Table of Contents
· Control parameters (MODE SELECT, INQUIRY and LOG)
· Defect list (manufacture and grown)
· Control program (Downloadable Firmware) etc.
The data in system area is duplicated for data integrity.
The user area consists of the diagnostic cylinder, the data area. The user area,
except the data area, may not be accessible from the host computer.
The diagnostic cylinder is allocated for the diagnostic use when the SEND
DIAGNOSTIC command is executed and is called "CE Cylinder".
The user data is stored in the data area.
2.2.2 FORMAT PROCESSING
The host computer can format the data area by using FORMAT UNIT and MODE
SELECT command.
It can also reallocate each defective block by using REASSIGN BLOCKS
command.
Note :
This SCSI controller formats the diagnostic cylinder as well as the data
area when a Format Unit command is executed.
The outline of the format process is given below. The detail of format processing
is shown in the description of ;
·FORMAT UNIT command ( Refer to 5.1 ),
·REASSIGN BLOCKS command ( Refer to 5.18 )
·MODE SELECT command ( Refer to 5.5 ).
(1)
Block Length
The Block Length indicates the byte length which is the minimum unit of data
that can be accessed from the host computer.
The default value of block length is 512 bytes.
The block length can be changed by specifying the necessary values of MODE
SELECT command in fields given below.
·Block Descriptor
·Format parameter
The value specified in both of these fields should be the same. If the values
differ , the value entered in the Block Descriptor will be used.
2 PRODUCT SPECIFICATION OUTLINE
Byte 5,6,7
Block Length
Byte 12, 13
Data Bytes per physical sector
OEM MANUAL:K6602924
Revision: 1 / Date: 2003.03.06
Page: 22 / 273
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