000 T02, burned at 8x. but this is from the second spindle i have. the pic in the first post is of a disc from the first spindle.

now the transfer rate test on the Toshiba DVD-ROM at 16x looks much better!!!
note - it's only 3.93GB, it looks like it's starting to slow down at the end.

so...why is the Toshiba reading this TY DVD+R much better than the last?

hmm...quite a difference between the discs from the 2 spindles.
Attachments
TDK-TY-2 burned8 transferrate toshiba16.png
TDK-TY-2 burned8 transferrate toshiba16.png (48.97 KiB) Viewed 11685 times
TDK-TY-2 burned8 discquality benq.png
TDK-TY-2 burned8 discquality benq.png (53.75 KiB) Viewed 11690 times
Last edited by dodecahedron on Sat Oct 22, 2005 12:54 pm, edited 2 times in total.
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Postby dodecahedron on Thu Oct 20, 2005 5:50 am

and here's another one:
Sony 8x DVD-R SONY08D1 burned at 8x.

transfer rate tests at 12x and 16x very ugly!

i really don't know what to make of it

the Toshiba is picky on a variety of media when reading at high speeds (> 8x) ???
do you know of other media that reads (or doesn't) well at < 8x on this drive?

does it mean these burns are'nt good? or should i disregard transfer rate tests on the Toshiba at > 8x as an indicator of a good/bad burn?
Attachments
Sony-1 burned8 transferrate toshiba16.png
transfer rate on Toshiba @ 16x
double yuck!
Sony-1 burned8 transferrate toshiba16.png (51.86 KiB) Viewed 11670 times
Sony-1 burned8 transferrate toshiba12.png
transfer rate on Toshiba @ 12x
yuck!
Sony-1 burned8 transferrate toshiba12.png (49.84 KiB) Viewed 11671 times
Sony-1 burned8 transferrate toshiba8.png
transfer rate on Toshiba @ 8x
cool
Sony-1 burned8 transferrate toshiba8.png (49.07 KiB) Viewed 11672 times
Sony-1 burned8 discquality benq.png
disc quality test on BenQ DW1620
Sony-1 burned8 discquality benq.png (54.88 KiB) Viewed 11674 times
One Ring to rule them all, One Ring to find them,
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