SCS I Description
M axtor Atlas 10K III 5-19
The Init iali zation Patt ern op tion spe cifies tha t the logi cal blo cks on t he dri ve medium
will contain a specified initialization pattern. The Initialization Pattern descriptor is
sent t o the dr ive as part o f t he FORMAT UNIT paramet er list . Ta ble 5 - 19 desc ri bes
the Initialization Pattern descriptors. The contents of the descriptor fields are described
in Table 5-20 and the types in Table 5-21.
FORMAT UNI T Ini tial i zati o n Pa t t ern D escri ptor-Data Fo rm at
FORM A T UNI T Initialization Pattern Descriptor-F ield D escriptions
FORMAT UNIT Initializatio n Pattern Type
NOTES:
1 If the Initialization Pattern Length is not 0, the drive terminates the command with
CHECK C ONDITI ON status. The sense key is set to ILLEGAL REQUEST, and
the additi onal s e n se cod e is se t to INV A L ID FIELD IN PA RAMETE R LIS T .
2 If the Initial i zatio n Pa ttern L e n gth is 0, th e d r ive terminates the com mand with
CHECK C ONDITI ON status. The sense key is set to ILLEGAL REQUEST, and
the additi onal s e n se cod e is se t to INV A L ID FIELD IN PA RAMETE R LIS T .
3 I f the Initialization Pattern Type is not 0 or 1, the drive terminates the comman d
with a CHECK CONDITION status. The Sense Key is set to ILLEGAL REQUEST,
and the Ad ditio n a l Se n s e C o de i s set to INVAL ID FIELD IN PA RAM E T E R LIST .
0 IP Modifi er = 0 Re served
1 IP Type
2 - 3 IP Length
4 - n IP
IP Modifier The Initialization Pattern Modifier must be 0.
IP Type
The Ini tial izat ion Pattern Ty pe fiel d (Ta ble 5-21 ) indicate s the type of patte rn
the drive uses to initialize each logical sector within the initiator-accessible
portion of t he me dium . All byt es w ithin a l ogical sector are written wi th the
initialization pattern.
IP Length The Initialization Pattern Length field indicates the number of bytes contained
in the I nitialization Pattern. The val id le ngths (when IP Type = 1) are two or
four bytes.
IP Initialization Pattern.
00h Use default pattern.1
01h Repeat the initiali zati on pattern as re quired to fil l the logical
sector.2
02h – FFh3Reserved.