detail information
| Posted by | Tor Magne |
| Posted on | 25/04/05 16:29 |
DVD+R Dual Layer
writing speed and compatibility:
The Lite-On SOHW-1673S supports 4x DVD+R double layer writing speed; let us see how it performs quality and speed wise.
Testing procedure: We created a new compilation using Nero 6 and wrote it using the Disc-at-once writing method:
Verbatim DVD+R9 Double layer 2.4x written at 4x. Total writing time is 27 minutes and 45
seconds.
|
Brand: |
Verbatim Data Life Plus |
|
Manufacturer: |
Mitsubishi (Taiwan) |
|
Code: |
MKM 001 |
|
Disc Type: |
DVD+R DL |
|
Capacity: |
8152MB |
|
Certified Speed: |
2.4x |
|
Write Speed: |
4x |
|
Write Time: |
27m:45s |
|
PI-8 errors Average/Sec: |
2.05 |
|
PI-8 uncorrectable errors(PO) Avg/Sec: |
0.10 |
No problems with verbatim double layer media.
|
Brand: |
Traxdata - thanks to traxdata for providing it. |
|
Manufacturer: |
Ritek |
|
Code: |
Ritek.D01 |
|
Disc Type: |
DVD+R DL |
|
Capacity: |
8152MB |
|
Certified Speed: |
2.4x |
|
Write Speed: |
4x |
|
Write Time: |
26m:51s |
|
PI-8 errors Average/Sec: |
42.81 |
|
PI-8 uncorrectable errors(PO) Avg/Sec: |
8.94 |
Looks like Ritek still have manufacturing problems with their double layer media, or maybe the problems are due to the fact that the disc was written at 4x and not 2.4x? But let us try another Ritek made Double layer disc of another brand, to see if that changes anything.
|
Brand: |
That's Write! - Thanks to That's Write! for providing it. |
|
Manufacturer: |
Ritek |
|
Code: |
Ritek.D01 |
|
Disc Type: |
DVD+R DL |
|
Capacity: |
8152MB |
|
Certified Speed: |
2.4x |
|
Write Speed: |
4x |
|
Write Time: |
27m:12s |
|
PI-8 errors Average/Sec: |
36.60 |
|
PI-8 uncorrectable errors(PO) Avg/Sec: |
1.28 |
Better, but we could see that picky drives like the Plextor PX-712A may have reading problems.
|
Brand: |
Imation |
|
Manufacturer: |
Ritek/Ricoh |
|
Code: |
RICOHJPND00 |
|
Disc Type: |
DVD+R DL |
|
Capacity: |
8152MB |
|
Certified Speed: |
2.4x |
|
Write Speed: |
2.4x |
|
Write Time: |
44m:27s |
|
PI-8 errors Average/Sec: |
123.80 |
|
PI-8 uncorrectable errors(PO) Avg/Sec: |
6.21 |
These Ricoh/Ritek Double layer discs were troublesome, first disc failed, and then we tried Nero, failed as well at the layer change. Third disc wrote successfully at least, but the quality is not good. Looks like Lite-On need to optimize their drive for this media, or maybe Ricoh/Ritek needs to improve the media as well?
Here are some comparison results against other drives:
|
Drive |
Size |
Writing
|
Writing |
Book |
KProbe |
Kprobe |
|
BenQ |
8152MB |
4x |
27m:26s |
DVD-ROM |
2.21 |
0.17 |
|
Pioneer |
8152Mb |
4x |
27m:02s |
DVD-ROM |
2.42 |
0.11 |
|
Samsung |
8103 MB |
2.4x |
43m:46s |
DVD+DL |
8.26 |
0.01 |
|
Philips |
8103 MB |
2.4x |
44m:08s |
DVD-ROM |
3.31 |
0.01 |
|
Mad
Dog |
8131 MB |
4x |
26m:44s |
DVD-ROM |
2.74 |
0.12 |
|
Memorex |
8131 MB |
2.4x |
43m:48s |
DVD-ROM |
2.82 |
0.03 |
|
Aopen |
8103 MB |
2.4x |
44m:01s |
DVD-ROM |
4.12 |
0.12 |
|
LG |
8103 MB |
4x |
26m:55s |
DVD-ROM |
1.81 |
0.01 |
|
Lite-On |
8152Mb |
4x |
27m:09s |
DVD-ROM |
2.61 |
0.15 |
|
LG |
8152Mb |
4x |
27m:06s |
DVD-ROM |
2.23 |
0.02 |
|
Lite-On |
8152Mb |
4x |
27m:45s |
DVD-ROM |
2.05 |
0.10 |
The Verbatim Double Layer disc worked fine in our standalone player, as long as we set the book type to DVD-ROM.
Summary: Stick to quality Verbatim made media and you will not have any problems, but try to avoid the lower quality Ritek media.
Before we complete this review, let us run the drive through some advanced tests at next page…
DVD-Writing performance continued
Nice review
There again there have been two firmware updates (which don't explain the changes) so this could have improved things I guess?
I'm happy with the drive & have prefered Liye-On for years - they have never let me down. maybe the SOWH-1693 will be better?
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