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BARRACUDA 2LP
Seagate BARRACUDA 2LP Manuals
Manuals and User Guides for Seagate BARRACUDA 2LP. We have
2
Seagate BARRACUDA 2LP manuals available for free PDF download: Product Manual, Installation Manual
Seagate BARRACUDA 2LP Product Manual (102 pages)
Barracuda 2LP Disc Drive
Brand:
Seagate
| Category:
Storage
| Size: 0.63 MB
Table of Contents
Table of Contents
7
1 Scope
11
Figure 1. Barracuda 2LP Disc Drive (ST32550N Drive Shown)
11
2 Applicable Standard and Reference Documentation
13
Standards
13
Applicable Reference Documents
13
3 General Description
15
Figure 2. Barracuda 2LP Disc Drive (Exploded View)
15
4 Standard Features
17
Performance
17
Reliability
17
Unformatted and Formatted Capacities
18
Options
18
Installation
19
5 Performance Characteristics
21
Internal Drive Characteristics
21
SCSI Seek Performance Characteristics
21
Seek Time
23
Format Drive Command Execution Time
23
Figure 3. ASA I OEM Thermal Calibration
23
General Performance Characteristics
24
Start/Stop Time
25
Prefetch/Multi-Segmented Cache Control
25
Caching Write Data
26
Synchronized Spindle Operation
27
Figure 4. Synchronized Drive Interconnect Diagram
27
Figure 5. Synchronized Reference Signal Characteristics
28
6 Reliability Specifications
31
Error Rates
31
Environmental Interference
31
Write Errors
31
Seek Errors
32
Reliability and Service
32
Mean Time between Failures (MTBF)
32
Air Flow
32
Figure 6. Air Flow Pattern (ST32550N Drive Shown)
33
Figure 7. WYGX Temperature Measurement Locations
34
Figure 8. HYHX Temperature Measurement Locations
35
Figure 9. JYHX Temperature Measurement Locations
36
Figure 10. KYHX Temperature Measurement Locations
37
Figure 11. ZYHX Temperature Measurement Locations
38
Figure 12. PYJX Temperature Measurement Locations
39
Figure 13. Temperature Measurement Location (ST32550N Shown)
39
Preventive Maintenance
40
Service Life
40
Service Philosophy
40
Installation
40
Service Tools
40
Hot Plugging Barracuda 2LP Disc Drives
40
7 Physical/Electrical Specifications
43
AC Power Requirements
43
DC Power Requirements
43
Conducted Noise Immunity
44
Power Sequencing
44
12V Current Profile
45
Figure 14. Barracuda 2LP Drives Typical +12V Current Profile
45
Heat/Power Dissipation
46
Environmental Limits
46
Temperature
46
Relative Humidity
46
Effective Altitude (Sea Level)
47
Shock and Vibration
47
Air Cleanliness
48
Acoustics
48
Electromagnetic Compatibility
48
Mechanical Specifications
49
Figure 15. ST31250N/ND and ST32550N/ND Mounting Configuration Dimensions
49
Figure 16. ST31250W/WD and ST32550W/WD Mounting Configuration Dimensions
50
Figure 17. ST31250WC/DC and ST32550WC/DC Mounting Configuration Dimensions
51
Cooling
52
Drive Mounting
52
Drive Orientation
52
Figure 18. Recommended Mounting
52
8 Media Characteristics
53
Media Description
53
9 Defect and Error Management
55
Defects and Errors
55
10 Option/Configuration Headers
57
Drive ID/Option Select Headers
57
ST31250N/ND and ST32550N/ND Configuration
57
Figure 19. ST31250N/ND and ST32550N/ND Jumper Connectors
57
ST31250W/WD and ST32550W/WD Configuration
60
Figure 20. ST31250W/WD and ST32550W/WD Jumper Connectors
60
ST31250WC/DC and ST32550WC/DC Configuration
63
Figure 21. ST31250WC/DC and ST32550WC/DC Jumper Connectors
