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Seagate ST3300457FC Cheetah 15K.6 SAS Product Manual - Page 87

Serial Attached SCSI SAS Interface Manual

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non-operating 37, 39 temperature 36 non-operating vibration 39 O office environment 39 operating 37, 39 option selection 66 out-of-plane distortion 49 P package size 38 package test specification 5 packaged 38 parameter rounding 62 PCBA 49 peak bits per inch 11 peak operating current 23, 24, 25, 26 peak-to-peak measurements 27 performance characteristics detailed 11 general 12 performance degradation 37 performance highlights 8 physical damage 39 physical dimensions 40 physical interface 62 physical specifications 23 pin descriptions 66 power 67 dissipation 30 requirements, AC 23 requirements, DC 23 sequencing 27 power distribution 3 prefetch/multi-segmented cache control 13 preventive maintenance 15 Q queue tagging 62 R radio interference regulations 3 RCD bit 13 read error rates 15, 43 read/write data heads 11 receivers 67 recommended mounting 38 Recoverable Errors 15 recovered media data 15 reference documents 5 relative humidity 37 Cheetah 15K.6 SAS Product Manual, Rev. B reliability 9 specifications 15 reliability and service 16 repair and return information 21 reporting actual retry count 62 reservation conflict status 62 resonance 37 return information 21 rotation speed 11 S safety 3 SAS interface 66 physical interface 62 task management functions 51 SAS documents 5 SAS Interface Manual 3, 5 SCSI interface commands supported 53 seek error defined 16 rate 15 seek performance characteristics 11 seek time average typical 11 full stroke typical 11 single track typical 11 segmented caching 62 Self-Monitoring Analysis and Reporting Technology 9, 17 Serial Attached SCSI (SAS) Interface Manual 1 shielding 3 shipping 21 shipping container 36 shock 37 and vibration 37 shock mount 49 signal characteristics 67 single-unit shipping pack kit 9 SMART 9, 17 SMP = 1 in Mode Select command 62 spindle brake 8 standards 3 start/stop time 12 Sulfur 40 support services 79 surface stiffness allowable for non-flat surface 49 switches 47 synchronized spindle operation 62 system chassis 49 83

