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If this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZS3548

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4 Cheetah 73LP Product Manual, Rev. C Australian C-Tick If this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZS3548 1995 and meets the Electromagnetic Compatibility (EMC) Framework requirements of Australia's Spectrum Management Agency (SMA). Korean MIC If this model has the Korean Ministry of Information and Communication (MIC) logo, it complies with paragraph 1 of Article 11 of the Electromagnetic Compatibility (EMC) Control Regulation and meets the Electromagnetic Compatibility Framework requirements of the Radio Research Laboratory (RRL) Ministry of Information and Communication Republic of Korea. Taiwanese BSMI If this model has two Chinese words meaning "EMC certification" followed by an eight digit identification number, as a Marking, it complies with Chinese National Standard (CNS) 13438 and meets the Electromagnetic Compatibility (EMC) Framework requirements of the Taiwanese Bureau of Standards, Metrology, and Inspection (BSMI). 2.3 Reference documents Cheetah 73LP Installation Guide Seagate P/N 100109946 SCSI Interface Product Manual Seagate P/N 75789509 ANSI small computer system interface (SCSI) document numbers: T10/1143D Enhanced SCSI Parallel Interface (EPI) T10/1236D SCSI Primary Commands-2 (SPC-2) T10/996D SCSI Block Commands (SBC) T10/1157D SCSI Architectural Model-2 (SAM-2) T10/1302D SCSI Parallel Interface Version 3 (SPI-3) SFF-8451, Specification for SCA-2 Unshielded Connections Package Test Specification Seagate P/N 30190-001 (under 100 lb.) Package Test Specification Seagate P/N 30191-001 (over 100 lb.) Specification, Acoustic Test Requirements, and Procedures Seagate P/N 30553-001 In case of conflict between this document and any referenced document, this document takes precedence.

