Figure 33 Identify Device Command (Ech); Table 27. Error Register; Table 28. Status Register - Hitachi HTS541616J9SA00 Specifications

14.8 Identify Device (ECh)
Command Block Output Registers
Register
Data
Feature
Sector Count
LBA Low
LBA Mid
LBA High
Device
Command
Error Register
7 6 5 4
CRC UNC 0 IDN
0 0 0 0

Figure 33 Identify Device Command (ECh)

The Identify Device command requests the device to transfer configuration information to the host.
The device will transfer a sector to the host containing the information in "Identify device
information" on Page 5-5.
Word Content
00 045xH
01 Note.2
02 xxxxh
03 Note.2
04-05 0
06 003FH
07-09 0
Travelstar 5K160 (SATA) Hard Disk Drive Specification
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
1 1 1 0 1 1 0 0
3 2 1 0
0 ABT T0N AM
N
0 V 0 0
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
37C8h
Number of heads in default translate mode
* Reserved
Number of sectors per track in default translate mode
Reserved
Command Block Input Registers
Register
Data
Error
Sector Count
LBA Low
LBA Mid
LBA High
Device
Status
Status Register
7 6 5
BSY RDY DF DSC DRQ COR IDX ERR
0 V 0
SET FEATURES subcommand is not required to spin-up
and IDENTIFY DEVICE response is complete
SET FEATURES subcommand is required to spin-up and
IDENTIFY DEVICE response is incomplete
82/167
7 6 5 4 3 2 1 0
- - - - - - - -
...See Below...
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
...See Below...
4 3 2 1
- - 0 0
0
V