Section	Page
1.0 Scope	5
2.0 Standards, compliance and reference documents	7
2.1 Standards	7
2.1.1 Electromagnetic compatibility	7
2.1.1.1 Electromagnetic susceptibility	7
2.2 Compliance	8
2.2.1 Electromagnetic compliance	8
2.3 European Union Restriction of Hazardous Substances (RoHS)	8
2.4 Reference documents	9
3.0 General description	11
3.1 Standard features	12
3.2 Media description	12
3.3 Performance	12
3.4 Reliability	13
3.5 Formatted capacities	13
3.6 Programmable drive capacity	13
3.7 Factory-installed options	13
4.0 Performance characteristics	15
4.1 Internal drive characteristics	15
4.2 Seek time	15
4.2.1 Access time	15
4.2.2 Format command execution time (minutes)	16
4.2.3 General performance characteristics	16
4.3 Start/stop time	16
4.4 Prefetch/multi-segmented cache control	17
4.5 Cache operation	17
4.5.1 Caching write data	18
4.5.2 Prefetch operation	18
5.0 Reliability specifications	19
5.1 Error rates	19
5.1.1 Recoverable Errors	19
5.1.2 Unrecoverable Errors	19
5.1.3 Seek errors	20
5.1.4 Interface errors	20
5.2 Reliability and service	20
5.2.1 Annualized Failrue Rate (AFR) and Mean time between failure (MTBF)	20
5.2.2 Preventive maintenance	20
5.2.3 Hot plugging the drive	20
5.2.4 S.M.A.R.T.	21
5.2.5 Thermal monitor	22
5.2.6 Drive Self Test (DST)	23
5.2.6.1 DST failure definition	23
5.2.6.2 Implementation	23
5.2.6.2.1 State of the drive prior to testing	23
5.2.6.2.2 Invoking DST	24
5.2.6.2.3 Short and extended tests	24
5.2.6.2.4 Log page entries	24
5.2.6.2.5 Abort	25
5.2.7 Product warranty	25
6.0 Physical/electrical specifications	27
6.1 AC power requirements	27
6.2 DC power requirements	27
6.2.1 Conducted noise immunity	31
6.2.2 Power sequencing	31
6.2.3 Current profiles	31
6.3 Power dissipation	34
6.4 Environmental limits	40
6.4.1 Temperature	40
6.4.2 Relative humidity	41
6.4.3 Effective altitude (sea level)	41
6.4.4 Shock and vibration	41
6.4.4.1 Shock	41
6.4.4.2 Vibration	43
6.4.5 Acoustics	43
6.4.6 Air cleanliness	43
6.4.7 Corrosive environment	43
6.4.8 Electromagnetic susceptibility	44
6.5 Mechanical specifications	44
7.0 Defect and error management	47
7.1 Drive internal defects/errors	47
7.2 Drive error recovery procedures	47
7.3 SAS system errors	49
7.4 Background Media Scan	49
7.5 Media Pre-Scan	49
7.6 Deferred Auto-Reallocation	50
7.7 Idle Read After Write	50
8.0 Installation	51
8.1 Drive orientation	51
8.2 Cooling	51
8.3 Drive mounting	53
8.4 Grounding	53
9.0 Interface requirements	55
9.1 SAS features	55
9.1.1 task management functions	55
9.1.2 task management responses	55
9.2 Dual port support	56
9.3 SCSI commands supported	57
9.3.1 Inquiry data	61
9.3.2 Mode Sense data	62
9.3.2.1 ST3450856SS/ST3450056SS Mode Sense data	63
9.3.2.2 ST3300656SS/ST3300056SS Mode Sense data	64
9.3.2.3 ST3146356SS/ST3146756SS Mode Sense data	65
9.4 Miscellaneous operating features and conditions	66
9.4.1 SAS physical interface	66
9.4.2 Physical characteristics	69
9.4.3 Connector requirements	69
9.4.4 Electrical description	70
9.4.5 Pin descriptions	70
9.4.6 SAS transmitters and receivers	71
9.4.7 Power	71
9.5 Signal characteristics	71
9.5.1 Ready LED Out	71
9.5.2 Differential signals	72
9.5.2.1 Eye masks	72
9.5.2.1.1 Eye masks overview	72
9.5.2.1.2 Receive eye mask	73
9.5.2.1.3 Jitter tolerance masks	73
9.5.2.2 Transmitter signal characteristics	75
9.5.2.3 Receiver signal characteristics	76
9.5.2.3.1 Jitter	76
9.5.2.3.2 Receiver jitter tolerance	77
9.5.2.3.3 Compliant jitter test pattern (CJTPAT)	77
9.5.2.3.4 Impedance specifications	77
9.5.2.4 Electrical TxRx connections	78
9.5.2.4.1 Transmitter characteristics	78
9.5.2.5 Receiver characteristics	81
10.0 Seagate Technology support services	83
Numerics	85
A	85
B	85
C	85
D	85
E	85
F	86
G	86
H	86
I	86
J	86
L	86
M	86
N	86
O	87
P	87
Q	87
R	87
S	87
T	88
U	88
V	88
W	88

Match case Limit results 1 per page

Cheetah 15K.6 SAS Product Manual, Rev. B

non-operating

temperature

non-operating vibration

office environment

operating

option selection

out-of-plane distortion

package size

package test specification

packaged

parameter rounding

PCBA

peak bits per inch

peak operating current

peak-to-peak measurements

performance characteristics

detailed

general

performance degradation

performance highlights

physical damage

physical dimensions

physical interface

physical specifications

pin descriptions

power

dissipation

requirements, AC

requirements, DC

sequencing

power distribution

prefetch/multi-segmented cache control

preventive maintenance

queue tagging

radio interference regulations

RCD bit

read error rates

read/write data heads

receivers

recommended mounting

Recoverable Errors

recovered media data

reference

documents

relative humidity

reliability

specifications

reliability and service

repair and return information

reporting actual retry count

reservation conflict status

resonance

return information

rotation speed

safety

SAS

interface

physical interface

task management functions

SAS documents

SAS Interface Manual

SCSI interface

commands supported

seek error

defined

rate

seek performance characteristics

seek time

average typical

full stroke typical

single track typical

segmented caching

Self-Monitoring Analysis and Reporting Technology

Serial Attached SCSI (SAS) Interface Manual

shielding

shipping

shipping container

shock

and vibration

shock mount

signal

characteristics

single-unit shipping pack kit

SMART

SMP = 1 in Mode Select command

spindle brake

standards

start/stop time

Sulfur

support services

surface stiffness

allowable for non-flat surface

switches

synchronized spindle

operation

system chassis