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Seagate ST450MP0074 Savvio 15K SAS Product Manual - Page 81

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Index Numerics 12 volt pins 59 5 volt pins 59 A abort task set function 43 AC coupling 58 AC power requirements 23 ACA active status 53 ACA active, faulted initiator status 53 acoustics 33 active LED Out signal 59 actuator assembly design 7 adaptive caching 53 air cleanliness 32 air flow 29, 40 illustrated 40 air inlet 40 altitude 30 ambient 29 ambient temperature 29, 40 ANSI documents SCSI 5 Serial Attached SCSI 5 asynchronous event notification 53 audible noise 3 auto write and read reallocation programmable 8 automatic contingent allegiance 53 average idle current 23, 24 average rotational latency 11 B Background Media Scan 37 backpanel 57 BMS 37 buffer data 8 space 13 busy status 53 C cache operation 13 cache segments 14 caching write data 14 Canadian Department of Communications 3 capacity unformatted 11 case temperature 29 check condition status 53 class B limit 3 clear ACA function 43 clear task set function 43 commands supported 45 condensation 29 condition met/good status 53 connector illustrated 57 requirements 57 continuous vibration 32 cooling 40 CRC error 16 Current profiles 25 customer service 21 D DAR 37 data block size modifing the 9 data heads read/write 11 data rate internal 11 data transfer rate 12 DC power 57 requirements 23 defect and error management 35 defects 35 Deferred Auto-Reallocation 37 deferred error handling 53 description 7 dimensions 34 disc rotation speed 11 drive 32 drive characteristics 11 drive mounting 34, 41 drive select 57 dual port support 44 E electrical description of connector 57 signal characteristics 59 specifications 23 electromagnetic compatibility 3 electromagnetic susceptibility 33 EMI requirements 3 environment 40 environmental limits 29 requirements 15 Savvio 15K SAS Product Manual, Rev. B 73

