Lite-ON 24/10/40X USB 2.0
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| Posted by | Robin van Lieshout |
| Posted on | 21/05/02 11:47 |
| Number of views | 8006 |
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Reading scratched discs:
For this test we used an original game demo CD that was shipped with a computer game magazine. We used very fine sanding paper to get a lot of scratches on the disc. And then used the ScanDisc function in Nero CD-Speed. Below are some screenshots from various drives:
Lite-On LXR-24101A.
Toshiba SD-M1502 DVD-ROM.
Mitsumi CR-4809TE. Note that this drive do not support reporting damaged sectors, only readable or unreadable.
Asus E616 DVD-ROM.
Lite-On LTD-163D DVD-ROM.
Lite-On LTR-24102B.
Lite-On LTR-32123S.
Let us sum the result up, the Toshiba SD-M1502 came out as the total looser in this test, while the LTR-32123S was able to snag the first place. The other drives followed not long behind. The LXR-24101A was able to snag the 5th place, notice that it came out less then a percent worse than the LTR-32123S, which scored best in this test.
Reading a bad CD-R disc.
For this test we used a CD-R disc created with a LTR-24102B CD-Writer. The disc we uses was some noname crap with unknown speed certification, the disc was written at the speed that the smartburn technology picked (which was 24X). Here is the manufacturer information of the disc:
- ATIP: 97m 26s 00f
- Disc Manufacturer: Fornet International Pte Ltd.
- Reflective layer: Dye (Long strategy; e.g. Cyanine, Azo etc.)
- Media type: CD-Recordable
- Recording Speeds: min. unknown - max. unknown
- Nominal Capacity: 658.30MB (74m 56s 00f / LBA: 337050)
Lite-On LXR-24101A.
Toshiba SD-M1502 DVD-ROM.
Mitsumi CR-4809TE. Note that this drive do not support reporting damaged sectors, only readable or unreadable.
Lite-On LTR-24102B.
Lite-On LTD-163D DVD-ROM.
Lite-On LTR-32123S.
Asus E616 DVD-ROM.
Again the Toshiba SD-M1502 DVD-ROM came out as the total looser, while all the other stayed at 13,5% unreadable, the damaged percentage varied a bit, but it's still the unreadable percentage that is important since damaged sectors could still be read. As we could see it's the zone written at 20X that gives most of the reading problems, probably the drive was not calibrated correctly to write this media at that speed.
Summary:
The Lite-On LXR-24101A is pretty good at reading scratched bad discs. All we have to add is that the drive used extremely long time to read the bad discs compared to most others drives. During the reading process the drive spun up and down all the time, because of the look through window we could actually see that the disc stopped totally and then started rotating again. It was pretty fun to see the drive spinning up and down through the window, especially because of the swirl.
But now it's time to find out how good the drive is as a writer…
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Very nice review OC-Freak! Enjoyed reading it. Oh and nice pics by the way 
Posted by MP|3 on Saturday 01 June 2002 22:25
The pics were really a pain in the ass to get them right in the backend system
Great review though.
Great review though.
In order to backup Cactus Data Shield Audio CD's. I've found it helps to insert the CD with autorun enabled and allow it to start the built-in player. Stop the player, load CloneCD and copy the CD (make sure you don't have any fast error skip stuff enabled). This (for me at least) results in a copy of the CD which completely works 100% (and in fact can be backed up or ripped perfectly). 
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