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BDR-203/BDC-203 Command Reference Manual Version 0.90
Page 35
Bit
Byte
7 6 5 4 3 2 1 0
64 Reserved = 00h
Reserved Rotation Control #8
65
000000b 00b
66 (MSB)
67
Write Speed Supported #9
(LSB)
The Maximum Read Speed Supported field does not reflect the maximum read speed for each medium type and format. If no
disc is mounted in the drive, the field is set to the same value as DVD.
The Current Read Speed filed does not reflect the actual read speed. If no disc is mounted in the drive, the field is set to the same
value as DVD.
The Maximum Write Speed Supported field is set to the same value of the Write Speed Descriptor #1 data which is returned for
the GET PERFORMANCE command.
The Current Write Speed filed is set to the same value of the Write Performance data which is returned for the GET
PERFORMANCE command.
The Number of Logical Unit Write Speed Performance Descriptor Tables and The Logical Unit Write Speed Performance
Descriptors #1 - #8 are set to the suitable values by using the same algorism as the GET PERFORMANCE command.
4.13 PLAY CD Command
This command is defined in a legacy specification (MMC-2 Revision 10a).
4.14 READ (10), READ (12) Command
The RelAdr bit is not supported and must set to 0.
If the Streaming bit in the CDB of the READ (12) command is set to one, the FUA bit shall be set to zero. The setting of the
Streaming bit is no effect on the operation.
4.15 READ BUFFER Command
This command is used for checking the drive.
The specifications of this command are vendor unique.
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