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Seagate ST9120822AB Momentus 5400.3 PATA Blade Server Product Manual - Page 15

Formatted capacity, Default logical geometry, Physical organization

UPC - 200001348952

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2.2 Formatted capacity Model ST9160821AB ST9120822AB ST9100828AB ST980815AB ST960815AB ST9402116AB Formatted capacity* 160 Gbytes 120 Gbytes 100 Gbytes 80 Gbytes 60 Gbytes 40 Gbytes Guaranteed sectors 312,581,808 234,441,648 195,371,568 156,301,488 117,210,240 78,140,160 Bytes per sector 512 512 512 512 512 512 *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 2.3 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 sectors as defined above. 2.4 Physical organization Model ST9160821AB ST9120822AB ST9100828AB ST980815AB ST960815AB ST9402116AB Read/write heads 4 3 3 2 2 1 Number of discs 2 2 2 1 1 1 Momentus 5400.3 PATA Blade Server Product Manual, Rev. B 9

Section	Page
1.0 Introduction	7
2.0 Drive specifications	9
2.1 Specification summary	9
2.2 Formatted capacity	15
2.3 Default logical geometry	15
2.4 Physical organization	15
2.5 Recording and interface technology	16
2.6 Physical characteristics	16
2.7 Seek time	17
2.8 Time to ready	17
2.9 Power specifications	18
2.9.1 Power consumption	18
2.9.1.1 Typical current profile	19
2.9.2 Conducted noise	19
2.9.3 Voltage tolerance	19
2.10 Environmental specifications	20
2.10.1 Ambient temperature	20
2.10.2 Temperature gradient	20
2.10.3 Humidity	20
2.10.3.1 Relative humidity	20
2.10.3.2 Wet bulb temperature	20
2.10.4 Altitude	20
2.10.5 Shock	21
2.10.5.1 Operating shock	21
2.10.5.2 Nonoperating shock	21
2.10.6 Vibration	21
2.10.6.1 Operating vibration	21
2.10.6.2 Nonoperating vibration	21
2.11 Acoustics	22
2.12 Electromagnetic immunity	22
2.13 Reliability	23
2.14 Agency certification	23
2.14.1 Safety certification	23
2.14.2 Electromagnetic compatibility	23
2.14.3 FCC verification	24
2.15 Environmental protection	25
2.15.1 European Union Restriction of Hazardous Substances (RoHS)	25
2.16 Corrosive environment	25
3.0 Configuring and mounting the drive	27
3.1 Handling and static discharge precautions	27
3.2 Jumper settings	28
3.2.1 Master/slave configuration	28
3.2.2 Cable-select option	28
3.3 Drive mounting	29
4.0 ATA interface	31
4.1 ATA interface signals and connector pins	31
4.1.1 Supported ATA commands	32
4.1.2 Identify Device command	35
4.1.3 Set Features command	38