Hitachi HDT725025VLA380 Specifications - Page 163

Table 82: Identify device information

Page 163 highlights

Table 82: Identify device information Word 00 01 02 03 04 05 06 07 08 09 10-19 20 21 22 23-26 27-46 47 48 49 Content 045AH or 045EH xxxxH C837H 00xxH 0 * 0 * 003FH 0000H * 0000H * 0000H * XXXX 0003H * XXXXH * 0034H * XXXX XXXX 8010H 0000H xF00H * Description Drive classification, bit assignments: 15 (=0): 1=ATAPI device, 0=ATA device 14 - 8 : retired 7 (=0): 1=removable cartridge device 6 (=1): 1=fixed device 5 - 3 : retired 2 (=0): Response incomplete 1 : retired 0 (=0): Reserved Number of cylinders in default translate mode Specific Configuration 37C8H: Need Set Feature for spin-up after power-up Identify Device is incomplete 738CH: Need Set Feature for spin-up after power-up Identify Device is complete 8C73H: No Need Set Feature for spin-up after power-up Identify Device is incomplete C837H: No Need Set Feature for spin-up after power-up Identify Device is complete Number of heads in default translate mode Reserved Reserved Number of sectors per track in default translate mode Number of bytes of sector gap Number of bytes in sync field Reserved Serial number in ASCII (0 = not specified) Controller type: 0003: dual ported, multiple sector buffer with look-ahead read Buffer size in 512-byte increments Number of ECC bytes (Vendor unique length selected via set feature cmd) Microcode version in ASCII Model number in ASCII 15-8 : 80h 7-0 : Maximum number of sectors that can be transferred per interrupt on Read and Write Multiple commands Reserved Capabilities, bit assignments: 15-14 (=0) Reserved 13 Standby timer (=1) values as specified in ATA standard are supported (=0) values are vendor specific 12 (=0) Reserved 11 (=1) IORDY Supported 10 (=1) IORDY can be disabled 9 (=1) 8 (=1) 7- 0 (=0) LBA supported DMA supported Reserved Deskstar T7K500 Hard Disk Drive Specification 149

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Deskstar T7K500 Hard Disk Drive Specification
149
Table 82: Identify device information
Word
Content
Description
00
045AH
Drive classification, bit assignments:
or
15 (=0):
1=ATAPI device, 0=ATA device
045EH
14 - 8 :
retired
7 (=0):
1=removable cartridge device
6 (=1):
1=fixed device
5 - 3 :
retired
2 (=0):
Response incomplete
1 :
retired
0 (=0):
Reserved
01
xxxxH
Number of cylinders in default translate mode
02
C837H
Specific Configuration
37C8H:
Need Set Feature for spin-up after power-up
Identify Device is incomplete
738CH:
Need Set Feature for spin-up after power-up
Identify Device is complete
8C73H:
No Need Set Feature for spin-up after power-up
Identify Device is incomplete
C837H:
No Need Set Feature for spin-up after power-up
Identify Device is complete
03
00xxH
Number of heads in default translate mode
04
0
* Reserved
05
0
* Reserved
06
003FH
Number of sectors per track in default translate mode
07
0000H
*
Number of bytes of sector gap
08
0000H
*
Number of bytes in sync field
09
0000H
* 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
XXXXH
*
Buffer size in 512-byte increments
22
0034H
*
Number of ECC bytes
(Vendor unique length selected via set feature cmd)
23-26
XXXX
Microcode version in ASCII
27-46
XXXX
Model number in ASCII
47
8010H
15-8 :
80h
7-0 :
Maximum number of sectors that can be transferred per
interrupt on Read and Write Multiple commands
48
0000H
Reserved
49
xF00H
Capabilities, bit assignments:
15-14 (=0)
Reserved
13
Standby timer
(=1)
values as specified in ATA standard are supported
(=0)
values are vendor specific
12 (=0)
Reserved
11 (=1)
IORDY Supported
10 (=1)
IORDY can be disabled
9 (=1)
LBA supported
8 (=1)
DMA supported
*
7- 0 (=0)
Reserved