Section	Page
Figure 1. Typical ST973451SS current profile 25	7
Figure 2. Typical ST936751SS current profile 26	7
Figure 3. ST973451SS (3 Gbit) DC current and power vs. input/output operations per second 27	7
Figure 4. ST973451SS (1.5 Gbit) DC current and power vs. input/output operations per second 27	7
Figure 5. ST936751SS (3 Gbit) DC current and power vs. input/output operations per second 28	7
Figure 6. ST936751SS (1.5 Gbit) DC current and power vs. input/output operations per second 28	7
Figure 7. Location of the HDA temperature check point 29	7
Figure 8. Recommended mounting 31	7
Figure 9. Mounting configuration dimensions 34	7
Figure 10. Physical interface 39	7
Figure 11. Air flow 40	7
Figure 12. Physical interface 54	7
Figure 13. SAS device plug dimensions 55	7
Figure 14. SAS device plug dimensions (detail) 56	7
Figure 15. SAS transmitters and receivers 58	7
Figure 16. Receive eye mask 60	7
Figure 17. Reveive tolerance eye mask 61	7
Figure 18. Sinusoidal jitter mask 62	7
Figure 19. Compliance interconnect test load 67	7
Figure 20. Zero-length test load 68	7
Figure 21. ISI loss example at 3.0 Gbps 68	7
Figure 22. ISI loss example at 1.5 Gbps 68	7
1.0 Scope	9
2.0 Applicable standards and reference documentation	11
2.1 Standards	11
2.1.1 Electromagnetic compatibility	11
2.1.1.1 Electromagnetic susceptibility	11
2.1.2 Electromagnetic compliance	12
2.1.3 European Union Restriction of Hazardous Substances (RoHS)	13
2.2 Reference documents	13
3.0 General description	15
3.1 Standard features	16
3.2 Media description	16
3.3 Performance	16
3.4 Reliability	17
3.5 Formatted capacities	17
3.6 Programmable drive capacity	17
3.7 Factory-installed accessories	17
3.8 Options	18
4.0 Performance characteristics	19
4.1 Internal drive characteristics	19
4.2 Seek performance characteristics	19
4.2.1 Access time (Gen 2.0 LP data)	19
4.2.2 Format command execution time	20
4.2.3 General performance characteristics	20
4.3 Start/stop time	21
4.4 Prefetch/multi-segmented cache control	21
4.5 Cache operation	21
4.5.1 Caching write data	22
4.5.2 Prefetch operation	22
5.0 Reliability specifications	23
5.1 Error rates	23
5.1.1 Recoverable Errors	23
5.1.2 Unrecoverable Errors	23
5.1.3 Seek errors	24
5.1.4 Interface errors	24
5.2 Reliability and service	24
5.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failure (MTBF)	24
5.2.2 Preventive maintenance	24
5.2.3 Hot plugging the drive	24
5.2.4 S.M.A.R.T.	25
5.2.5 Thermal monitor	26
5.2.6 Drive Self Test (DST)	26
5.2.6.1 DST failure definition	27
5.2.6.2 Implementation	27
5.2.6.2.1 State of the drive prior to testing	27
5.2.6.2.2 Invoking DST	27
5.2.6.2.3 Short and extended tests	27
5.2.6.2.4 Log page entries	28
5.2.6.2.5 Abort	28
5.2.7 Product warranty	28
6.0 Physical/electrical specifications	31
6.1 AC power requirements	31
6.2 DC power requirements	31
6.2.1 Conducted noise immunity	33
6.2.2 Power sequencing	33
6.2.3 Current profiles	33
6.3 Power dissipation	35
6.4 Environmental limits	37
6.4.1 Temperature	37
6.4.2 Relative humidity	37
6.4.3 Effective altitude (sea level)	38
6.4.4 Shock and vibration	38
6.4.4.1 Shock	38
6.4.4.2 Vibration	40
6.4.5 Air cleanliness	40
6.4.6 Corrosive environment	40
6.4.7 Acoustics	41
6.4.8 Electromagnetic susceptibility	41
6.5 Mechanical specifications	42
7.0 Defect and error management	43
7.1 Drive internal defects/errors	43
7.2 Drive error recovery procedures	43
7.3 SAS system errors	44
7.4 Background Media Scan	45
7.5 Media Pre-Scan	45
7.6 Deferred Auto-Reallocation	45
7.7 Idle Read After Write	46
8.0 Installation	47
8.1 Drive orientation	47
8.2 Cooling	48
8.3 Drive mounting	49
8.4 Grounding	49
9.0 Interface requirements	51
9.1 SAS features	51
9.1.1 task management functions	51
9.1.2 Task management responses	51
9.2 Dual port support	52
9.3 SCSI commands supported	53
9.3.1 Inquiry data	57
9.3.2 Mode Sense data	57
9.4 Miscellaneous operating features and conditions	61
9.4.1 SAS physical interface	62
9.4.2 Physical characteristics	65
9.4.3 Connector requirements	65
9.4.4 Electrical description	65
9.4.5 Pin descriptions	65
9.4.6 SAS transmitters and receivers	66
9.4.7 Power	67
9.5 Signal characteristics	67
9.5.1 Ready LED Out	67
9.5.2 Differential signals	67
9.5.2.1 Eye masks	68
9.5.2.1.1 Eye masks overview	68
9.5.2.1.2 Receive eye mask	68
9.5.2.1.3 Jitter tolerance masks	69
9.5.2.2 Transmitter signal characteristics	70
9.5.2.3 Receiver signal characteristics	71
9.5.2.3.1 Jitter	72
9.5.2.3.2 Receiver jitter tolerance	72
9.5.2.3.3 Compliant jitter test pattern (CJTPAT)	72
9.5.2.3.4 Impedance specifications	73
9.5.2.4 Electrical TxRx connections	74
9.5.2.4.1 Transmitter characteristics	74
9.5.2.5 Receiver characteristics	77
10.0 Seagate Technology support services	79
Numerics	81
A	81
B	81
C	81
D	81
E	81
F	82
G	82
H	82
I	82
J	82
L	82
M	82
N	83
O	83
P	83
Q	83
R	83
S	83
T	84
U	84
V	84
W	84

Match case Limit results 1 per page

Savvio 15K SAS Product Manual, Rev. B

Index

Numerics

12 volt

pins

5 volt pins

abort task set function

AC coupling

AC power requirements

ACA active status

ACA active, faulted initiator status

acoustics

active LED Out signal

actuator

assembly design

adaptive caching

air cleanliness

air flow

illustrated

air inlet

altitude

ambient

ambient temperature

ANSI documents

SCSI

Serial Attached SCSI

asynchronous event notification

audible noise

auto write and read reallocation

programmable

automatic contingent allegiance

average idle current

average rotational latency

Background Media Scan

backpanel

BMS

buffer

data

space

busy status

cache operation

cache segments

caching write data

Canadian Department of Communications

capacity

unformatted

case temperature

check condition status

class B limit

clear ACA function

clear task set function

commands supported

condensation

condition met/good status

connector

illustrated

requirements

continuous vibration

cooling

CRC

error

Current profiles

customer service

DAR

data block size

modifing the

data heads

read/write

data rate

internal

data transfer rate

DC power

requirements

defect and error management

defects

Deferred Auto-Reallocation

deferred error handling

description

dimensions

disc rotation speed

drive

drive characteristics

drive mounting

drive select

dual port support

electrical

description of connector

signal characteristics

specifications

electromagnetic compatibility

electromagnetic susceptibility

EMI requirements

environment

environmental

limits

requirements