63
Synchronized Spindles Interface
65
Electrical Description
65
Figure 22. SCSI Reference Index Signal Driver/Receiver Combination
65
Figure 23. ST31250N/ND and ST32550N/ND Configuration Select Header
66
Figure 24. ST31250W/WD and ST32550W/WD Configuration Select Header
66
Grounding
67
Figure 25. ST31250WC/DC and ST32550WC/DC Configuration Select Header
67
11 Interface Requirements
69
General Description
69
SCSI Interface Messages Supported
69
Table 1. SCSI Interface Messages Supported
69
SCSI Interface Commands Supported
70
Table 2. Supported Commands
70
Inquiry Data
72
Table 3. Barracuda 2LP Family Drive Inquiry Data-ASA I
72
Table 4. Barracuda 2LP Family Drive Inquiry Data-ASA II
72
Mode Sense Data
73
Table 5. Mode Sense Data, ST31250 Default Values-ASA I (SCSI-1 Implementation)
73
Table 6. Mode Sense Data, ST32550 Default Values-ASA I (SCSI-1 Implementation)
73
Table 7. Mode Sense Data, ST31250 Default Values-ASA I (SCSI-2 Implementation)
74
Table 8. Mode Sense Data, ST32550 Default Values-ASA I (SCS-2 Implementation)
74
Table 10. Mode Sense Data, ST32550 Default Values-ASA II (SCSI-2 Implementation)
75
Table 9. Mode Sense Data, ST31250 Default Values-ASA II (SCSI-2 Implementation)
75
SCSI Bus Conditions and Miscellaneous Features Supported
76
Table 11. SCSI Bus Conditions and Other Miscellaneous Features
76
Synchronous Data Transfer
77
Synchronous Data Transfer Periods Supported
77
REQ/ACK Offset
77
Table 12. Synchronous Data Transfer Periods
77
DC Cable and Connector
78
SCSI Physical Interface
78
Figure 26. ST31250N/ND and ST32550N/ND Physical Interface
78
Table 13. Mating Connector Parts
78
Figure 27. ST31250W/WD and ST32550W/WD Physical Interface
79
Figure 28. ST31250WC/DC and ST32550WC/DC Physical Interface
79
Physical Characteristics
80
Connector Requirements
81
Electrical Description
82
Figure 29. Single-Ended Transmitters and Receivers
83
Figure 30. Typical Differential I/O Line Transmitter/Receiver and Terminators
84
SCSI Non-Wide Physical Interface
86
Figure 31. Non-Shielded SCSI Device Connector
86
Table 14. Single-Ended Cable Pin Assignments for ST31250N and ST32550N Drives
87
Table 15. Differential Cable Pin Assignments for ST31250ND and ST32550ND Drives
88
SCSI Wide Physical Interface
89
Figure 32. Wide SCSI Device Connector
89
Table 16. Single-Ended Contact Assignments for ST31250W and ST32550W Drives
90
Table 17. Differential Contact Assignments for ST31250WD and ST32550WD Drives
91
SCSI Single-Connector Attachment (SCA) Physical Interface
92
Figure 33. Non-Shielded, 80-Pin I/O and DC Power Single-Connector Attachment (SCA)
92
Table 18. SCA Contact Assignments for ST31250WC and ST32550WC Drives
93
Table 19. SCA Contact Assignments for ST31250DC and ST32550DC Drives
94
Table 20. Disc Drive SCSI Timing
95
Index
97
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Seagate BARRACUDA 2LP Installation Manual (52 pages)
SCSI disc drives
Brand:
Seagate
| Category:
Storage
| Size: 0.33 MB
Table of Contents
Table of Contents
2
Preface
3
Electrostatic Discharge Protection
3
Important Safety Information and Precautions
4
Wichtige Sicherheitshinweise
7
Technical Support Services
12
General Description
15
Initial Setup Information
21
Kühlung des Systems
26
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