CD-DVD Speed Disc Quality (PI/PIF) Test

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Disc Testing Methods and Software Discuss, CD-DVD Speed Disc Quality (PI/PIF) Test at Blank Media forum; Thanks Erik for your great work. ET Last edited by Wesociety; 11-03-2005 at 09:01 . Reason: corrected my spelling, so your comment was no longer needed...

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eltranquil (CDFreaks Resident)
Posts: 4,533
Posted: 10-03-2005
Thanks Erik for your great work.

ET
Last edited by Wesociety; 11-03-2005 at 09:01. Reason: corrected my spelling, so your comment was no longer needed...
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Today (MyCE Staff)
Posts: 15,596
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epineda (New on Forum)
Posts: 8
Posted: 10-03-2005
I read through the whole thread but nothing with my problem.
I have a Benq 1620 using B7T9 and it averages around 1X for the scan. I've tried setting the speed to Maximum, 8X, and 4X, but the speed always starts around .71X, and slowly creeps up to around 1.3X. I see others scanning around 8X. How can I get my drive to scan faster?
ErikDeppe's Avatar
ErikDeppe (Opti Drive Control Author)
Posts: 372
Posted: 11-03-2005
Quote:
Originally Posted by SirQUK
cheers for the update erik.
Things are looking good for the NEC scanning . Is there a recommended speed yet?
The available speed settings are 1x CLV and 5x, 8x, 13x, 16x CAV.
1x is too slow, 13x and 16x settings are too fast, there's not much difference between 5x and 8x so the logical choice would be 8x.
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ErikDeppe's Avatar
ErikDeppe (Opti Drive Control Author)
Posts: 372
Posted: 11-03-2005
Quote:
Originally Posted by Dee-27
Looks pretty good too me Erik
Can you tell us if a 4X CLV scan will be possible on the NEC drives?
No, unfortunately not but normally the differences with different speed settings should not be too big, except with low quality discs.
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ErikDeppe's Avatar
ErikDeppe (Opti Drive Control Author)
Posts: 372
Posted: 11-03-2005
Quote:
Originally Posted by rdgrimes
Also, what is the NEC reporting as PI and PIF? Is it adding "PI +PIF = PI" or anything creative like that? Does it report POF?

Everybody chant: firmware....firmware....firmware, and maybe we'll get it.
PIFs are not added to the PI errors. But Nero CD-DVD Speed adds them if a low scanning interval is selected to make the scans more comparable with LiteOn scans.
But it doesn't make much differene because usually PIFs are much lower than PIEs.
Unfortunately NEC drives cannot report POF or jitter.

I am waiting for the new firmware versions to release the new version of Nero CD-DVD Speed so hopefully they will be available soon
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ErikDeppe's Avatar
ErikDeppe (Opti Drive Control Author)
Posts: 372
Posted: 11-03-2005
Quote:
Originally Posted by ripit
Could someone help me interprete some scans? I tried scanning through this thread but it's pretty long so I may have missed something. I don't fully understand how you go about interpreting results since diffrent drives scan and report diffrentlly. I am scanning on an aopen 1608/app.
It reported an average ecc scan interval of 16, so would this mean that for pi (it wont report po/pi falures) the limit would be 560 instead of 280 since it is twice the scanning interval?
It was set to 4x scan speed but the actual scan speed seemed to stay around 1.6x so how would I acount for the slower scan speed (and or is their a way to make the scan at 4x that I am missing)?
I should mention that I have been running kprobe scans for quite a while and generally understand how to read error scans. I'm just trying to get a feel for cdspeed and am trying to understand how to interpret scans that are not done by the standard ecc8/1 4x format since not all drives can do that.
Also, is their a thread that gives a good interpretation on how to read transfer rate tests?
Sorry for all the questions. I'm still trying to get a feel for cdspeed.
The cdspeed disk quality test and the transfer rate test I am posting were done on the aopen 1608/app (burner) and the kprobe is on my liteon 851s@832s.
The scanning performance has been greatly improved in recent firmware versions. With firmware A070 you should be able to scan at the selected speed.



PI errors are indeed up to two times higher compared with LiteOn scans because of the higher scanning interval.

