SCSI Description
5-16 Maxtor Atlas 10K III
Five different forms of the FORMAT UNIT command are supported through
different combinations of the Format Data bit, Complete List bit, and the information
in the Defect List Length field. (Refer to FORMAT UNIT Defect Header List for a
description of the Defect List Length field.) The different command forms give the
init iator control ove r the conte nts of the Grown Defec t List. Table 5-13 desc ribe s the
contents of the Grown Defect List after FOR M AT UNIT command execution.
FORMAT U NIT Command Supported Options
The FORMAT UNIT Parameter List (Table 5-14) consists of a Defect List Header
(Table 5-15) followed by one or more Defect Descriptors. Descriptor s are either four
bytes or eig h t byt e s in l e ngth.
FORMAT UNIT Paramet er Lis t- Da t a Format
00N/A
All sect ors fo und to be bad, but not list ed in th e Prim ary Defec t
List or Grown Defect Li st, are added to the Grown Defect List.
1 0 0 Same as above.
11 0
The existi ng Grown Defec t List is discarded. A new Grown De-
fect List is generated, containing All sectors found to be bad, but
not listed in the P rimary Defect Li st.
10 >0
The Grown Defect Lis t cont ains:
Original Gro w n Defect Li s t
All sect ors fo und to be bad, but not list ed in th e Prim ary Defec t
List.
A list of sector s supplied by the initiator. These sectors are
passed in def ect desc ri ptors i n the data- out buff er tra nsfe r that
occurs as part of the FORMAT UNIT command.
11 >0
Same as t he case above, except that the current Grown Defect
List is discarded before form atting begins.
0 - 3 De fect List Header
Initialization Pattern Descript or (if any)
De fe c t D e scr ip tor s (if any)