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Posted by Dennis
Posted on 28/06/02 18:55
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Scratched/Low Quality Disc
 

It happens to all of us sooner or later: a disc is scratched and cannot be read properly anymore... In this test we took a CD-Recordable and (heavily) scratched it with some fine sandpaper. We then did a surface scan with Nero CD Speed and you can see the results below. First off let's start with the ATIP information from the used CD-Recordable:

  • ATIP: 97m 15s 11f
  • Disc Manufacturer: Ritek Co.
  • Reflective layer: Dye (Long strategy; e.g. Cyanine, Azo etc.)
  • Media type: CD-Recordable
  • Recording Speeds: min. unknown - max. unknown
  • Nominal Capacity: 702.83MB (79m 59s 74f / LBA: 359849)

Now for the achieved results. We read the disc with the VisionTek Xtasy 48X and then read the same disc with a PleXCombo PX-320A (firmware 1.01), a Yamaha CRW3200E (firmware 1.0d), a TEAC CD-W540E (firmware 1.0B), a Mitsumi CR-480ATE (firmware 1.0E) and a Toshiba SD-M1502 DVD-ROM (firmware 1012) for comparison. You can see the results in the screenshot below. Please note that damaged sectors can still be read. The important percentage is the one of the unreadable sectors. Of course the less, the better:

VisionTek Xtasy 48X Scratched Disc Test
VisionTek Xtasy 48X reading scratched disc

In the table below we've summed up our test results comparing them to other drives we've previously reviewed. Again, keep in mind that the important percentage is the one of the unreadable sectors. Of course the less, the better:

Scratched
Disc
 Good   Damaged   Unreadable 
 VisionTek 
Xtasy 48X
36.89%44.41%18.70%
Toshiba
 SD-M1502 
 35.84% 38.56%25.60%
 PleXCombo 
 PX-320A 
 64.58% -35.42%
Mitsumi
 CR-480ATE 
 59.87% -40.13%
TEAC
 CD-W540E 
 32.08% 27.38%40.54%
 Yamaha 
CRW3200E
48.59%-51.41%
 The grey area's indicate the least amount of unreadable sectors 
- : drive cannot report damaged sectors

To add a little more to our scratched data reading tests we've added another test for you. We wrote a low quality 74 minute CD-Recordable with the VisionTek Xtasy 48X drive using Nero Burning Rom. We disabled its SMART-BURN feature so errors would probably be created:

SMART-BURN Disabled

We then scanned the disc with Nero CD Speed using the following drives; the VisionTek Xtasy 48X (firmware VS06), a PleXCombo PX-320A (firmware 1.02), a TEAC CD-W540E (firmware 1.0C), a Mitsumi CR-480ATE (firmware 1.0E) and a Toshiba SD-M1502 DVD-ROM (firmware 1012). You can see the screenshots of all drives reading the low quality disc below:

VisionTek Xtasy 48X reading low quality disc
VisionTek Xtasy 48X reading low quality disc

TEAC CD-W540E reading low quality disc
TEAC CD-W540E reading low quality disc

PleXCombo PX-320A reading low quality disc
PleXCombo PX-320A reading low quality disc

Mitsumi CR-480ATE reading low quality disc
Mitsumi CR-480ATE reading low quality disc

Toshiba SD-M1502 reading low quality disc
Toshiba SD-M1502 reading low quality disc

In the table below we've summed up our test results again, comparing them to other drives we've previously reviewed. Again, keep in mind that the important percentage is the one of the unreadable sectors. Of course the less, the better:

Scratched
Disc
 Good   Damaged   Unreadable 
Toshiba
 SD-M1502 
 86.21% 13.79%0.0%
 VisionTek 
Xtasy 48X
59.44%40.56%0.0%
 PleXCombo 
 PX-320A 
 89.49% -10.51%
TEAC
 CD-W540E 
 66.21% 11.75%22.03%
Mitsumi
 CR-480ATE 
 60.34% -39.66%
 The grey area's indicate the least amount of unreadable sectors 
- : drive cannot report damaged sectors

Conclusion:

The VisionTek drive performs very well and has the least amount of unreadable sectors (18.70%) with the heavily scratched disc. When reading the low quality disc it was again very good and together with the Toshiba SD-M1502 DVD-ROM it was the only drive that could fully read the disc (compared to almost 40% damaged sectors the Mitsumi CR-480ATE reported). The Toshiba drive did have less damaged sectors so the VisionTek Xtasy 48X drive gets the second place here. Nevertheless an excellent result!

That concludes the reading part of our review. Now it's time to see how the VisionTek Xtasy 48X performs when writing discs...

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Reactions on this item
Nice review. I'd like to see some scandisc tests in your next review to see if the discs are being written to without errors. If there are errors, it would be nice to know even if the disc can be read.

Seems like smartburn isn't that smart. Might want to put that down as a con.
I really love your reviews.. thank you for your efforts!!!!
Seems like smartburn isn't that smart. Might want to put that down as a con.


If you had read the negative points you would have noticed we did mention that:

SMART-BURN feature isn't always correct


;)
Havn't had the time to read it yet but I must say: nice piece of work again!

Personnaly I think the price is a bit high and I think most freakers won't like this
Yeah you could get two real Lite-On LTR-48125W's for the price of one visiontek.......
I think it's great! I bought it! It's like .. the ONLY lite-on you can actually buy at stores! The ONLY cd burner that can burn my games that they sell at a store! :g
Don't care that I spent $140 on it.... its the best!
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