The transfer rate test shows that UDMA is probably not enabled.
The speed should go to 12x.
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ErikDeppe's Avatar
ErikDeppe (Opti Drive Control Author)
Posts: 372
Posted: 11-03-2005
Quote:
Originally Posted by epineda
I read through the whole thread but nothing with my problem.
I have a Benq 1620 using B7T9 and it averages around 1X for the scan. I've tried setting the speed to Maximum, 8X, and 4X, but the speed always starts around .71X, and slowly creeps up to around 1.3X. I see others scanning around 8X. How can I get my drive to scan faster?
You need Nero CD-DVD Speed version 3.42 or higher to use the high performance scanning function of BenQ drives.
The current version is 3.70
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ripit (CD Freaks Elite)
Posts: 5,907
Posted: 11-03-2005
Quote:
Originally Posted by ErikDeppe
The scanning performance has been greatly improved in recent firmware versions. With firmware A070 you should be able to scan at the selected speed.


PI errors are indeed up to two times higher compared with LiteOn scans because of the higher scanning interval.

The transfer rate test shows that UDMA is probably not enabled.
The speed should go to 12x.
I tried a070 and it still scans at around 1.6x. One thing I noticed though. My drive is a micro advantage and it would seem that the micro advantage flasher may be diffrent. It looks identical to the aopen flasher but has micro advantage logo's etc. The latest firmware from micro advantage did identify as a070 when installed on the drive. I tried an aopen flasher (to flash to a previous firmware) but it didn't work. I'm assuming that it may be because it cannot flash backwards (I have been trying to get a hold of micro advantage tech support on that one).
As far as udma, it is running mulit-word dma mode 2. My hard drives are running the same though I could have sworn that they used to run udma mode 6? Does that sound like a problem?

Fyi thanks for the help and all the great work. I am among those that are eagerlly anticipating error scaning on the nec's as I have a 3500.
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MediumRare (CD Freaks Senior Member)
Posts: 316
Posted: 11-03-2005
Erik,
Seeing as there's a Linux version of Nero now, what are the chances of getting CD-Speed to run under Linux ?

G
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ala42 (MediaCodeSpeedEdit Author)
Posts: 4,723
Posted: 11-03-2005
Quote:
Originally Posted by ripit
As far as udma, it is running mulit-word dma mode 2. My hard drives are running the same though I could have sworn that they used to run udma mode 6? Does that sound like a problem?
Remove the ide controller in device manager and reboot so windows can redetect it.
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johnzap (CD Freaks Senior Member)
Posts: 498
Posted: 12-03-2005
Quote:
Originally Posted by MediumRare
Seeing as there's a Linux version of Nero now,
Really? Didn't knew of that, I'll have a look.

Quote:
what are the chances of getting CD-Speed to run under Linux ?
Yes, please, I spend more time with Windows XisPe opened because of DVD burning and testing than anything else. This way, less XP and more Linux.
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ripit (CD Freaks Elite)
Posts: 5,907
Posted: 12-03-2005
Quote:
Originally Posted by ala42
Remove the ide controller in device manager and reboot so windows can redetect it.
Ok so I did that and it way, big time changed it. What shows in device manager is completlly diffrent. I am no longer loking at the controler being the top of the chain. Cd devices have been seperated from hard drives and show independantlly in device manager. I cannot find how to check dma setings now. how do I proceed?
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GeoN (CD Freaks Member)
Posts: 210
Posted: 12-03-2005
Erik,
What is algorithm of average PI/PIF value calculation?
Could you explain this:
http://club.cdfreaks.com/showpost.ph...0&postcount=23
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pinkish (CD Freaks Junior Member)
Posts: 66
Posted: 14-03-2005
Hey guys, I hope nobody jumps up to hit me or anything, but i do seem to have a problem. I open up the latest version of Speed and i go to Deisc Quality Test... and the window loads but the Start button never becomes available. It stays grey (inactive). Why can't i use the software, d'you have any ideas?
My drive is a Pioneer 109. I have a DVD disc inserted (i've tried different discs, different versions of CD Speed... the one on the site, some from different installations of Nero... nothing
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rdgrimes (Retired Moderator)
Posts: 11,533
Posted: 15-03-2005
Quote:
Originally Posted by pinkish
Hey guys, I hope nobody jumps up to hit me or anything, but i do seem to have a problem. I open up the latest version of Speed and i go to Deisc Quality Test... and the window loads but the Start button never becomes available. It stays grey (inactive). Why can't i use the software, d'you have any ideas?
My drive is a Pioneer 109. I have a DVD disc inserted (i've tried different discs, different versions of CD Speed... the one on the site, some from different installations of Nero... nothing
This question is answered several times already in this thread. Your drive is not supported by CDSpeed.
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pinkish (CD Freaks Junior Member)
Posts: 66
Posted: 15-03-2005
Hey, thank you for replying. Ever since i've got this drive (Pioneer 109) i've been surfing forums and posting stuff and trying to see if there's a solution to the buffer problem. I admit i might have skipped some pages but it's been a 10 hour or more journey so i might have missed some replies.

