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Cheetah ST373454
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Manuals and User Guides for Seagate Cheetah ST373454. We have
1
Seagate Cheetah ST373454 manual available for free PDF download: User Manual
Seagate Cheetah ST373454 User Manual (108 pages)
Cheetah 15K.4 SCSI Product Manual
Brand:
Seagate
| Category:
Storage
| Size: 2.9 MB
Table of Contents
Table of Contents
7
1 Scope
11
Figure 1. Cheetah 15K.4 SCSI Family Drive (ST3146854LC Shown)
11
2 Applicable Standards and Reference Documentation
13
Standards
13
Electromagnetic Compatibility
13
Electromagnetic Susceptibility
13
Electromagnetic Compliance
14
Reference Documents
15
3 General Description
17
Standard Features
18
Media Characteristics
18
Performance
19
Reliability
19
Formatted Capacities
19
Programmable Drive Capacity
19
Factory Installed Accessories
20
Options (Factory Installed)
20
Accessories (User Installed)
20
4 Performance Characteristics
21
Internal Drive Characteristics (Transparent to User)
21
SCSI Performance Characteristics (Visible to User)
21
Access Time
22
Format Command Execution Time (Minutes)
22
Generalized Performance Characteristics
22
Start/Stop Time
23
Prefetch/Multi-Segmented Cache Control
23
Cache Operation
23
Caching Write Data
24
Prefetch Operation
24
Optimizing Cache Performance for Desktop and Server Applications
25
5 Reliability Specifications
27
Error Rates
27
Recoverable Errors
27
Unrecoverable Errors
27
Seek Errors
28
Reliability and Service
28
Mean Time between Failure
28
Preventive Maintenance
28
Hot Plugging Cheetah 15K.4 SCSI Disc Drives
28
S.M.a.r.t
29
Thermal Monitor
30
Drive Self Test (DST)
31
Product Warranty
33
6 Physical/Electrical Specifications
35
AC Power Requirements
35
DC Power Requirements
35
Conducted Noise Immunity
37
Power Sequencing
37
Current Profile
37
Figure 2. Typical ST3146854 Drive +12V LVD Current Profile
38
Figure 3. Typical ST3146854 Drive +5 V LVD Current Profile
38
Figure 4. Typical ST373454 Drive +12V LVD Current Profile
39
Figure 5. Typical ST373454 Drive +5V LVD Current Profile
39
Figure 6. Typical ST336754 Drive +12V LVD Current Profile
40
Figure 7. Typical ST336754 Drive +5V LVD Current Profile
40
Power Dissipation
41
Figure 8. ST3146854 DC Current and Power Vs. IOPS (SE)
41
Figure 9. ST3146854 DC Current and Power Vs. IOPS (LVD)
41
Figure 10. ST373454 DC Current and Power Vs. IOPS (SE)
42
Figure 11. ST373454 DC Current and Power Vs. IOPS (LVD)
42
Figure 12. ST336754 DC Current and Power Vs. IOPS (SE)
43
Figure 13. ST336754 DC Current and Power Vs. IOPS (LVD)
43
Environmental Limits
44
Temperature
44
Relative Humidity
44
Effective Altitude (Sea Level)
44
Figure 14. Locations of the HDA Temperature Check Point
44
Shock and Vibration
45
Figure 15. Recommended Mounting
46
Air Cleanliness
47
Corrosive Environment
47
Acoustics
48
Electromagnetic Susceptibility
48
Mechanical Specifications
48
Figure 16. LW Mounting Configuration Dimensions
48
Figure 17. LC Mounting Configuration Dimensions
49
7 Defect and Error Management
51
Drive Internal Defects
51
Drive Error Recovery Procedures
51
SCSI Systems Errors
53
Background Media Scan
53
Media Pre-Scan
54
8 Installation
55
Drive ID/Option Select Header
55
Figure 18. J6 Jumper Header
56
Figure 19. J5 Jumper Header (on LW Models Only)
57
Figure 20. J2 Option Select Header (on LW Models Only)
58
Notes for Figures 18, 19, and 20
58
Function Description
59
Drive Orientation
60
Cooling
60
Figure 21. Air Flow (Suggested)
60
Drive Mounting
61
Grounding
61
9 Interface Requirements
63
General Description
63
SCSI Interface Messages Supported
63
SCSI Interface Commands Supported
64
Inquiry Vital Product Data
68
Mode Sense Data
69
SCSI Bus Conditions and Miscellaneous Features Supported
73
Synchronous Data Transfer
74
Synchronous Data Transfer Periods Supported
74
REQ/ACK Offset
74
Physical Interface
74
DC Cable and Connector
75
Figure 22. LW Model Drive Physical Interface (68-Pin J1 SCSI I/O Connector)
76
Figure 23. LC Model Drive Physical Interface (80-Pin J1 SCSI I/O Connector)
76
SCSI Interface Physical Description
77
SCSI Interface Cable Requirements
77
Mating Connectors
78
Figure 24. SCSI Daisy-Chain Interface Cabling for LW Drives
80
Figure 25. Nonshielded 68-Pin SCSI Device Connector Used on LW Drives
81
Figure 26. Nonshielded 80-Pin SCSI SCA-2 Connector Used on LC Drives
82
Electrical Description
87
Multimode-SE and LVD Alternatives
87
Figure 27. Typical SE-LVD Alternative Transmitter Receiver Circuits
88
Terminator Requirements
90
Terminator Power
90
Disc Drive SCSI Timing
91
Drive Activity LED
93
10 Seagate Technology Support Services
95
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