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DVR-108BK?10PK
R8 Series Drive Command Reference Manual
Version 0.90
Page 40
4.23 RESERVE TRACK/RZONE Command
For +R media, up to 15 or 16 fragments can exist in every session. When the session is opened by a WRITE command, up to 15
fragment can exist. When the session is opened by a RESERVE TRACK/RZONE command, up to 16 fragment can exist. Because the
last fragment in each session cannot be reserved, the limit number of fragments which can be reserved in a session is 14 or 15. When
the limit number of complete or reserved fragments are already exist in the session, the RESERVE TRACK/RZONE command is
terminated with Check Condition and SK/ASC/ASCQ will be set to ILLEGAL REQUEST/NO MORE RESERVATION (5/72/05).
fragment can exist. When the session is opened by a RESERVE TRACK/RZONE command, up to 16 fragment can exist. Because the
last fragment in each session cannot be reserved, the limit number of fragments which can be reserved in a session is 14 or 15. When
the limit number of complete or reserved fragments are already exist in the session, the RESERVE TRACK/RZONE command is
terminated with Check Condition and SK/ASC/ASCQ will be set to ILLEGAL REQUEST/NO MORE RESERVATION (5/72/05).
4.24 SEND DIAGNOSTIC Command
This command is defined in a legacy specification (SCSI-2).
4.25 SEND DVD STRUCTURE Command
The Format field indicates the type of information that is sent to the device.
Table 31 - Format Code definitions for SEND DVD STRUCTURE Command
Format Code
Data
Description
04h
User Specific Data
Send User Specific Data to the RMD cache
0Fh
Timestamp
Send data to the RMD cache
20h
L0 Data Zone Capacity
Send L0 data zone capacity
C0h
Write Protection
Send PWP status
4.26 SET CD SPEED Command
The drive can not specify the reading speed by any Packet command. The setting of Logical Unit Read Speed field is ignored. The
reading speed is determined by the drive.
reading speed is determined by the drive.
This command changes the writing speed for CD-R/RW media. It does not effect to the writing speed for DVD-R/-RW and +R/+RW
media.
media.
The available writing speed may be restricted by the drive when the characteristic of media is not suitable for the speed.
Table 32 – Available Writing speed for each media
Media
Available Writing Speed
Comments
CD-R
32x ZCLV, 24x ZCLV, 16x CLV,
10x CLV, 4x CLV
CD-RW (1 - 4x)
4x CLV
CD-RW High Speed
10x CLV, 4x CLV
CD-RW Ultra Speed
24x ZCLV, 20x ZCLV, 16x CLV,
10x CLV
Table 33 – Parameters to set Writing speed for CD-R/RW
Logical Unit Writing
Speed
CD-R Writing
Speed
CD-RW Writing
Speed
DVD-R/-RW and +R/+RW
Writing Speed
0000h – 06E3h
4x CLV
4x CLV
06E4h – 0B06h
10x CLV
10x CLV
0B07h – 0DC7h
16x CLV
0DC8h – 1089h
16x CLV
20x ZCLV
108Ah – 160Ch
24x ZCLV
160Dh – FFFFh
32x ZCLV
24x ZCLV
Remains previous setting