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Seagate ST300MP0014 Savvio 15K.2 SAS Product Manual - Page 69

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12.4.2 Physical characteristics This section defines physical interface connector. 12.4.3 Connector requirements Contact your preferred connector manufacturer for mating part information. Part numbers for SAS connectors will be provided in a future revision of this publication when production parts are available from major connector manufacturers. The SAS device connector is illustrated in Figures 14 and 15. 12.4.4 Electrical description SAS drives use the device connector for: • DC power • SAS interface • Activity LED This connector is designed to either plug directly into a backpanel or accept cables. 12.4.5 Pin descriptions This section provides a pin-out of the SAS device and a description of the functions provided by the pins. Savvio 15K.2 SAS Product Manual, Rev. G 61

Section	Page
1.0 Seagate Technology support services	9
2.0 Scope	10
3.0 Applicable standards and reference documentation	11
3.1 Standards	11
3.1.1 Electromagnetic compatibility	11
3.1.2 Electromagnetic compliance	12
3.1.3 European Union Restriction of Hazardous Substances (RoHS)	13
3.2 Reference documents	13
4.0 General description	14
4.1 Standard features	15
4.2 Media description	15
4.3 Performance	16
4.4 Reliability	16
4.5 Formatted capacities	16
4.6 Programmable drive capacity	17
4.7 Options	17
5.0 Performance characteristics	18
5.1 Internal drive characteristics	18
5.2 Seek performance characteristics	18
5.2.1 Access time	18
5.2.2 Format command execution time	19
5.2.3 General performance characteristics	19
5.3 Start/stop time	19
5.4 Prefetch/multi-segmented cache control	20
5.5 Cache operation	20
5.5.1 Caching write data	21
5.5.2 Prefetch operation	21
6.0 Reliability specifications	22
6.1 Error rates	22
6.1.1 Recoverable Errors	22
6.1.2 Unrecoverable Errors	22
6.1.3 Seek errors	23
6.1.4 Interface errors	23
6.2 Reliability and service	23
6.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failure (MTBF)	23
6.2.2 Preventive maintenance	23
6.2.3 Hot plugging the drive	23
6.2.4 S.M.A.R.T.	24
6.2.5 Thermal monitor	25
6.2.6 Drive Self Test (DST)	26
6.2.7 Product warranty	28
7.0 Physical/electrical specifications	29
7.1 AC power requirements	29
7.2 DC power requirements	29
7.2.1 Conducted noise immunity	32
7.2.2 Power sequencing	32
7.2.3 Current profiles	33
7.3 Power dissipation	35
7.4 Environmental limits	37
7.4.1 Temperature	37
7.4.2 Relative humidity	37
7.4.3 Effective altitude (sea level)	38
7.4.4 Shock and vibration	38
7.4.5 Air cleanliness	40
7.4.6 Corrosive environment	40
7.4.7 Acoustics	41
7.4.8 Electromagnetic susceptibility	41
7.5 Mechanical specifications	42
8.0 About FIPS	43
9.0 About self-encrypting drives	45
9.1 Data encryption	45
9.2 Controlled access	45
9.2.1 Admin SP	45
9.2.2 Locking SP	45
9.2.3 Default password	46
9.3 Random number generator (RNG)	46
9.4 Drive locking	46
9.5 Data bands	46
9.6 Cryptographic erase	46
9.7 Authenticated firmware download	47
9.8 Power requirements	47
9.9 Supported commands	47
10.0 Defect and error management	48
10.1 Drive internal defects/errors	48
10.2 Drive error recovery procedures	48
10.3 SAS system errors	49
10.4 Background Media Scan	50
10.5 Media Pre-Scan	50
10.6 Deferred Auto-Reallocation	50
10.7 Idle Read After Write	51
11.0 Installation	52
11.1 Drive orientation	52
11.2 Cooling	53
11.3 Drive mounting	54
11.4 Grounding	54
12.0 Interface requirements	55
12.1 SAS features	55
12.1.1 Task management functions	55
12.1.2 Task management responses	55
12.2 Dual port support	56
12.3 SCSI commands supported	57
12.3.1 Inquiry data	61
12.3.2 Mode Sense data	61
12.4 Miscellaneous operating features and conditions	65
12.4.1 SAS physical interface	66
12.4.2 Physical characteristics	69
12.4.3 Connector requirements	69
12.4.4 Electrical description	69
12.4.5 Pin descriptions	69
12.4.6 SAS transmitters and receivers	70
12.4.7 Power	71
12.5 Signal characteristics	71
12.5.1 Ready LED Out	71
12.5.2 Differential signals	71
12.6 SAS-2 Specification compliance	72
12.7 Additional information	72
Numerics	73
A	73
B	73
C	73
D	73
E	74
F	74
G	74
H	74
I	74
J	74
K	74
L	74
M	74
N	75
O	75
P	75
Q	75
R	75
S	76
T	76
U	76
V	76
W	76