[Mt Fuji/MMC] BD MMC proposal for INCITS 1.11

David Burg daviburg at windows.microsoft.com
Tue Nov 11 10:17:22 PST 2008


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Hi,
I am looking at the proposal document distributed at this month's meeting.
The read and write feature descriptor bits have been re-purposed from disc
classes and versions to specific bits for given disc standard. 4 of these
bits were actually defined for reading and 2 for writing.
Are these bits actually mapping exactly to the formerly reported classes and
versions?
Interestingly, BD-RE Version 1 media can be reported as readable, but not
writable. Looks like legacy even before this standard is released - weird.
Why not making this bit obsolete as well?
Also, the BD Write Feature version needs to be increased from 0 to 1.
With regards,
David.



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