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SCSI Description
Maxtor Atlas 10K III 5-15
FORMAT UNIT Command Descriptor Block-Data Format
FORMAT UNIT Command-Field Descriptions
0 Operation Code (04h)
1 Reserved Fmt
Data
Cmp
List
Defect List Format
2 Vendor-Specific
3 - 4 Interleave
5 Control
FmtData
Format Data. When the Format Data value is 1, it indicates that a data-out
buffer transfer occurs as part of the command execution. The FORMAT
UNIT Parameter list (consisting of a Defect List Header and, optionally, a
number of Block Format Defect Descriptors) is passed to the device during
this phase.
When the Format Data value is 0, the data-out buffer transfer does not oc-
cur.
CmpLst
Complete List. When the Complete List value is 1, the drive deletes its cur-
rent Grown Defect List and starts a new one, containing the Logical Block
Numbers listed in the defect list supplied by the initiator during this format
operation are added to the list, creating a new Grown Defect List.
When the Complete List value is 0, the drive adds initiator-supplied and
newly found defective Logical Block Numbers to the existing Grown Defec-
tive List.
Defect List Format
The Defect List Format value specifies the defect descriptor passed by the
initiator to the drive when the Format Data value is 1. Acceptable values
are:
000b (Block [
] Format)
100b (Index Format)
101b (Physical Sector Format)
Vendor-Specific Not supported. Must be 0
Interleave Not supported. Ignored by the drive.