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Cheetah 18LP
Seagate Cheetah 18LP Manuals
Manuals and User Guides for Seagate Cheetah 18LP. We have
2
Seagate Cheetah 18LP manuals available for free PDF download: Product Manual, Installation Manual
Seagate Cheetah 18LP Product Manual (94 pages)
18LP Family
Brand:
Seagate
| Category:
Storage
| Size: 1.72 MB
Table of Contents
Table of Contents
7
1 Scope
11
Figure 1. Cheetah 18LP Family Drive (LW Model Shown)
11
2 Applicable Standards and Reference Documentation
13
Standards
13
Electromagnetic Compatibility
13
Electromagnetic Susceptibility
13
Electromagnetic Compliance
13
Reference Documents
14
3 General Description
15
Figure 2. Cheetah 18LP Family Drive
16
Standard Features
17
Media Characteristics
17
Performance
17
Reliability
17
Unformatted and Formatted Capacities
18
Programmable Drive Capacity
18
Factory Installed Accessories
18
Options (Factory Installed)
18
Accessories (User Installed)
18
4 Performance Characteristics
19
Internal Drive Characteristics (Transparent to User)
19
SCSI Performance Characteristics (Visible to User)
19
Access Time
19
Format Command Execution Time (Minutes)
19
Generalized Performance Characteristics
19
Start/Stop Time
20
Prefetch/Multi-Segmented Cache Control
20
Cache Operation
20
Caching Write Data
21
Prefetch Operation
22
5 Reliability Specifications
23
Error Rates
23
Environmental Interference
23
Read Errors
23
Write Errors
23
Seek Errors
23
Reliability and Service
24
Mean Time between Failure
24
Field Failure Rate Vs Time
24
Preventive Maintenance
25
Service Life
25
Service Philosophy
25
Service Tools
25
Hot Plugging Cheetah 18LP Disc Drives
25
S.M.a.r.t
26
Product Warranty
27
6 Physical/Electrical Specifications
29
AC Power Requirements
29
DC Power Requirements
29
Conducted Noise Immunity
30
Power Sequencing
30
Current Profile
30
Figure 3. Typical ST318203 and ST318233 Drive +12 V Current Profile
31
Figure 4. Typical ST39103 and ST39133 Drive +12 V Current Profile
31
Figure 5. Typical ST318203 and ST318233 Drive +5 V Current Profile
32
Figure 6. Typical ST39103 and ST39133 Drive +5 V Current Profile
32
Power Dissipation
33
Figure 7. ST318203 DC Current and Power Vs. Input/Output Operations Per Second (SE)
33
Figure 8. ST318203 DC Current and Power Vs. Input/Output Operations Per Second (LVD)
33
Figure 9. ST39103 DC Current and Power Vs. Input/Output Operations Per Second (SE)
34
Figure 10. ST39103 DC Current and Power Vs. Input/Output Operations Per Second (LVD)
34
Figure 11. ST318233 DC Current and Power Vs. Input/Output Operations Per Second (SE)
35
Figure 12. ST318233 DC Current and Power Vs. Input/Output Operations Per Second (LVD)
35
Figure 13. ST39133 DC Current and Power Vs. Input/Output Operations Per Second (SE)
36
Figure 14. ST39133 DC Current and Power Vs. Input/Output Operations Per Second (LVD)
36
Environmental Limits
37
Temperature
37
Relative Humidity
38
Effective Altitude (Sea Level)
38
Figure 15. Locations of PCBA Components Listed in Tables 3 and 4
38
Shock and Vibration
39
Shock
39
Figure 16. Recommended Mounting
40
Vibration
41
Air Cleanliness
41
Acoustics
41
Electromagnetic Susceptibility
41
Mechanical Specifications
42
Figure 17. LW and LWV Mounting Configuration Dimensions
42
Figure 18. LC and LCV Mounting Configuration Dimensions
43
7 Defect and Error Management
45
Drive Internal Defects
45
Drive Error Recovery Procedures
45
SCSI Systems Errors
46
8 Installation
47
Drive ID/Option Select Header
47
Figure 19. J6 Jumper Header
48
Figure 20. J5 Jumper Header (on LW and LWV Models Only)
49
Figure 21. J2 Option Select Header
50
Notes for Figures 19, 20, and 21
50
Function Description
51
Drive Orientation
52
Cooling
52
Air Flow
52
Figure 22. Air Flow (Suggested)
52
Drive Mounting
53
Grounding
53
9 Interface Requirements
55
General Description
55
SCSI Interface Messages Supported
55
SCSI Interface Commands Supported
56
Inquiry Vital Product Data
59
Mode Sense Data
60
SCSI Bus Conditions and Miscellaneous Features Supported
63
Synchronous Data Transfer
64
Synchronous Data Transfer Periods Supported
64
REQ/ACK Offset
64
Physical Interface
65
DC Cable and Connector
65
Figure 23. LW and LWV Model Drive Physical Interface (68-Pin J1 SCSI I/O Connector)
66
Figure 24. LC and LCV Model Drive Physical Interface (80-Pin J1 SCSI I/O Connector)
66
SCSI Interface Physical Description
67
SCSI Interface Cable Requirements
68
Mating Connectors
68
Mating Connectors for LW and LWV Model Drives
68
Mating Connectors for LC and LCV Model Drives
69
Figure 25. SCSI Daisy Chain Interface Cabling for LW and LWV Drives
70
Figure 26. Nonshielded 68 Pin SCSI Device Connector Used on LW and LWV Drives
71
Figure 27. Nonshielded 80 Pin SCSI "SCA-2" Connector, Used on LC and LCV Drives
72
Electrical Description
77
Multimode-SE and LVD Alternatives
77
Figure 28. LVD Output Signals
78
Figure 29. Typical SE-LVD Alternative Transmitter Receiver Circuits
78
General Cable Characteristics
79
Low Voltage Differential I/O Circuits
79
Single-Ended Drivers/Receivers
79
Terminator Requirements
79
Terminator Power
79
Disc Drive SCSI Timing
80
Drive Activity LED
81
10 Seagate Technology Support Services
83
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Seagate Cheetah 18LP Installation Manual (52 pages)
Disc Drive
Brand:
Seagate
| Category:
Storage
| Size: 0.41 MB
Table of Contents
Table of Contents
2
Preface
3
Electrostatic Discharge Protection
4
Important Safety Information and Precautions
5
Wichtige Sicherheitshinweise
7
Regulatory Agency Compliance
10
General Description
12
Kühlung des Systems
15
How to Install the Drive
19
Seagate Technology Support Services
43
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