ForumLite-On LH-20A1S detail information
| Posted by | Wendy Collins |
| Posted on | 17/06/07 13:30 |
| Number of views | 42082 |
| Manufacturer | Lite-On |
| Product | Lite-On LH-20A1S |
| Description | 20x 8x 8x / 20x 8x 6x / 12x /16x + 48x 32x 48x Serial ATA DVD-Dual, supports DVD-RAM |
The specifications of the Lite-On LH-20A1S state that the drive is able to write CD-R discs at 48x and CD-RW at 32x. Let us find out how the drive really performs in speed and quality.
Writing Data CD-R discs:
Write quality:
We will test CD-R discs from many different CD-R manufacturers. To really measure the write speed, we used the “create data CD” function in Nero CD-Speed. The discs were written at the maximum speed that the drive supports. For the quality test, we used K-Probe 2 which is a tool developed by a Lite-On employee. It runs under Windows and works with drives made by Lite-On. Also note that different drives and different reading speeds may affect the results obtained when scanning the discs. We used a Lite-On SOHR-5238S drive with firmware 4S09 and scanned the discs at 48X speed.
A written CD-R disc will always have some C1 errors; C1 errors are easily corrected by the drive’s error correction capabilities. The next level of errors is C2, while C2 errors could also be corrected by most drive’s error correction capabilities; they are not wanted on a good quality disc. A good disc should not contain any C2 errors, and preferably have an average C1 error amount of below 2.0 for the best discs, or at least below 10.0 averages for good quality discs. After C2 errors, there are only un-correctable errors that will make a disc unusable.
Below are the obtained results:
|
Brand: |
Unbranded Printable. Thanks to SVP UK for sending us this media |
|
Manufacturer: |
Taiyo Yuden |
|
Code: |
97m24s01f |
|
Disc Type: |
CD-R |
|
Recording Layer: |
Dye Type 1: Long Strategy (Cyanine, AZO) |
|
Capacity: |
79:59.72 (703MB) |
|
Certified Speed: |
48x |
|
Write Speed: |
48x (CAV) |
|
Write Time: |
2m:39s |
|
C1 Average/Sec: |
0.10 |
|
C2 Average/Sec: |
0.0 |
An excellent result to start our CD-R quality tests, (highly recommended).
|
Brand: |
Verbatim Super AZ0+Crystal DL – Thanks to Verbatim UK for sending us this media. |
|
Manufacturer: |
Mitsubishi Chemicals Corporation |
|
Code: |
97m34s23f |
|
Disc Type: |
CD-R |
|
Recording Layer: |
Dye Type 3: Long Strategy (Cyanine, AZO) |
|
Capacity: |
79:59.70 (703MB) |
|
Certified Speed: |
52x |
|
Write Speed: |
48x (CAV) |
|
Write Time: |
2m:38s |
|
C1 Average/Sec: |
1.93 |
|
C2 Average/Sec: |
0.0 |
The write quality on the Verbatim 52x media is very good.
|
Brand: |
RICOH – Thanks to RICOH Europe (BV) for sending us this media. |
|
Manufacturer: |
Moser Baer India Limited |
|
Code: |
97m17s06f |
|
Disc Type: |
CD-R |
|
Recording Layer: |
Dye Type 6: Short Strategy (Phthalocyanine) |
|
Capacity: |
79:59.74 (703MB) |
|
Certified Speed: |
1x-52x |
|
Write Speed: |
48x (CAV) |
|
Write Time: |
2m:39s |
|
C1 Average/Sec: |
1.80 |
|
C2 Average/Sec: |
0.0 |
Our RICOH media manufactured by Moser Baer India has burned with very good quality.
|
Brand: |
BenQ – Thanks to Daxon (Taiwan) for sending us this media. |
|
Manufacturer: |
Daxon |
|
Code: |
97m22s67f |
|
Disc Type: |
CD-R |
|
Recording Layer: |
Dye Type 7: Short Strategy (Phthalocyanine) |
|
Capacity: |
79:59.70 (703MB) |
|
Certified Speed: |
48x |
|
Write Speed: |
48x (CAV) |
|
Write Time: |
2m:40s |
|
C1 Average/Sec: |
0.34 |
|
C2 Average/Sec: |
0.0 |
Once again we have an excellent result, (highly recommended).
|
Brand: |
Infiniti Printable – Thanks to Medea |
|
Manufacturer: |
SKC |
|
Code: |
97m26s26f |
|
Disc Type: |
CD-R |
|
Recording Layer: |
Dye Type 6: Short Strategy (Phthalocyanine) |
|
Capacity: |
79:59.09 (703 MB) |
|
Certified Speed: |
52x |
|
Write Speed: |
48x (CAV) |
|
Write Time: |
2m:38s |
|
C1 Average/Sec: |
1.64 |
|
C2 Average/Sec: |
0.0 |
Another excellent result (highly recommended).
Writing Quality with Re-Writable discs:
|
Brand: |
Verbatim Ultra speed 32x – Thanks to Verbatim UK for sending us this media. |
|
Manufacturer: |
Mitsubishi Chemicals Corporation |
|
Code: |
97m34s25f |
|
Disc Type: |
Ultra Speed CD-RW 32x |
|
Recording Layer: |
Phase Change |
|
Capacity: |
79:59.74 (703MB) |
|
Certified Speed: |
32x |
|
Write Speed: |
32x (Z-CLV) |
|
Write Time: |
3m:41s |
|
C1 Average/Sec: |
1.48 |
|
C2 Average/Sec: |
0.00 |
The result is excellent (highly recommended).
Summary:
CD-R writing quality and media compatibility is very good/excellent with the Lite-On LH-20A1S and CD-RW was also excellent with our tested media.
Now let’s head on to the next page where we will test DVD recordable performance….
Reading Performance
Are editing those pictures to mislead poeple or wot!?
I am in the process of sending back a 600 pack of 'Bulkpaq 8X DVD+R' to SVP because I cannot get a single disc to burn past the lead in stage. Tried with old AND updated firmware.
Unless I've been very unlucky I'd say its an awful drive
Since then I have now purchased Verbatim Discs with the completely identical results.
Absolutely horrible piece of hardware this Lite-on garbage turned out to be for me. Never again!!
Judging the drive just by some cheap media isn't very logical. Try at least four different DVD media (incl. brands)
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