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Seagate ST160LT007 Momentus Thin (4K) SATA Product Manual - Page 12

Formatted capacity, Default logical geometry, Physical organization

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3.2 Formatted capacity Formatted capacity* ST320LT020 - 9YG142 ST250LT003 - 9YG14C ST160LT003 - 9YG141 Guaranteed logical blocks (LBA) - 512 emulation 625,142,448 488,397,168 312,581,808 Bytes per physical sector 4096 *One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 3.2.1 LBA mode When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n-1, where n is the number of guaranteed logical blocks (LBA) as defined above. See Section 5.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48bit addressing support of drives with capacities over 137GB. 3.3 Default logical geometry Cylinders 16,383 Read/write heads 16 Sectors per track 63 LBA mode When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n-1, where n is the number of guaranteed logical blocks (LBA) as defined above. 3.4 Physical organization Models 320GB models 250GB models 160GB models Read/write heads 2 1 Number of disks 1 6 Momentus Thin Product Manual, Rev. C

Section	Page
1.0 Seagate Technology support services	7
2.0 Introduction	8
2.1 About the Serial ATA interface	9
3.0 Drive specifications	10
3.1 Specification summary table	10
3.2 Formatted capacity	12
3.2.1 LBA mode	12
3.3 Default logical geometry	12
3.4 Physical organization	12
3.5 Recording and interface technology	13
3.6 Physical characteristics	13
3.7 Seek time	13
3.8 Start/stop times	14
3.9 Power specifications	14
3.9.1 Power consumption	14
3.9.1.1 Typical current profile	15
3.9.2 Deferred spinup	15
3.9.3 Conducted noise	15
3.9.4 Voltage tolerance	15
3.9.5 Power-management modes	16
3.10 Environmental specifications	17
3.10.1 Ambient temperature	17
3.10.2 Temperature gradient	17
3.10.3 Humidity	17
3.10.3.1 Relative humidity	17
3.10.3.2 Wet bulb temperature	17
3.10.4 Altitude	17
3.10.5 Shock	18
3.10.5.1 Operating shock	18
3.10.5.2 Nonoperating shock	18
3.10.6 Vibration	18
3.10.6.1 Operating vibration	18
3.10.6.2 Nonoperating vibration	18
3.11 Acoustics	19
3.12 Electromagnetic immunity	19
3.13 Reliability	20
3.14 Agency certification	20
3.14.1 Safety certification	20
3.14.2 Electromagnetic compatibility	20
3.14.3 FCC verification	21
3.15 Environmental protection	22
3.15.1 European Union Restriction of Hazardous Substances (RoHS)	22
3.15.2 China Restriction of Hazardous Substances (RoHS) Directive	22
3.16 Corrosive environment	22
4.0 Configuring and mounting the drive	23
4.1 Handling and static-discharge precautions	23
4.2 Configuring the drive	23
4.3 Serial ATA cables and connectors	24
4.4 Drive mounting	24
5.0 Serial ATA (SATA) interface	26
5.1 Hot-Plug compatibility	26
5.2 Serial ATA device plug connector pin definitions	26
5.3 Supported ATA commands	28
5.3.1 Identify Device command	30
5.3.2 Set Features command	33
5.3.3 S.M.A.R.T. commands	34
Index	35
A	35
B	35
C	35
D	35
E	35
F	35
G	35
H	36
I	36
K	36
L	36
M	36
N	36
O	36
P	36
Q	36
R	36
S	37
T	37
U	37
V	37