Figure 52 Identify Device Information - Hitachi HTS541616J9AT00 - Travelstar 160 GB Hard Drive Specifications

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".
Word Content
00 045xH
01 Note.2
02 xxxxh
03 Note.2
04-05 0
06 003FH
07-09 0
10-19 XXXX
20 0003H
21 Note.2
22 00xxH
23-26 XXXX
27-46 Note.2
47 8010H
Note.1 The '*' mark in 'Content' field indicates the use of those parameters that are vendor specific.
Note.2 See following table 'Number of cylinders/heads/sectors by models for Number of cylinders/heads/sectors by
models for HTS5416XXJ9AT00'.

Figure 52 Identify device information

Travelstar 5K160 (PATA) Hard Disk Drive Specification
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
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
* Number of ECC bytes as currently selected via the set features command
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
104 / 188
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
interrupt.