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R11 Series Drive Command Reference Manual Version 1.00
4.31 WRITE (10), WRITE (12) Command
The RelAdr bit is not supported and must be set to zero.
If the Streaming bit in the CDB of the WRITE (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.
When a formatted CD-RW disc or a formatted DVD-RW disc or a DVD-RAM disc or a +RW disc is mounted,
if the WRITE (10), WRITE (12) Command that cause the writing buffer over run condition is received, the
execution of these commands is deferred until the blank area of the buffer grows to be able to receive the
data.
When the other disc is mounted, if the WRITE (10), WRITE (12) Command that cause the writing buffer
over run condition is received, these command is terminated with Check Condition status, LOGICAL UNIT
NOT READY, LONG WRITE IN PROGRESS (2/04/08). If the Host receives this error code, the Host waits
several time and needs to resend same command.
The minimum waiting time shows in following list. If this value is used, the size of empty area on the
Writing Buffer becomes 128KBytes or more.
Table 44 - Value of Minimum Waiting Time
MEDIA WRITING SPEED
Minimum waiting time
(msec)
16x 6
8x 12
4x 25
2x 50
DVD-R/RW
1x 100
32x 27
24x 36
16x 55
8x 110
CD-R/RW
4x 220
4.32 WRITE BUFFER Command
This command is used for checking the drive or firmware update.
The specifications of this command are vendor unique.
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