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NEC ND-3520A - Modified vs. stock firmware
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Posted by Jan S.
Posted on 30/01/05 17:36
Number of views 30953
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 Conclusion
 Introduction
 Facts - Modified firmware
 KProbe explained
 DVD+R writing
 DVD-R writing
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DVD R writing
 

DVD-R Writing quality:

MCC 02R G20:

 

Stock Firmware / Modified Firmware

Stock Firmware

Modified Firmware

 

Stock Firmware / Modified Firmware

Firmware:

NEC ND-3520 A
with Stock firmware

NEC ND-3520 A
with Modified Firmware

Brand:

Verbatim

Verbatim

Manufacturer:

Mitsubishi Chem. Corp.

Mitsubishi Chem. Corp.

Code:

MCC 02R G20

MCC 02R G20

Disc Type:

DVD-R

DVD-R

Capacity:

4483MB

4483MB

Certified Speed:

8x

8x

Write Speed:

12x

12x

Write Time:

6m:37s

6m:36s

PI-8 errors Average/Sec:

6.11

6.14

PI-1 failures (PIF) Avg/Sec:

0.02

0.02

The average PI/PIF results are almost equal and the reading curves are very good.

RITEK G04:

 

Stock Firmware / Modified Firmware

Stock Firmware

Modified firmware

 

Stock Firmware / Modified Firmware

Firmware:

NEC ND-3520 A
with Stock firmware

NEC ND-3520 A
with Modified Firmware

Brand:

Traxdata

Traxdata

Manufacturer:

Ritek Corporation

Ritek Corporation

Code:

RITEK G04

RITEK G04

Disc Type:

DVD-R

DVD-R

Capacity:

4483MB

4483MB

Certified Speed:

4x

4x

Write Speed:

4x

12x

Write Time:

14m:33s

6m:38s

PI-8 errors Average/Sec:

3.10

2.35

PI-1 failures (PIF) Avg/Sec:

0.02

0.01

This is interesting. The stock firmware burned this disc at 4x and the modified firmware at 12x - meaning it is 7 minutes and 55 seconds faster. And from the quality result - we can see that the modified firmware did a better job on average PI and PIF errors. Both discs shows an very good reading curve though. 

SONY 08D1:

 

Stock Firmware / Modified Firmware

 

Stock Firmware

Modified Firmware

 

Stock Firmware / Modified Firmware

Firmware:

NEC ND-3520 A
with Stock firmware

NEC ND-3520 A
with Modified Firmware

Brand:

BenQ

BenQ

Manufacturer:

Sony Corporation

Sony Corporation

Code:

SONY 08D1

SONY 08D1

Disc Type:

DVD-R

DVD-R

Capacity:

4483MB

4483MB

Certified Speed:

8x

8x

Write Speed:

16x

16x

Write Time:

5m:42s

5m:47s

PI-8 errors Average/Sec:

4.35

87.16

PI-1 failures (PIF) Avg/Sec:

0.04

0.12

We believe the media burned with the modified firmware came from a bad batch since there are no relations when we compare it to the one burned with the stock firmware. And we can clearly see that average PI error is very high on the disc burned with the modified firmware.

 

Let us head on to the last page to read the conclusion…

DVD+R writing
Conclusion
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Reactions on this item
Posted by BoSkin on Sunday 30 January 2005 23:41
"...in most cases the STOCK firmware has the edge on quality, showing fewer errors on a burned media."

To me, this is the most important thing,
in other words this is what counts, not, let's say, the like 0,37% write speed gain and kinda "saved" 7-8 seconds.
Mostly, I have something else to do when burning stuff.
:g
Posted by Mender on Thursday 03 February 2005 00:50
An excellent comparison article. This is the sort of information I like to see:)
Posted by Zim33 on Saturday 12 February 2005 05:21
Great info, but I'd also like to see data READ capability compared, too.
Posted by J37HR0 on Thursday 17 February 2005 01:27
Thank you so much for this comparison. I really liked the side by side comparisons.

Excellent Job.
Posted by danbo on Saturday 19 February 2005 05:55
"...in most cases the STOCK firmware has the edge on quality, showing fewer errors on a burned media." "To me, this is the most important thing, "

Some of us actually CARE about bitsetting!
:d
Posted by RaHzElChO on Friday 10 June 2005 16:53
:B
Posted by Skeleton (guest) on Friday 20 April 2007 09:46
my nec3520a works excelent now. i tried burning dvd-r at 16x and it works excelent. before i had problems. i tried for the first time to write one image of 7.5 gb on one dvd+r dl verbatim. on read test it did not make it. sugestions? :r
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