Hitachi IC25N010ATCS04, Технические характеристики

Страница: 136 / 217

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.
8010H 47
Model number in ASCII
(Note 1)
27-46
Micro code version in ASCII XXXX 23-26
Number of ECC bytes as currently selected via the set
feature command
* 00XXH 22
Buffer size in 512-byte increments * ( Note 1) 21
Controller type:
0003: dual ported, multiple sector buffer with look-
ahead read
* 0003H 20
Serial number in ASCII (0 = not specified) XXXX 10-19
Reserved * 0000H 09
Reserved 0 08
Reserved 0 07
Number of sectors per track in default translate mode 003FH 06
Reserved * 0 05
Reserved * 0 04
Number of heads in default translate mode (Note 1) 03
SET FEATURES subcommand is not required to spin-up and
IDENTIFY DEVICE response is complete
C837H 02
Number of cylinders in default translate mode (Note 1) 01
Reserved 0(=0)
1=hard sectored 1(=1) *
1=identify data incomplete 2(=0)
1=not MFM encoded 3(=1) *
1=head switch time > 15
µ
s
4(=1) *
1=spindle motor control option
implemented
5(=0) *
1=fixed drive 6(=1)
1=removable cartridge drive 7(=0)
1=disk transfer rate <= 5 Mbps 8(=0) *
1=disk transfer rate > 5 Mbps but <= 10 Mbps 9(=0) *
1=disk transfer rate > 10 Mbps 10(=1) *
1=rotational speed tolerance > 0.5% 11(=0) *
1=data strobe offset option available 12(=0) *
1=track offset option available 13(=0) *
1=format speed tolerance gap required 14(=0) *
1=ATAPI device, 0=ATA device 15(=0)
bit assignments
drive
classification
045AH 00
Description Content Word
* in Content field indicates the use of those parameters that are vendor
specific.
Note 1. See Figure 93.
Figure 86. Identify device information. (Part 1 of 7)
Hitachi Travelstar 60GH & 40GN hard disk drive specifications
123