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ST423451WD
Seagate ST423451WD Manuals
Manuals and User Guides for Seagate ST423451WD. We have
2
Seagate ST423451WD manuals available for free PDF download: Product Manual, Installation Manual
Seagate ST423451WD Product Manual (84 pages)
Elite 23 Disc Drive
Brand:
Seagate
| Category:
Storage
| Size: 0.97 MB
Table of Contents
Table of Contents
7
1 Scope
11
Figure 1. Elite 23 Disc Drive (ST423451N Drive Shown)
11
2 Applicable Standards and Reference Documentation
13
Standards
13
Electromagnetic Compatibility
13
Electromagnetic Compliance
13
Reference Documents
14
3 General Description
15
Standard Features
16
Figure 2. Elite 23 Family Drive
16
Media Characteristics
17
Performance
17
Reliability
17
Unformatted and Formatted Capacities
17
Programmable Drive Capacity
17
Factory Installed Accessories
18
Options (Factory Installed)
18
Accessories (User Installed)
18
4 Performance Characteristics
19
Internal Drive Characteristics (Transparent to User)
19
SCSI Seek Performance Characteristics (Visible to User)
19
Access Time
19
Format Command Execution Time (for ≥ 512-Byte Sectors)
19
General Performance Characteristics
19
Start/Stop Time
21
Prefetch/Multi-Segmented Cache Control
21
Cache Operation
21
Caching Write Data
22
Prefetch Operation
22
5 Reliability Specifications
25
Error Rates
25
Environmental Interference
25
Read Errors
25
Write Errors
25
Seek Errors
26
Reliability and Service
26
Mean Time between Failure
26
Preventive Maintenance
26
Service Life
26
Service Philosophy
26
Service Tools
26
S.M.a.r.t
27
Product Warranty
28
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 Elite 23 Drive +5 V and +12 V Current Profile
30
Power Dissipation
31
Environmental Limits
31
Temperature
31
Figure 4. Location of PCB Components Listed in Table 3
32
Relative Humidity
33
Effective Altitude (Sea Level)
33
Shock and Vibration
33
Figure 5. Recommended Mounting
34
Air Cleanliness
35
Acoustics
35
Electromagnetic Susceptibility
35
Mechanical Specifications
35
Figure 6. Mounting Configuration Dimensions for "N" Models
36
Figure 7. Mounting Configuration Dimensions for "W" and "WD" Models
37
7 Defect and Error Management
39
Drive Internal Defects and Errors
39
Drive Error Recovery Procedures
39
8 Installation
41
Drive ID/Option Select Header
41
Figure 8. ST423451N Option Select Jumper Connectors
42
Figure 9A. ST423451W/WD Option Select Jumper Connectors
43
Figure 9B. ST423451 "WD" Model Auxillary Remote Cable ID Select
44
Figure 10A. J4A Connections for Activity, Fault, and Ready LED Indicators for All Models
45
Figure 10B. J7 Auxiliary Remote Cable Connections for Ready and Fault Indicators, "WD" Model Only
45
Notes for Figures 8 through 10B
46
Drive Orientation
47
Cooling
47
Air Flow
47
Figure 11. Suggested Air Flow
47
Drive Mounting
48
Grounding
48
9 Interface Requirements
49
General Description
49
SCSI Interface Messages Supported
49
SCSI Interface Commands Supported
50
Inquiry Data
53
Mode Sense Data
53
SCSI Bus Conditions and Miscellaneous Features Supported
57
Synchronous Data Transfer
58
Synchronous Data Transfer Periods Supported
58
REQ/ACK Offset
58
Physical Interface
58
DC Cable and Connector
58
Figure 12. Physical Interface for "N" Model Drives
59
Figure 13. Physical Interface for "W" and "WD" Model Drives
59
SCSI Interface Physical Description
60
SCSI Interface Cable Requirements
60
Mating Connectors
61
Figure 14. SCSI Daisy-Chain Interface Cabling
62
Figure 15. Non-Shielded 50-Pin SCSI Device Connector
63
Figure 16. Non-Shielded 68-Pin SCSI Device Connector
63
Electrical Description
68
Single-Ended Drivers/Receivers
68
Figure 17. Single-Ended Transmitters and Receivers
68
Differential Drivers/Receivers
69
Figure 18. Typical Differential I/O Line Transmitter/Receiver and Terminators
70
Terminator Requirements
71
Terminator Power
71
Disc Drive SCSI Timing
72
10 Seagate Technical Support Services
75
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Seagate ST423451WD Installation Manual (48 pages)
SCSI Disc Drive
Brand:
Seagate
| Category:
Storage
| Size: 0.59 MB
Table of Contents
Installation Guide
1
Table of Contents
2
Preface
3
Electrostatic Discharge Protection
3
Important Safety Information and Precautions
4
Wichtige Sicherheitshinweise
6
European Union Compliance
8
Technical Support Services
10
General Description
14
Initial Setup Information
18
Terminator Power
21
Kühlung des Systems
27
Installation des Laufwerkes und Anschluß der Kabel
29
N Drives Section
36
W/WD Drives Section
40
All Drives
44
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