Seagate ST98823AS Momentus 5400.2 SATA Product Manual - Page 34

28

Momentus 5400.2 SATA Product Manual, Rev. C

93

Hardware reset value

(see description following this table)

xxxx

H

94

Auto acoustic management setting

xxxx

H

95–99

ATA-reserved

0000

H

100–

103

Total number of user-addressable LBA sectors available

(see Section 2.2 for related information)

These words are required for drives that support the 48-bit

addressing feature. Maximum value: 0000FFFFFFFFFFFFh.

ST9120821AS = 234,441,648

ST9100824AS = 195,371,568

ST98823AS = 156,301,488

ST96812AS = 117,210,240

ST94813AS = 78,140,160

ST93811AS = 58,605,120

104–

127

ATA-reserved

0000

H

128

Security status

0001

H

129–

159

Seagate-reserved

xxxx

H

160–

254

ATA-reserved

0000

H

255

Integrity word

xxA5

H

Note.

See the bit descriptions below for words 63, 88, 93 and 94 of the Identify Drive data:

Description (if bit is set to 1)

Bit

Word 63

0

Multiword DMA mode 0 is supported.

1


2


8

Multiword DMA mode 0 is currently active.

9


10


Bit

Word 88

0

Ultra DMA mode 0 is supported.

1


2


3


4


8

Ultra DMA mode 0 is currently active.

9


10


11


12


Word

Description

Value

Section	Page
1.0 Introduction	7
1.1 About the Serial ATA interface	8
2.0 Drive specifications	9
2.1 Specification summary table	9
2.2 Formatted capacity	11
2.2.1 LBA mode	11
2.3 Default logical geometry	11
2.4 Physical organization	12
2.5 Recording and interface technology	12
2.6 Physical characteristics	12
2.7 Seek time	13
2.8 Start/stop times	13
2.9 Power specifications	14
2.9.1 Power consumption	14
2.9.2 Deferred spinup	15
2.9.3 Conducted noise	16
2.9.4 Voltage tolerance	16
2.9.5 Power-management modes	16
2.10 Environmental specifications	17
2.10.1 Ambient temperature	17
2.10.2 Temperature gradient	17
2.10.3 Humidity	17
2.10.3.1 Relative humidity	17
2.10.3.2 Wet bulb temperature	17
2.10.4 Altitude	17
2.10.5 Shock	18
2.10.5.1 Operating shock	18
2.10.5.2 Nonoperating shock	18
2.10.6 Vibration	18
2.10.6.1 Operating vibration	18
2.10.6.2 Nonoperating vibration	18
2.11 Acoustics	19
2.12 Electromagnetic immunity	19
2.13 Reliability	20
2.14 Agency certification	20
2.14.1 Safety certification	20
2.14.2 Electromagnetic compatibility	20
2.14.3 FCC verification	21
2.15 Environmental protection	22
2.15.1 European Union Restriction of Hazardous Substances (RoHS)	22
2.16 Corrosive environment	22
3.0 Configuring and mounting the drive	23
3.1 Handling and static-discharge precautions	23
3.2 Configuring the drive	24
3.3 Serial ATA cables and connectors	24
3.4 Drive mounting	25
4.0 Serial ATA (SATA) interface	27
4.1 Hot-Plug compatibility	27
4.2 Serial ATA device plug connector pin definitions	27
4.3 Supported ATA commands	29
4.3.1 Identify Device command	32
4.3.2 Set Features command	35
4.3.3 S.M.A.R.T. commands	36
5.0 Seagate Technology support services	37
A	39
B	39
C	39
D	39
E	39
F	39
G	39
H	40
I	40
K	40
L	40
M	40
N	40
O	40
P	40
Q	40
R	40
S	41
T	41
U	41
V	41

Seagate ST98823AS Momentus 5400.2 SATA Product Manual - Page 34

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