Hitachi HDS723020BLA642 manual Identify device information

7K200 SATA OEM Specification

Word

00

01

02

03

04-05

06

07-09

10-19

20

21

22

23-26

27-46

47

Content

045xH

*

*

*

*

*

*

*

*

*

*

*

Note.2

xxxxh

Note.2
0	*
003FH
0
XXXX
0003H	*
Note.2	*
00xxH	*
XXXX
Note.2
8010H

Description

Drive classification, bit assignments:

15	(=0):	1=ATAPI device, 0=ATA device
14	(=0):	1=format speed tolerance gap required
13	(=0):	1=track offset option available
12	(=0):	1=data strobe offset option available
11	(=0):	1=rotational speed tolerance > 0.5%
10	(=1):	1=disk transfer rate > 10 Mbps
9	(=0):	1=disk transfer rate > 5 Mbps but <= 10 Mbps
8	(=0):	1=disk transfer rate <= 5 Mbps
7	(=0):	1=removable cartridge device
6	(=1):	1=fixed device
5	(=0):	1=spindle motor control option implemented
4	(=1):	1=head switch time > 15 us
3	(=1):	1=not MFM encoded
2	(=x):	1=Identify data incomplete
1	(=1):	1=hard sectored
0	(=0):	Reserved

Number of cylinders in default translate mode

Specific configuration

C837h	SET FEATURES subcommand is not required to spin-up
	and IDENTIFY DEVICE response is complete
37C8h	SET FEATURES subcommand is required to spin-up and
	IDENTIFY DEVICE response is incomplete

Number of heads in default translate mode

Reserved

Number of sectors per track in default translate mode

Reserved

Serial number in ASCII (0 = not specified)

Controller type:

0003: dual ported, multiple sector buffer with look-ahead read

Buffer size in number of sectors

Obsolete

Microcode version in ASCII

Model number in ASCII

Maximum number of sectors that can be transferred per interrupt on Read and Write Multiple commands

15-8 : (=80h)

7-0 : Maximum number of sectors that can be transferred per interrupt.

Note.1 The ‘*’ mark in ‘Content’ field indicates the use of those parameters that are vendor specific.

Note.2 See following table “Table 63 Number of cylinders/heads/sectors by models for HTS7220XXK9SA00 / HTS7220XXK9A300” on Page 98

Table 54 Identify device information

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