Panasonic UJ-811 DVD Writer
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What is the DVD Write speeds? CAV, CLV, PCAV, ZCLV. Read our DVD Writer colum explanation.
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comments for this DVD Writer (click on the link to
read the comments):
1 BeAll 4xDVD-R (BeAll G40001) comments, 0 good, 0 mixed, 1 poor.
1 Leda 1xDVD-R (PRINCO......) comments, 1 good, 0 mixed, 0 poor.
1 Sony 1xDVD-RW (SONY000000U9) comments, 0 good, 0 mixed, 1 poor.
1 Traxdata 8xDVD-R (RITEKG05....) comments, 1 good, 0 mixed, 0 poor.
Post your DVD Media comments here
I don't want to rate it yet, because the jury is still out. I burned successfully using the software which came with my laptop. At switched to NEro 6 because a saleman talked me into it because it was faster and had more functionality. Does anyone know what settings Nero should be in for this to work. I tried capturing in DV, and I could not capture video. I can capture video in MPEG-2, but cannot write it to disk. I'm using Memorex disks which I've used successfully in the past. Thanks.
Comments posted by Ed from United States, October 28, 2005. Rated this writer No rating.
Folks, my UJ-811 drive has been functioning perfectly well for a year now, burning reliably on 4x disks with greatest compatibility of burned DVD on stand-alone players. Don't quite understand what other users are complaining about! My drive is in an ACER TravelMate 252LMi_DT notebook computer. Only irks me that neither AnyDVD or any other software can put the drive region-free... Does anybody know out there how this can be done? THANKS!
Comments posted by otth from Switzerland, March 10, 2005. Rated this writer 8 of 10.
Comments posted by Andrey from Russian Federation, February 16, 2005. Rated this writer 1 of 10.
This Mat(su)shita UJ-811 in Toshiba P25-S609 notebook. I would not recommend this DVD drive to anyone. It is my third one, they last about 4-5 months. The other two were replaced under warranty. Now my warranty has expired Im sure that the drive will die again soon, it has been about 3 months since last replacement.
Will only write reliably at 1x.
Will not write on any 8x media.
There are no firmware updates available for this drive in a Toshiba.
In short stay away.
Comments posted by Freeflyfreak from United States, December 20, 2004. Rated this writer 1 of 10.
Here in P25-S509, sometimes it works , sometimes not. It likes Imation, TDK, but have lot of problems with 4x media, i lost several 4x medias, with several softwares, like Nero, Alcohol, CloneDvd. And Toshiba doesn't support firmware upgrades for dvd drives.
Comments posted by Ghungha from Brazil, May 12, 2004. Rated this writer No rating.
Matsshita UJ-811 in Toshiba P25-S609 notebook. Burns movies to DVD-R, no problems. Windows Movie Maker, Interactual WinDVD Writer 2.
Comments posted by Shawn C from United States, January 17, 2004. Rated this writer 10 of 10.
| Column Explanation:
Click on this for more technical information.
New comments= New comments since your last visit.
New Writer = New DVD Writer since your last vist.
Original Equipment Manufacturer.
The manufacturer of the main chipset the DVD writer/recorder is based on.
Write support / Read support
DVD-R = Works
DVD-R? = Not tested
Single Layer(4.7GB) write speeds
1x (CLV) = about 58 minutes
2x (CLV) = about 29 minutes
2.4x (CLV) = about 24 minutes
4x (CLV) = about 14.5 minutes
6x (CLV/ZCLV) = about 10-12 minutes
8x (PCAV/ZCLV) = about 8-10 minutes
12x (PCAV/ZCLV) = about 6.5-7.5 minutes
16x (CAV/ZCLV) = about 6-7 minutes
Dual/Double Layer(8.5GB) write speeds
1x CLV = about 105 minutes
2.4x CLV = about 44 minutes
4x CLV = about 27 minutes
Single Layer (4.7GB) read speeds
1x read speed is 1.321MB/s = ~56 minutes
6x CAV (avg. ~4x) read speed is max 7.93MB/s = ~14 minutes
8x CAV (avg. ~6x) read speed is max 10.57MB/s = ~10 minutes
12x CAV (avg. ~8x) read speed is max 15.85MB/s = ~7 minutes
16x CAV (avg. ~12x) read speed is max 21.13MB/s = ~5 minutes
DVD Write types
CAV = Constant Angular Velocity, the DVD is written at a constantly increasing speed.
CLV = Constant Linear Velocity, the DVD is written at a constant speed.
ZCLV = Zone Constant Linear Velocity, the DVD is divided into zones. After each zone the write speed is increased.
PCAV = Partial Constant Angular Velocity, the DVD is being written at an increasing speed until a certain speed. After this speed it will not increase anymore.
Desktop = Standalone desktop DVD Recorder
EIDE = Computer DVD Writer with EIDE/IDE connection
SCSI = Computer DVD Writer with SCSI connection
USB = Computer desktop DVD Writer with USB 2.0 or/and 1.1 connection
FireWire = Computer desktop DVD Writer with IEEE 1394/FireWire/i.Link connection (some standalone desktop dvd recorder supports this also but then it is usually to connect your DV camera to the recorder)
The first rating is based on a weighted rank (the true Bayesian), it requires at least 5 votes to get a weighted rating.
The second rating between the ( ) is a normal average rating.