Again, thanx for taking the time to respond.
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ErikDeppe (Opti Drive Control Author)
Posts: 372
Posted: 16-03-2005
Quote:
Originally Posted by MediumRare
Erik,
Seeing as there's a Linux version of Nero now, what are the chances of getting CD-Speed to run under Linux ?

G
There are plans for a Linux version but that may take a while.
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ErikDeppe (Opti Drive Control Author)
Posts: 372
Posted: 16-03-2005
Quote:
Originally Posted by GeoN
Erik,
What is algorithm of average PI/PIF value calculation?
Could you explain this:
http://club.cdfreaks.com/showpost.ph...0&postcount=23
The average value is calculated from the values which are shown on the graph.
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VeryBadBoy (CD Freaks Senior Member)
Posts: 376
Posted: 16-03-2005
Has anyone tried disc quality scans with CD-DVD Speed v3.70 and the Aopen 1648/AAP Pro drive? With mine using firmware v1.02 scanning a DVD+R or +RW the program locks up after scanning about 72% of the disc. I tried different speeds too and it still locks up even at a slow 4x scan speed. Regular speed graphs work fine, but the disc quality scan stops at 72%.
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GeoN (CD Freaks Member)
Posts: 210
Posted: 16-03-2005
Quote:
Originally Posted by ErikDeppe
The average value is calculated from the values which are shown on the graph.
Why so? Could you explain in more detail?
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Ocampa (New on Forum)
Posts: 1
Posted: 19-03-2005
Quote:
Originally Posted by ErikDeppe
Here is something many people have been waiting for: PI/PIF error testing with NEC drives.
Which version of FW is exactly required for NEC-3520A drivers? It doest work with 1.04 updated, I-O Data 1.26 and even not so with I-O Data 3.22
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TeoNOKIA (New on Forum)
Posts: 18
Posted: 19-03-2005
Quote:
Originally Posted by Ocampa
Which version of FW is exactly required for NEC-3520A drivers? It doest work with 1.04 updated, I-O Data 1.26 and even not so with I-O Data 3.22
It is not released yet
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Dee (Senior Administrator and Reviewer)
Posts: 10,323
Posted: 19-03-2005
NEC's OEM customers may not have requested PI/PIF scanning.
We have to wait on an official NEC firmware to see if this has been implemented.
NEC also promised an update this month to enable -R DL.
Lets wait and see if this update also includes PI/PIF scanning.
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pchilson (CDFreaks Resident)
Posts: 1,717
Posted: 19-03-2005
Clearly the firmware to support PI/PIF scanning has been "constructed".
Erik Deppe used it to build support for PI/PIF scanning in CD-DVD Speed.
It's possible NEC is not satisfied with their effort, otherwise they should just release it.
Non-capable firmwares have been built and released since the announcement of the PI/PIF scanning abilities.
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MediumRare (CD Freaks Senior Member)
Posts: 316
Posted: 24-03-2005
I suppose we shouldn't mix diagnostic tools, but here goes anyway. I really like the CD-Speed feature that allows you to create a custom data disk with a Nero *.nrg image file and have the transfer rate stored right on the disk!

So I used Nero Recode + Burning Rom to create an image of a video disc and burned it with CD-Speed. The subsequent quality scan with CD-Speed worked like expected and indicated the true size of the image (just slightly less than the maximum capacity).

Then I did a KProbe2 scan and found positioning/read errors for the last few MiB without real data on them. Apparently CD-Speed is setting the disc size to the maximum value somewhere. CD-Speed itself isn't bothered, but KProbe stumbles over this.

I first ran across this behaviour on a (reused) DVD+RW and thought that it was related to this format, but the same thing happens with write-once media.

Can someone shed some light on this behaviour?

Incidentally, an option in CD-Speed to use arbitrary data (like in the standard data option) to fill space left over after an NRG-image would be a big win: full discs with (mostly) useful data!

G
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