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Cheetah 15K.5 SAS Series
Seagate Cheetah 15K.5 SAS Series Manuals
Manuals and User Guides for Seagate Cheetah 15K.5 SAS Series. We have
1
Seagate Cheetah 15K.5 SAS Series manual available for free PDF download: Product Manual
Seagate Cheetah 15K.5 SAS Series Product Manual (90 pages)
Cheetah 15K.5 SAS
Brand:
Seagate
| Category:
Storage
| Size: 1 MB
Table of Contents
Table of Contents
5
1 Scope
9
Figure 1. Cheetah 15K.5 SAS Disc Drive
9
2 Standards, Compliance and Reference Documents
11
Standards
11
Electromagnetic Compatibility
11
Compliance
12
Electromagnetic Compliance
12
European Union Restriction of Hazardous Substances (Rohs)
12
Reference Documents
13
3 General Description
15
Standard Features
16
Media Description
16
Performance
16
Reliability
17
Formatted Capacities
17
Programmable Drive Capacity
17
Factory-Installed Accessories
17
Options (Factory Installed)
18
User-Installed Accessories
18
4 Performance Characteristics
19
Internal Drive Characteristics
19
Seek Time
19
Access Time
19
Format Command Execution Time (Minutes)
20
General Performance Characteristics
20
Start/Stop Time
20
Prefetch/Multi-Segmented Cache Control
21
Cache Operation
21
Caching Write Data
22
Prefetch Operation
22
5 Reliability Specifications
23
Error Rates
23
Recoverable Errors
23
Unrecoverable Errors
23
Seek Errors
24
Interface Errors
24
Reliability and Service
24
Mean Time between Failure (MTBF)
24
Preventive Maintenance
24
Hot Plugging the Drive
25
S.M.a.r.t
25
Thermal Monitor
26
Drive Self Test (DST)
27
Product Warranty
29
6 Physical/Electrical Specifications
31
AC Power Requirements
31
DC Power Requirements
31
Conducted Noise Immunity
33
Power Sequencing
33
Current Profiles
33
Figure 2. Typical ST3300655SS Drive +12V Current Profile
34
Figure 3. Typical ST3300655SS Drive +5V Current Profile
34
Figure 4. Typical ST3146855SS Drive +12V Current Profile
35
Figure 5. Typical ST3146855SS Drive +5V Current Profile
35
Figure 6. Typical ST373455SS Drive +12V Current Profile
36
Figure 7. Typical ST373455SS Drive +5V Current Profile
36
Power Dissipation
37
Figure 8. ST3300655SS (3 Gbit) DC Current and Power Vs. Input/Output Operations Per Second
37
Figure 9. ST3146855SS (3 Gbit) DC Current and Power Vs. Input/Output Operations Per Second
38
Figure 10. ST373455SS (3 Gbit) DC Current and Power Vs. Input/Output Operations Per Second
39
Environmental Limits
40
Temperature
40
Figure 11. Location of the HDA Temperature Check Point
40
Relative Humidity
41
Effective Altitude (Sea Level)
41
Shock and Vibration
41
Figure 12. Recommended Mounting
42
Air Cleanliness
43
Corrosive Environment
43
Acoustics
44
Electromagnetic Susceptibility
44
Mechanical Specifications
44
Figure 13. Physical Dimensions
44
7 Defect and Error Management
45
Drive Internal Defects/Errors
45
Drive Error Recovery Procedures
45
SAS System Errors
47
Background Media Scan
47
Media Pre-Scan
47
Deferred Auto-Reallocation
48
Idle Read after Write
48
8 Installation
49
Drive Orientation
49
Figure 14. Physical Interface
49
Cooling
50
Figure 15. Air Flow
50
Drive Mounting
51
Grounding
51
9 Interface Requirements
53
SAS Features
53
Task Management Functions
53
Task Management Responses
53
Dual Port Support
54
SCSI Commands Supported
55
Inquiry Data
59
Mode Sense Data
59
Miscellaneous Operating Features and Conditions
64
SAS Physical Interface
65
Figure 16. Physical Interface
65
Figure 17. SAS Connector Dimensions
66
Physical Characteristics
67
Connector Requirements
67
Figure 18. SAS Connector Dimensions
67
Electrical Description
68
Pin Descriptions
68
SAS Transmitters and Receivers
69
Power
69
Signal Characteristics
69
Ready LED out
69
Figure 19. SAS Transmitters and Receivers
69
Differential Signals
70
Figure 20. Receive Eye Mask
71
Figure 21. Receive Tolerance Eye Mask
71
Figure 22. Sinusoidal Jitter Mask
72
Figure 23. Compliance Interconnect Test Load
77
Figure 24. Zero-Length Test Load
78
Figure 25. ISI Loss Example at 3.0 Gbps
78
Figure 26. ISI Loss Example at 1.5 Gbps
78
10 Seagate Technology Support Services
81
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