Hitachi HTS542516K9SA00 - Table 54 Identify Device Information

5K250 (SATA) OEM Specification
Page 87 of 171
Word Content Description
00 045xH 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
01 Note.2 Number of cylinders in default translate mode
02 xxxxh 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
03 Note.2 Number of heads in default translate mode
04-05 0 * Reserved
06 003FH Number of sectors per track in default translate mode
07-09 0 Reserved
10-19 XXXX Serial number in ASCII (0 = not specified)
20 0003H * Controller type:
0003: dual ported, multiple sector buffer with look-ahead read
21 Note.2 * Buffer size in number of sectors
22 00xxH * Obsolete
23-26 XXXX Microcode version in ASCII
27-46 Note.2 Model number in ASCII
47 8010H 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
HTS5425XXK9SA00 / HTS5425XXK9A300” on Page 96
Table 54 Identify device information