Hitachi HTS541680J9AT00 Specifications - Page 104
Identify device information - hard drive model
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Travelstar 5K160 (PATA) Hard Disk Drive Specification 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 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
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Travelstar 5K160 (PATA) Hard Disk Drive Specification
104
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188
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
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
*
Number of ECC bytes as currently selected via the set features command
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 'Number of cylinders/heads/sectors by models for Number of cylinders/heads/sectors by
models for HTS5416XXJ9AT00'.
Figure 52 Identify device information