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ST34502LC
Seagate ST34502LC Manuals
Manuals and User Guides for Seagate ST34502LC. We have
1
Seagate ST34502LC manual available for free PDF download: Product Manual
Seagate ST34502LC Product Manual (86 pages)
Product Manual
Brand:
Seagate
| Category:
Storage
| Size: 1.57 MB
Table of Contents
Table of Contents
7
1 Scope
11
Figure 1. Cheetah 9LP Family Drive (ST39102LW 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 9LP 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 9LP 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 Cheetah 9LP Family Drive +12 V Current Profile
31
Power Dissipation
32
Environmental Limits
32
Temperature
32
Relative Humidity
33
Figure 4. Locations of PCBA Components Listed in Table 3
33
Effective Altitude (Sea Level)
34
Shock and Vibration
34
Figure 5. Recommended Mounting
35
Air Cleanliness
36
Acoustics
36
Electromagnetic Susceptibility
36
Mechanical Specifications
37
Figure 6. ST39102LW and ST34502LW Mounting Configuration Dimensions
37
Figure 7. ST39102LC and ST34502LC Mounting Configuration Dimensions
38
7 Defect and Error Management
39
Drive Internal Defects
39
Drive Error Recovery Procedures
39
SCSI Systems Errors
40
8 Installation
41
Drive ID/Option Select Header
41
Figure 8. J6 Jumper Header
42
Figure 9. J5 Jumper Header (on LW Models Only)
43
Figure 10. J2 Option Select Header
44
Notes for Figures 8, 9, and 10
44
Function Description
45
Drive Orientation
46
Cooling
46
Air Flow
46
Figure 11. Air Flow (Suggested)
46
Drive Mounting
47
Grounding
47
9 Interface Requirements
49
General Description
49
SCSI Interface Messages Supported
49
SCSI Interface Commands Supported
50
Inquiry Vital Product Data
53
Mode Sense Data
54
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. ST39102LW and ST34502LW Drive Physical Interface (68-Pin J1 SCSI I/O Connector)
59
Figure 13. ST39102LC and ST34502LC Drive Physical Interface (80-Pin J1 SCSI I/O Connector)
59
SCSI Interface Physical Description
60
SCSI Interface Cable Requirements
60
Mating Connectors
61
Figure 14. SCSI Daisy Chain Interface Cabling for LW Drives
62
Figure 15. Nonshielded 68 Pin SCSI Device Connector Used on LW Drives
63
Figure 16. Nonshielded 80 Pin SCSI "SCA-2" Connector, Used on LC Drives
64
Electrical Description
69
Multimode-SE and LVD Alternatives
69
Figure 17. LVD Output Signals
70
Figure 18. Typical SE-LVD Alternative Transmitter Receiver Circuits
70
Terminator Requirements
71
Terminator Power
71
Disc Drive SCSI Timing
72
Drive Activity LED
73
10 Seagate Technology Support Services
75
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