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Table 4.107 FORMAT UNIT command defect processing (2/2)
CDB Byte 1
FmtData
CmpLst
Defect list
1
0
1 0 0
1 0 1
(Note 1, Note 3)
1
1
1 0 0
1 0 1
1
1
1 0 0
1 0 1
Note 1) ddd: 0,0,0= D List in the block address format.
Note 2) The D List is not transferred from the INIT.
Note 3) If the data block length is changed and the disk media is initialized, the
Note 4) When this combination of defect processing methods is specified, the
C141-C012
Header
FOV
DPRY
format
1
1
0
0
1
0
1
1
1,0,0= D List in the byte distance from the index format.
1,0,1= D List in the physical sector address format.
INIT cannot specify a combination defect processing method.
IDD performs verification of the data blocks after initialization and
creates the C List. In other combination defect processing methods, the
INIT can clearly specify whether the verification operation is prohibited
or permitted by the DCRT flag of the Format parameter.
4.3 Format Commands
Defect Processing Method
Defect
List
Length
>0
1) Alternate block allocation is performed
for defects registered in the previously
existing G List and the defects
described in the D List transferred
from the INIT.
2) The P List is saved, but it is not used in
defect processing.
3) The D List is added to the previously
existing G List
>0
1) Alternate block allocation is performed
for defects described in the D List
transferred from the INIT.
2) The previously existing G List is
erased and it is not used in defect
processing.
3) The D List is registered as the new G
list.
>0
1) Alternate block allocation is performed
for defects registered in the P List and
the defects described in the D List
transferred from the INIT.
2) The P List is saved, but it is not used in
defect processing.
3) The previously existing G List is
erased and it is not used in defect
processing.
4) The D List is added to the previously
existing G List.
4-163
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