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Seagate ST9250412AS Momentus 7200 FDE.2 SATA Product Manual - Page 13

Recording and interface technology, Physical characteristics

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2.5 Recording and interface technology Interface Recording method Recording density BPI (bits/inch max) Track density TPI (tracks/inch max) Areal density (Gbits/inch2 max) Spindle speed (RPM) (± 0.2%) Maximum Internal transfer rate (Gbits/sec) I/O data-transfer rate (Gbits/sec max) Interleave Cache buffer Serial ATA (SATA) Perpendicular 1,490k 265k 394 7,200 1.23 3.0 1:1 16 Mbytes 2.6 Physical characteristics Drive specification Height (mm) (inches) Width (mm) (inches) Length (mm) (inches) Typical weight ST9500426ASG, ST9500422AS, ST9500421AS ST9320427ASG, ST9320426ASG, ST9320426AS ST9250464ASG, ST9250414ASG, ST9250412AS and ST9250411AS 9.4 +/-0.2 0.371 +/-0.008 69.85 +/-0.25 2.750 +/-0.010 100.35 +0.20 / -0.25 3.951 +0.008 / -0.010 110 grams 0.238 pounds ST9160419ASG, ST9160418ASG and ST9160413AS 105 grams 0.227 pounds Momentus 7200 FDE.2 SATA Product Manual, Rev. B 7

Section	Page
1.0 Introduction	7
1.1 System requirements	8
1.2 About Momentus 7200 FDE.2 SATA disc drives	8
1.2.1 Drive state upon shipment	9
2.0 Drive specifications	10
2.1 Specification summary table	10
2.2 Formatted capacity	12
2.2.1 LBA mode	12
2.3 Default logical geometry	12
2.4 Physical organization	12
2.5 Recording and interface technology	13
2.6 Physical characteristics	13
2.7 Seek time	14
2.8 Start/stop times	14
2.9 Power specifications	15
2.9.1 Power consumption	15
2.9.1.1 Typical current profile	16
2.9.2 Conducted noise	16
2.9.3 Voltage tolerance	16
2.9.4 Power-management modes	17
2.10 Environmental specifications	18
2.10.1 Ambient temperature	18
2.10.2 Temperature gradient	18
2.10.3 Humidity	18
2.10.3.1 Relative humidity	18
2.10.3.2 Wet bulb temperature	18
2.10.4 Altitude	18
2.10.5 Shock	19
2.10.5.1 Operating shock	19
2.10.5.2 Nonoperating shock	19
2.10.6 Vibration	19
2.10.6.1 Operating vibration	19
2.10.6.2 Nonoperating vibration	19
2.11 Acoustics	20
2.12 Electromagnetic immunity	20
2.13 Reliability	21
2.13.1 Free Fall Protection feature	22
2.14 Agency certification	22
2.14.1 Safety certification	22
2.14.2 Electromagnetic compatibility	22
2.14.3 FCC verification	23
2.15 Environmental protection	23
2.15.1 European Union Restriction of Hazardous Substances (RoHS)	23
2.15.2 China Restriction of Hazardous Substances (RoHS) Directive	24
2.16 Corrosive environment	24
3.0 Configuring and mounting the drive	25
3.1 Handling and static-discharge precautions	25
3.2 Configuring the drive	26
3.3 Serial ATA cables and connectors	26
3.4 Drive mounting	27
3.5 Drive integration	28
3.5.1 Drive installation	29
3.5.2 Consumer usage	29
3.6 Security Erase--ATA security commands	29
3.6.1 Secure Erase procedure	29
3.6.2 Drive State after Secure Erase	30
4.0 Serial ATA interface	31
4.1 Hot-Plug compatibility	31
4.2 Serial ATA device plug connector pin definitions	31
4.2.1 ATA Security policy exceptions	33
4.2.2 DriveTrust Mode support	34
4.2.3 Full Disc Encryption support	35
4.2.4 Supported ATA commands	36
4.2.5 Identify Device command	39
4.2.6 Set Features command	43
4.2.7 S.M.A.R.T. commands	44
5.0 Compatibility summary	45
5.1 Installation considerations	45
5.2 System Compatibility using WIndows XP SP2	45
5.2.1 BIOS versions tested in ATA Security mode	45
5.2.2 DriveTrust compatibility verification	48
5.3 Operating system versions tested	52
5.4 Compatibility test configurations	52
6.0 Seagate Technology support services	53
Index	55
A	55
B	55
C	55
D	55
E	55
F	55
G	55
H	55
I	56
K	56
L	56
M	56
N	56
O	56
P	56
Q	56
R	56
S	56
T	57
U	57
V	57