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DVR-108BK?10PK
R8 Series Drive Command Reference Manual
Version 0.90
Page 14
4.3 FORMAT UNIT Command
The CmpLst bit is not supported and must be set to zero.
The Interleave Value field is not supported and must be set to zero.
The Format Code field allows the value of 001b and 111b. If Format Code field is set to 001b and a CD-RW or a DVD -RW media is
mounted, the drive conforms for the definition of SFFC INF-8090i. If Format Code is set to 001b and a +RW media is mounted, the
drive conform for the definition of MMC-4. If Format Code is set to 111b and CD-RW media is mounted, the drive conforms for
legacy specifications which is described in the definition of MMC-4.
mounted, the drive conforms for the definition of SFFC INF-8090i. If Format Code is set to 001b and a +RW media is mounted, the
drive conform for the definition of MMC-4. If Format Code is set to 111b and CD-RW media is mounted, the drive conforms for
legacy specifications which is described in the definition of MMC-4.
The drive supports following Format Type for each media.
Table 4 - Format Code = 001b
Format
Type
Name
Support for
CD-RW
media
Support for
DVD -RW
media
Support for
+RW media
+RW media
00h
Full Format
yes
yes
no
10h
C/DVD-RW Full Format
yes
yes
-
11h
C/DVD-RW Grow Session/Border
no
no
-
12h
C/DVD-RW Add Session/Border
no
no
-
13h
DVD-RW Quick Grow the last Border
-
yes
-
14h
DVD-RW Quick Add Border
-
no
-
15h
DVD-RW Quick
-
yes
-
Table 5 - Format Code = 111b (CD-RW only)
Sess bit
Grow bit
Support for CD-RW media
0
0
Yes
0
1
No
1
0
No
1
1
No
The Format Unit parameter list shall be transferred from the Host to the drive. The data sent to the drive consists of a Format List
Header, followed by one Format descriptor, so the parameter list length is always 12 bytes. When the Format Options Valid (FOV)
bit in the Format List Header is set to one, the DPRY, DCRT, STPF, IP, Try -out, and VS shall be set to zero. In this case, the format
operation is performed with an Immed function specified by the Immed bit. When the FOV bit is set to zero, the DPRY, DCRT,
STPF, IP, Try -out, Immed, and VS shall be set to zero. In this case, the format operation is performed with the drive’s internal default
setting. The default setting of Immed function is one. Even if the format operation is requested with the FOV bit set to one, the
drive’s default setting itself will not be changed.
Header, followed by one Format descriptor, so the parameter list length is always 12 bytes. When the Format Options Valid (FOV)
bit in the Format List Header is set to one, the DPRY, DCRT, STPF, IP, Try -out, and VS shall be set to zero. In this case, the format
operation is performed with an Immed function specified by the Immed bit. When the FOV bit is set to zero, the DPRY, DCRT,
STPF, IP, Try -out, Immed, and VS shall be set to zero. In this case, the format operation is performed with the drive’s internal default
setting. The default setting of Immed function is one. Even if the format operation is requested with the FOV bit set to one, the
drive’s default setting itself will not be changed.
4.3.1 Format Code = 001b
4.3.1.1 Format Type = 00h (Full Format)
Formatting for the entire media is specified. The Number of Blocks field specifies the number of addressable blocks for the entire disc
and the Type Dependent Parameter field specifies the Block Length.
and the Type Dependent Parameter field specifies the Block Length.
If the Immed function is set to zero, the drive will return the status after the format operation has completed. If the Immed bit is set to
one, the drive will return the status as soon as the command descriptor block has been validated, and the entire Format Descriptor has
been transferred.
one, the drive will return the status as soon as the command descriptor block has been validated, and the entire Format Descriptor has
been transferred.
The READ DISC INFORMATION Command, the READ TRACK/RZONE INFORMATION Command and the TEST UNIT
READY Command is used to detect completion of the format operation. While format operation is performed by the FORMAT
UNIT Command that the Immed function is set to one, the drive terminates these commands with the Check Condition status,
LOGICAL UNIT NOT READY, FORMAT IN PROGRESS (2/04/04). If the drive returns Good status for these command, format
operation has completed.
READY Command is used to detect completion of the format operation. While format operation is performed by the FORMAT
UNIT Command that the Immed function is set to one, the drive terminates these commands with the Check Condition status,
LOGICAL UNIT NOT READY, FORMAT IN PROGRESS (2/04/04). If the drive returns Good status for these command, format
operation has completed.
In response to the REQUEST SENSE command, including after the Check Condition status described above, the drive will return a
SK/ASC/ASCQ values set to NOT READY/LOGICAL UNIT NOT READY/FORMAT IN PROGRESS, with the sense key specific
bytes set for progress indication. The SKSV will be set to one and the Progress Indication field will contain 16 bit unsigned value such
that (Progress Indication)/65 536 X 100% approximates the percentage of completion of the operation. Once the operation is
completed, the SKSV will be cleared to zero.
SK/ASC/ASCQ values set to NOT READY/LOGICAL UNIT NOT READY/FORMAT IN PROGRESS, with the sense key specific
bytes set for progress indication. The SKSV will be set to one and the Progress Indication field will contain 16 bit unsigned value such
that (Progress Indication)/65 536 X 100% approximates the percentage of completion of the operation. Once the operation is
completed, the SKSV will be cleared to zero.