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Cheetah X15 36LP ST318432LC
Seagate Cheetah X15 36LP ST318432LC Manuals
Manuals and User Guides for Seagate Cheetah X15 36LP ST318432LC. We have
1
Seagate Cheetah X15 36LP ST318432LC manual available for free PDF download: Product Manual
Seagate Cheetah X15 36LP ST318432LC Product Manual (94 pages)
Cheetah X15 36LP Disc Drive
Brand:
Seagate
| Category:
Storage
| Size: 1.04 MB
Table of Contents
Table of Contents
7
1 Scope
11
Figure 1. Cheetah X15 36LP Family Drive (ST336752LC Shown)
11
2 Applicable Standards and Reference Documentation
13
Standards
13
Electromagnetic Compatibility
13
Electromagnetic Susceptibility
13
Electromagnetic Compliance
13
Reference Documents
14
Cheetah X15 36LP Product Manual, Rev. D
15
3 General Description
15
Standard Features
16
Media Characteristics
16
Performance
16
Reliability
16
Unformatted and Formatted Capacities
17
Programmable Drive Capacity
17
Factory Installed Accessories
17
Options (Factory Installed)
17
Accessories (User Installed)
17
Cheetah X15 36LP Product Manual, Rev. D
17
4 Performance Characteristics
18
Internal Drive Characteristics (Transparent to User)
18
SCSI Performance Characteristics (Visible to User)
18
Access Time [5]
18
Format Command Execution Time (Minutes) [1]
18
Generalized Performance Characteristics
18
Start/Stop Time
19
Prefetch/Multi-Segmented Cache Control
19
Cache Operation
19
Caching Write Data
20
Prefetch Operation
21
Optimizing Cache Performance for Desktop and Server Applications
21
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
Preventive Maintenance
24
Service Life
24
Service Philosophy
24
Service Tools
24
Hot Plugging Cheetah X15 36LP Disc Drives
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
32
Power Sequencing
32
Current Profile
32
Figure 2. Typical ST336752 and ST336732 Drive +12 V Current Profile
32
Figure 3. Typical ST336752 and ST336732 Drive +5 V Current Profile
33
Figure 4. Typical ST318452 and ST318432 Drive +12 V Current Profile
33
Figure 5. Typical ST318452 and ST318432 Drive +5 V Current Profile
34
Power Dissipation
35
Figure 6. ST336752 and ST336732 DC Current and Power Vs. IOPS (SE)
35
Figure 7. ST336752 and ST336732 DC Current and Power Vs. IOPS (LVD)
35
Figure 8. ST318452 and ST318432 DC Current and Power Vs. IOPS (SE)
36
Figure 9. ST318452 and ST318432 DC Current and Power Vs. IOPS (LVD)
36
Environmental Limits
37
Temperature
37
Relative Humidity
37
Effective Altitude (Sea Level)
37
Figure 10. Locations of the HDA Temperature Check Point
37
Shock and Vibration
38
Figure 11. Recommended Mounting
39
Air Cleanliness
40
Acoustics
40
Electromagnetic Susceptibility
40
Mechanical Specifications
41
Figure 12. LW Mounting Configuration Dimensions
41
Figure 13. LC Mounting Configuration Dimensions
42
7 Defect and Error Management
43
Drive Internal Defects
43
Drive Error Recovery Procedures
43
SCSI Systems Errors
44
8 Installation
45
Drive ID/Option Select Header
45
Figure 14. J6 Jumper Header
46
Figure 15. J5 Jumper Header (on LW Models Only)
47
Figure 16. J2 Option Select Header (on LW Models Only)
48
Notes for Figures 14, 15, and 16
48
Function Description
49
Drive Orientation
50
Cooling
50
Figure 17. Air Flow (Suggested)
50
Drive Mounting
51
Grounding
51
9 Interface Requirements
53
General Description
53
SCSI Interface Messages Supported
53
SCSI Interface Commands Supported
54
Inquiry Vital Product Data
57
Mode Sense Data
58
SCSI Bus Conditions and Miscellaneous Features Supported
63
Synchronous Data Transfer
64
Synchronous Data Transfer Periods Supported
64
REQ/ACK Offset
64
Physical Interface
64
DC Cable and Connector
65
Figure 18. LW Model Drive Physical Interface (68-Pin J1 SCSI I/O Connector)
66
Figure 19. LC Model Drive Physical Interface (80-Pin J1 SCSI I/O Connector)
66
SCSI Interface Physical Description
67
SCSI Interface Cable Requirements
68
Mating Connectors
69
Figure 20. SCSI Daisy Chain Interface Cabling for LW Drives
70
Figure 21. Nonshielded 68 Pin SCSI Device Connector Used on LW Drives
71
Figure 22. Nonshielded 80 Pin SCSI "SCA-2" Connector, Used on LC Drives
72
Electrical Description
77
Multimode-SE and LVD Alternatives
77
Figure 23. Typical SE-LVD Alternative Transmitter Receiver Circuits
78
Terminator Requirements
80
Terminator Power
80
Disc Drive SCSI Timing
81
Drive Activity LED
82
10 Seagate Technology Support Services
83
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