Section	Page
Contents	7
1.0 Scope 1	7
2.0 Applicable standards and reference documentation 3	7
2.1 Standards 3	7
2.1.1 Electromagnetic compatibility 3	7
2.1.2 Electromagnetic susceptibility 3	7
2.2 Electromagnetic compliance 3	7
2.3 Reference documents 4	7
3.0 General description 5	7
3.1 Standard features 7	7
3.2 Media characteristics 7	7
3.3 Performance 7	7
3.4 Reliability 7	7
3.5 Unformatted and formatted capacities 8	7
3.6 Programmable drive capacity 8	7
3.7 Factory installed accessories 8	7
3.8 Options (factory installed) 8	7
3.9 Accessories (user installed) 8	7
4.0 Performance characteristics 9	7
4.1 Internal drive characteristics (transparent to user) 9	7
4.2 SCSI performance characteristics (visible to user) 9	7
4.2.1 Access time 9	7
4.2.2 Format command execution time (minutes) 9	7
4.2.3 Generalized performance characteristics 9	7
4.3 Start/stop time 10	7
4.4 Prefetch/multi-segmented cache control 10	7
4.5 Cache operation 11	7
4.5.1 Caching write data 11	7
4.5.2 Prefetch operation 12	7
4.5.3 Optimizing cache performance for desktop and server applications 12	7
5.0 Reliability specifications 13	7
5.1 Error rates 13	7
5.1.1 Environmental interference 13	7
5.1.2 Read errors 13	7
5.1.3 Write errors 13	7
5.1.4 Seek errors 13	7
5.2 Reliability and service 14	7
5.2.1 Mean time between failure (MTBF) 14	7
5.2.2 Preventive maintenance 14	7
5.2.3 Service life 14	7
5.2.4 Service philosophy 14	7
5.2.5 Service tools 14	7
5.2.6 Hot plugging Cheetah 73LP disc drives 15	7
5.2.7 S.M.A.R.T. 15	7
5.2.8 Drive Self Test (DST) 16	7
5.2.9 Product warranty 19	7
6.0 Physical/electrical specifications 21	7
6.1 AC power requirements 21	7
6.2 DC power requirements 21	7
6.2.1 Conducted noise immunity 22	7
6.2.2 Power sequencing 22	7
6.2.3 12 V - Current profile 22	7
6.3 Power dissipation 25	7
6.4 Environmental limits 27	7
6.4.1 Temperature 27	8
6.4.2 Relative humidity 27	8
6.4.3 Effective altitude (sea level) 28	8
6.4.4 Shock and vibration 28	8
6.4.5 Air cleanliness 30	8
6.4.6 Acoustics 30	8
6.4.7 Electromagnetic susceptibility 30	8
6.5 Mechanical specifications 31	8
7.0 Defect and error management 33	8
7.1 Drive internal defects 33	8
7.2 Drive error recovery procedures 33	8
7.3 SCSI systems errors 34	8
8.0 Installation 35	8
8.1 Drive ID/option select header 35	8
8.1.1 Notes for Figures 15, 16, and 17. 38	8
8.1.2 Function description 39	8
8.2 Drive orientation 40	8
8.3 Cooling 40	8
8.4 Drive mounting 41	8
8.5 Grounding 41	8
9.0 Interface requirements 43	8
9.1 General description 43	8
9.2 SCSI interface messages supported 43	8
9.3 SCSI interface commands supported 44	8
9.3.1 Inquiry Vital Product data 47	8
9.3.2 Mode Sense data 48	8
9.4 SCSI bus conditions and miscellaneous features supported 51	8
9.5 Synchronous data transfer 52	8
9.5.1 Synchronous data transfer periods supported 52	8
9.5.2 REQ/ACK offset 52	8
9.6 Physical interface 52	8
9.6.1 DC cable and connector 52	8
9.6.2 SCSI interface physical description 54	8
9.6.3 SCSI interface cable requirements 54	8
9.6.4 Mating connectors 55	8
9.7 Electrical description 63	8
9.7.1 Multimode—SE and LVD alternatives 63	8
9.8 Terminator requirements 65	8
9.9 Terminator power 65	8
9.10 Disc drive SCSI timing 66	8
9.11 Drive activity LED 67	8
10.0 Seagate Technology support services 69	8
Figure 1. Cheetah 73LP family drive (ST373405LW shown) 1	9
Figure 2. Cheetah 73LP family drive 6	9
Figure 3. Typical ST373405 drive +12 V current profile 22	9
Figure 4. Typical ST336605 drive +12 V current profile 23	9
Figure 5. Typical ST373405 drive +5 V current profile 23	9
Figure 6. Typical ST336605 drive +5 V current profile 24	9
Figure 7. ST373405 DC current and power vs. input/output operations per second (SE) 25	9
Figure 8. ST373405 DC current and power vs. input/output operations per second (LVD) 25	9
Figure 9. ST336605 DC current and power vs. input/output operations per second (SE) 26	9
Figure 10. ST336605 DC current and power vs. input/output operations per second (LVD) 26	9
Figure 11. Location of the HDA Temperature check point 27	9
Figure 12. Recommended mounting 29	9
Figure 13. ST373405LW mounting configuration dimensions 31	9
Figure 14. ST373405LC mounting configuration dimensions 32	9
Figure 15. J6 jumper header 36	9
Figure 16. J5 jumper header (on LW models only) 37	9
Figure 17. J2 option select header 38	9
Figure 18. Air flow (suggested) 40	9
Figure 19. LW model drive physical interface (68-pin J1 SCSI I/O connector) 53	9
Figure 20. LC model drive physical interface (80-pin J1 SCSI I/O connector) 53	9
Figure 21. SCSI daisy chain interface cabling for LW drives 56	9
Figure 22. Nonshielded 68 pin SCSI device connector used on LW drives 57	9
Figure 23. Nonshielded 80 pin SCSI “SCA-2” connector, used on LC drives 58	9
Figure 24. LVD output signals 64	9
Figure 25. Typical SE-LVD alternative transmitter receiver circuits 64	9
1.0 Scope	11
2.0 Applicable standards and reference documentation	13
2.1 Standards	13
2.1.1 Electromagnetic compatibility	13
2.1.2 Electromagnetic susceptibility	13
2.2 Electromagnetic compliance	13
2.3 Reference documents	14
3.0 General description	15
3.1 Standard features	17
3.2 Media characteristics	17
3.3 Performance	17
3.4 Reliability	17
3.5 Unformatted and formatted capacities	18
3.6 Programmable drive capacity	18
3.7 Factory installed accessories	18
3.8 Options (factory installed)	18
3.9 Accessories (user installed)	18
4.0 Performance characteristics	19
4.1 Internal drive characteristics (transparent to user)	19
4.2 SCSI performance characteristics (visible to user)	19
4.2.1 Access time [5]	19
4.2.2 Format command execution time (minutes) [1]	19
4.2.3 Generalized performance characteristics	19
4.3 Start/stop time	20
4.4 Prefetch/multi-segmented cache control	20
4.5 Cache operation	21
4.5.1 Caching write data	21
4.5.2 Prefetch operation	22
4.5.3 Optimizing cache performance for desktop and server applications	22
5.0 Reliability specifications	23
5.1 Error rates	23
5.1.1 Environmental interference	23
5.1.2 Read errors	23
5.1.3 Write errors	23
5.1.4 Seek errors	23
5.2 Reliability and service	24
5.2.1 Mean time between failure (MTBF)	24
5.2.2 Preventive maintenance	24
5.2.3 Service life	24
5.2.4 Service philosophy	24
5.2.5 Service tools	24
5.2.6 Hot plugging Cheetah 73LP disc drives	25
5.2.7 S.M.A.R.T.	25
5.2.8 Drive Self Test (DST)	26
5.2.8.1 DST Failure Definition	27
5.2.8.2 Implementation	27
5.2.8.2.1 State of the drive prior to testing	27
5.2.8.2.2 Invoking DST	27
5.2.8.2.3 Short and extended tests	28
5.2.8.2.4 Log page entries	28
5.2.8.2.5 Abort	28
5.2.9 Product warranty	29
6.0 Physical/electrical specifications	31
6.1 AC power requirements	31
6.2 DC power requirements	31
6.2.1 Conducted noise immunity	32
6.2.2 Power sequencing	32
6.2.3 12 V - Current profile	32
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 Acoustics	40
6.4.7 Electromagnetic susceptibility	40
6.5 Mechanical specifications	41
7.0 Defect and error management	43
7.1 Drive internal defects	43
7.2 Drive error recovery procedures	43
7.3 SCSI systems errors	44
8.0 Installation	45
8.1 Drive ID/option select header	45
8.1.1 Notes for Figures 15, 16, and 17.	48
8.1.2 Function description	49
8.2 Drive orientation	50
8.3 Cooling	50
8.4 Drive mounting	51
8.5 Grounding	51
9.0 Interface requirements	53
9.1 General description	53
9.2 SCSI interface messages supported	53
9.3 SCSI interface commands supported	54
9.3.1 Inquiry Vital Product data	57
9.3.2 Mode Sense data	58
9.4 SCSI bus conditions and miscellaneous features supported	61
9.5 Synchronous data transfer	62
9.5.1 Synchronous data transfer periods supported	62
9.5.2 REQ/ACK offset	62
9.6 Physical interface	62
9.6.1 DC cable and connector	62
9.6.2 SCSI interface physical description	64
9.6.3 SCSI interface cable requirements	64
9.6.4 Mating connectors	65
9.6.4.1 Mating connectors for LW model drives	65
9.6.4.2 Mating connectors for LC model drives	65
9.7 Electrical description	73
9.7.1 Multimode—SE and LVD alternatives	73
9.7.1.1 Single-ended drivers/receivers	75
9.7.1.2 Low voltage differential I/O circuits	75
9.7.1.3 General cable characteristics	75
9.8 Terminator requirements	75
9.9 Terminator power	75
9.10 Disc drive SCSI timing	76
9.11 Drive activity LED	77
10.0 Seagate Technology support services	79
Symbols	83
Numerics	83
A	83
B	83
C	83
D	84
E	84
F	84
G	84
H	84
I	85
J	85
L	85
M	85
N	85
O	86
P	86
Q	86
R	86
S	86
T	87
U	87
V	87
W	88

