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R11 Series Drive Command Reference Manual Version 1.00
Table 33 – Track/RZone Status Indications for +R/+RW/+R DL
+R/+R DL +RW
RT
Blan
k
Disc Status
Fragment
Status
Disc Status
0 0
Incomplete or
Complete
Non-blank
Incomplete or
Complete
Partially/Full
Formatted
0 1
Incomplete or
Empty
Blank
Incomplete
Empty
1 0 Incomplete
Partially
Recorded
Reserved
(invalid)
1 1 Incomplete Blank Reserved (invalid)
The LRA_V bit is always set to one for DVD-RAM, and the value set in The Last Recorded Address fields
was decided in Format Unit Command.
The NWA_V bit is always set to zero for +RW because the Next Writable Address field is invalid for such
type of media.
The LRA_V bit is always set to zero for +R/+RW because the Last Recorded Address field is invalid for
such type of media.
For CD-R/RW media written by SAO, the Track Size is computed as follows; TrackSize = PMAStopTime –
PMAStartTime – 2. This means the last 2 blocks are not encountered as same as the track written by TAO.
If the track is the incomplete track (i.e. RT=0), the Read Compatibility LBA is present. Read Compatibility
LBA is an approximation of a logical block address at or beyond a 30mm disc radius on L0. The host can
use this address as a minimal pad limit prior to closing the current session in order to maximize
compatibility with read-only devices. If the L0 The host can also use this address as a lower limit for the
Layer Jump address.
4.23 REQUEST SENSE Command
The drive returns the 22 bytes of Sense Data.
When Sense Key, Additional Sense Code and Additional Sense Code Qualifier field is set to 2/3A/00
MEDIUM NOT PRESENT or 2/04/01 LOGICAL UNIT IS IN PROCESS OF BECOMING READY, the Loading
information is set to Byte 21 in the Sense Data as following.
Table 34 – Loading Status
Byte 21 Loading Status
00h Tray Open
01h Loading
02h Unloading
03h Tray Close and no media
04h Reserved
05h Tray Close and Setup
10h Tray Close (or 02-3A-00)
11h Tray ERROR
4.24 RESERVE TRACK/RZONE Command
For +R/+R DL 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).
4.25 SEND DIAGNOSTIC Command
This command is defined in a legacy specification (SCSI-2).
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