HGST Ultrastar 7K2 User Manual

Ultrastar 7K2
HGST Hard Disk Drive
Technical Reference Manual
38
Identify Device (ECh)
The Identify Device command transfers 512 bytes of data that specify the drive’s parameters. Table 5-8 lists
the parameters read by the host
Table 13 Identify Device Command
WORD FIELD DESCRIPTION
POWER-ON DEFAULT
VALUE
0 General Configuration 427Ah
1 Obsolete 3FFFh
2 Specific Configuration C837h
3 Obsolete 0010h
4-5 Retired 0000h
6 Obsolete 003Fh
7-8 Reserved for assignment by the CompactFlash™ Association 0000h
9 Retired 0000h
10-19 Serial Number (ATA String) nnnnnnnn
20-21 Retired 0000h
22 Obsolete 0000h
23-26 Firmware Revision (ATA String) “nnnnnnn”
27-46 Model Numbers (ATA String)
“HGST HUS722T2TALA604”
“HGST HUS722T1TALA604”
47 READ/WRITE MULTIPLE
support Bit 15-8: 80h
Bit 7-0: 00h: Reserved
01h-FFh = Maximum number of logical sectors that shall
be transferred per DRQ data block on READ/WRITE
MULTIPLE commands
8010h
48 Trusted Computing feature set
options Bit 15: Shall be cleared to
zero
Bit 14: Shall be set to one
Bit 13-1: Reserved for the Trusted Computing Group
Bit 0: If set, Trusted Computing feature set is
supported
4000h
49 Capabilities
Bit 15-14: Reserved for the IDENTIFY PACKET
DEVICE command.
Bit 13: If set, Standby timer values as specified in
this standard are supported.
0 = Standby timer values shall be managed by the
device Bit 12: Reserved for the IDENTIFY PACKET
DEVICE command
Bit 11: If set, IORDY supported
Bit 10: If set, IORDY may be
disabled Bit 9: If set, LBA supported
Bit 8: If set, DMA supported
Bit 7-2: Reserved
Bit 1: Current Long Physical Alignment Setting
2F00h
50 Capabilities
Bit 15: Shall be cleared to zero.
Bit 14: Shall be set to one.
Bit 13-2: Reserved.
Bit 1: Obsolete
Bit 0: Shall be set to one to indicate a device
specific Standby timer value minimum
4001h
51-52 Obsolete 0000h

HGST Ultrastar 7K2 Specifications

General

Brand	HGST
Model	Ultrastar 7K2
Category	Storage
Language	English