BW+Plex Premium - How it does SecuRom 4.8+ - Club CDFreaks

*Portmac* · 25-10-2003

For those who have ever wondered how BlindWrite works with the Plex Premium to backup SecuRom 4.8+ read below.

Quote:

It was discovered on a beta firmware of this drive that the speed of the motor could be locally adjusted during the write. This was made possible because Plextor, for some techniques used in the premium needed to generate speed synchro totally decorrelated to the media.

Usually, the speed of writing is finely adjusted with an information that exists on the writable media, called ATIP - this information is a wobble signal that sync in the motor. On the premium, when you set the speed to *4, and you use Gigarec, the atip is no longer used by the drive, so it's possible to vary locally the speed, thus it affect the density of the sectors.

Also, you can extract a new .BWA file from the copy made with Plextor Premium and BlindWrite 4.5.3 and above (also BlindWrite5). If the Twinpeak method were used this would not be possible.

ColdBrew · 28-10-2003

Interesting, but his part is not completely true. I've made a copy from a twinpeaked CD. I made the image from the disk that did not use twinpeak and then made the BWA file from twinpeaked CD. Work just as well as the orignal copy. I will admit that it does require two CD's (one twinpeaked and one not) to make the copy. And that if done with the PP, it would be possible with just one.

Quote:

Also, you can extract a new .BWA file from the copy made with Plextor Premium and BlindWrite 4.5.3 and above (also BlindWrite5). If the Twinpeak method were used this would not be possible.

ProfessorX · 02-12-2003

can anyone in the BW team confirm whether or not Sanyo's HD Burn could support writing of the bwa for Securom 4.84.84 and above (aka Gigarec)?

http://www.sanyo.co.jp/koho/hypertex...e/0925-2e.html

*kamikazee* · 02-12-2003

Quote:

can anyone in the BW team confirm whether or not Sanyo's HD Burn could support writing of the bwa for Securom 4.84.84 and above (aka Gigarec)?

I asked the devloper himself and this is his answer

Quote:

because HD burn is VERY different. HD Burn is a proprietary format, but gigarec (the stuff I use in premium) is not the same

ProfessorX · 02-12-2003

thanx for the reply - shame about the answer

genjai · 02-12-2003

That was strange. I have made many backups using the twinpeak method, and i've always needed only one cd for installing and playing
(i know some drives has problems reading this kind of disc, but i never encountered one)
And loading of the cd's never took more than 5 seconds compared to the original cd (and that is max 5 seconds).
And I even 1 time copyed a backup made using the twinpeak method and burned it using the twinpeak method.
And ofcourse it worked

02-12-2003	#3 (permalink)
ProfessorX CD Freaks Member Join Date: Oct 2002 Location: UK Posts: 179	Premium alternative? The Sanyo HD-Burn can anyone in the BW team confirm whether or not Sanyo's HD Burn could support writing of the bwa for Securom 4.84.84 and above (aka Gigarec)? http://www.sanyo.co.jp/koho/hypertex...e/0925-2e.html __________________ Sony AW-G170A Athlon 3800 1Gb 2.5ns CAS Corsair (PC3200 Dual Channel mode) ATI Radeon X1800XTX Windows XP Pro SP2

02-12-2003	#5 (permalink)
ProfessorX CD Freaks Member Join Date: Oct 2002 Location: UK Posts: 179	thanx for the reply - shame about the answer __________________ Sony AW-G170A Athlon 3800 1Gb 2.5ns CAS Corsair (PC3200 Dual Channel mode) ATI Radeon X1800XTX Windows XP Pro SP2

02-12-2003	#6 (permalink)
genjai CD Freaks Senior Member Join Date: May 2002 Location: Here Posts: 384	That was strange. I have made many backups using the twinpeak method, and i've always needed only one cd for installing and playing (i know some drives has problems reading this kind of disc, but i never encountered one) And loading of the cd's never took more than 5 seconds compared to the original cd (and that is max 5 seconds). And I even 1 time copyed a backup made using the twinpeak method and burned it using the twinpeak method. And ofcourse it worked __________________ -gencipher You can reach me on MSN Messenger or by email. Just add gencipher@hotmail.com NEW My BW5 Profiles can be found here Disclaimer: By reading the post above and anything else i write, you agree to not hold me or any of my data or content providers liable for any errors or any actions taken in reliance thereon. Data and information is provided for informational purposes only. I shall not be held liable for any damages or costs of any type arising out of or in any way connected with reading my post or anything else by me.

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