Hitachi HTS721010G9AT00, Specifications

Page: 122 / 225

Travelstar 7K100 Hard Disk Drive Specification
108
Table 67: Identify device information. (Part 1 of 7)
* indicates the use of those parameters that are vendor specific.
Note 1. See Table 74: “Number of cylinders/heads/sectors” on page 115.
Word Content Description
00 045AH drive classi-
fication
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 drive
6(=1) 1=fixed drive
* 5(=0) 1=spindle motor control option implemented
* 4(=1) 1=head switch time > 15 ms
* 3(=1) 1=not MFM encoded
2(=0) 1=identify data incomplete
* 1(=1) 1=hard sectored
0(=0) Reserved
01 (Note 1) 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 complete
03 (Note 1) 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 1) * Buffer size in 512-byte increments
22 00XXH
*
Number of ECC bytes as currently selected via the set feature
command
23-26 XXXX Micro code version in ASCII
27-46 (Note 1) 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.