Region Lock in RPC-2 DVD Drives

[Mediafox]

Hello,

I have some questions about the region lock in RPC-2 DVD drives:

1. How exactly does the hardware region lock work?

2. What does AnyDVD do to bypass it, in comparison to DVD Region Killer, which works only with region-free drives?

3. How do the region locks of Matshita drives etc. work, so that even region-free software cannot bypass it?

4. Are still DVD drives/burners available that work with the reset tool LtnRPC? I heard newer LiteOn models no longer worked with it. Are there other DVD drives/burners available that can be reset without patching the firmware? I really would like to know it, so PLEASE DON'T just answer, "With AnyDVD, you don't need that."

5. Some PC users have two drives with different DVD Regions on their PC. But since Windows has its own Region counter, doesn't this mean complications when one drive Region does not match the Windows DVD Region?

 

[Ch3vr0n]

1) Simple. A region prevents playback from other regions, (unless the region code is removed through Anydvd). Region 0 does NOT mean region FREE
2) That's proprietary technology, all we need to know is that anydvd removes the region lock from DVD's.
3) Same way non-matshita drives work, only difference is that there is something hardcoded into the firmware of the drive that even with a set region it still prevents anydvd from properly being able to remove the region
4) no clue
5) Windows doesn't have it's own region counter, all it does is display the region changes the DRIVE tells windows it has left. All you do in windows is pick a country, windows sends a command and the drive sets its region. No more, no less. Don't know where you got that but it's a load of bollocks. Windows doesn't have a DVD region either, the DRIVE does and ONLY the drive. You can have multiple drives with different regions just fine without any problem.

 

[James]

Hello,

I have some questions about the region lock in RPC-2 DVD drives:

1. How exactly does the hardware region lock work?

Panasonic (Matsushita): Encrypted sectors fail to read, if region code does not match.
Others: Key exchange is blocked, if region code does not match, as required by the standard.

2. What does AnyDVD do to bypass it, in comparison to DVD Region Killer, which works only with region-free drives?

Brute force decrypt. Works 99% of the time. Can take longer, so AnyDVD has a CSS key database.

3. How do the region locks of Matshita drives etc. work, so that even region-free software cannot bypass it?

Panasonic: Encrypted sectors fail to read. AnyDVD can't do the magic, if no data is delivered.

5. Some PC users have two drives with different DVD Regions on their PC. But since Windows has its own Region counter, doesn't this mean complications when one drive Region does not match the Windows DVD Region?

Windows region code is only used with RPC-1 drives. With RPC-2 it "trusts" the drive. That's why AnyDVD emulates a RPC-2 drive.

 

[Mediafox]

Thank you for the information.

Another question: How does the Region counter of a RPC-2 drive work (A locked drive with 0 changes left cannot be reset by reinstalling Windows or by using with another PC, so the drive must save the number of changes somewhere)?
Why are there "user" changes and "vendor" changes , the latter usually not available for users?

 

[Ch3vr0n]

Region changes are stored in the drive's firmware, once the counter hits zero the drive region stays at the last assigned region permanently. Vendor/user changes are the same thing. The vendor/manufacturer determines how many changes are allowed and the user uses them. Different word, same thing.

Verstuurd vanaf mijn Nexus 7 met Tapatalk

 

[James]

Region changes are stored in the drive's firmware,

non volatile memory, to be more precise. Anyhow, the region code & counters are stored inside the drive.