Match case Limit results 1 per page

Cheetah 73LP Product Manual, Rev. C

Australian C-Tick

If this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZS3548 1995

and meets the Electromagnetic Compatibility (EMC) Framework requirements of Australia’s Spectrum Man-

agement Agency (SMA).

Korean MIC

If this model has the Korean Ministry of Information and Communication (MIC) logo, it complies with paragraph

1 of Article 11 of the Electromagnetic Compatibility (EMC) Control Regulation and meets the Electromagnetic

Compatibility Framework requirements of the Radio Research Laboratory (RRL) Ministry of Information and

Communication Republic of Korea.

Taiwanese BSMI

If this model has two Chinese words meaning “EMC certification” followed by an eight digit identification num-

ber, as a Marking, it complies with Chinese National Standard (CNS) 13438 and meets the Electromagnetic

Compatibility (EMC) Framework requirements of the Taiwanese Bureau of Standards, Metrology, and Inspec-

tion (BSMI).

2.3

Reference documents

Cheetah 73LP Installation Guide

Seagate P/N 100109946

SCSI Interface Product Manual

Seagate P/N 75789509

ANSI small computer system interface (SCSI) document numbers:

T10/1143D

Enhanced SCSI Parallel Interface (EPI)

T10/1236D

SCSI Primary Commands-2 (SPC-2)

T10/996D

SCSI Block Commands (SBC)

T10/1157D

SCSI Architectural Model-2 (SAM-2)

T10/1302D

SCSI Parallel Interface Version 3 (SPI-3)

SFF-8451, Specification for SCA-2 Unshielded Connections

Package Test Specification

Seagate P/N 30190-001 (under 100 lb.)

Package Test Specification

Seagate P/N 30191-001 (over 100 lb.)

Specification, Acoustic Test Requirements, and Procedures

Seagate P/N 30553-001

In case of conflict between this document and any referenced document, this document takes precedence.