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Manuals and User Guides for Viper 125s. We have
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Viper 125s manual available for free PDF download: Theory Of Operation And Maintenance Manual
Viper 125s Theory Of Operation And Maintenance Manual (173 pages)
1/3-inch streaming cartridge tape dribe
Brand:
Viper
| Category:
Storage
| Size: 6.32 MB
Table of Contents
Table of Contents
5
Figures
12
Chapter 1 Introduction
15
Overview
15
Viper Capacities
15
Physical Description
15
System Configurations
16
Figure 1-1. SCSI Bus Support Configurations
16
Viper Drive Models
17
Figure 1-2. Top View of Viper Drive
17
Figure 1-3. Front View of Viper External Drive
17
About this Manual
18
Chapter 2 Specifications
19
Overview
19
Physical Specifications
19
Power Requirements
20
Power Connector
20
Drive Performance Specifications
21
Environmental Specifications
22
Data Cartridge Specifications
22
Model 60S
22
Model 125S
23
Model 150S
23
Regulatory Compliance
23
ANSI X3.131 Conformance Statement
24
Chapter 3 Installation
25
Introduction
25
Guidelines and Cautions
25
Unpacking and Inspection
25
Installation
26
Internal Viper Drives
26
Figure 3-1. Internal Installation
26
Mounting Screws
26
Connectors
27
Figure 3-2. Mounting Hole Locations
27
Figure 3-3. Viper Rear View
27
Figure 3-4. Configuration Jumper Block
28
Jumper Configuration
28
Operational Mode
28
Parity Enable
28
Drive Identification
29
Selectable Buffer Disconnect
29
Table 3-1. SCSI ID Selection
29
Table 3-2. Buffer Disconnect Size Selection
29
Connecting External Vipers
30
Figure 3-5. External Installation
30
Figure 3-7. Viper SCSI Daisy-Chain Diagram
31
SCSI Drive Identification Switch
31
Table 4-1. SCSI Signal Locations on Drive Connector
33
Table 4-2. SCSI Interface Signals
34
Table 4-4. Operational Phases
36
Figure 4-2. Phase Sequencing with Arbitration
38
Figure 4-3. Arbitration and Selection Phase Signal Timing
38
Figure 4-4. Signals Used in Transfer from Target to Initiator
42
Figure 4-5. Signals Used in Transfer from Initiator to Target
43
Table 4-7. Command Descriptor Block Format
45
Table 4-10. SCSI Message Definitions
48
Table 4-10. SCSI Message Definitions
49
Table 4-11. Status Code Definitions
50
Table 4-12. Status Code Block Format
51
Table 4-13. SCSI Status Code Descriptions
51
Table 4-14. SCSI Bus Sequence Timing
58
Chapter 5 Viper SCSI Commands
59
Introduction
59
Table 5-1. SCSI Commands for Bus Sequential Access Devices
59
Descriptor Block
60
Command Descriptor Block Field Descriptions
60
Command Descriptor Block Format
60
Flag and Link Bit Descriptions
61
Completion Status
62
TEST UNIT READ Command Descriptor Block
62
REWIND (Olh)
63
Command Descriptor Block Field Descriation
63
Completion Status
63
REWIND Command Descriptor Block
63
REQUEST BLOCK ADDRESS (02H)
64
Command Descriptor Block Field
64
REQUEST BLOCK ADDRESS Command Descriptor Block
64
REQUEST BLOCK ADDRESS Data Format
64
Completion Status
65
REQUEST BLOCK ADDRESS Data Field Description
65
REQUEST SENSE ( 03H )
66
Command Descriptor Block Field Description
66
REQUEST SENSE Command Descriptor Block
66
Extended Sense Data Format
67
Extended Sense Data Field Descriptions
68
Extended Sense Data Field Descriptions Continued
69
Priority and Definition of Sense Keys
70
Completion Status
71
READ BLOCK LIMITS (05H)
72
Command Descriptor Block Field Descriptions
72
READ BLOCK LIMITS Command Descriptor Block
72
READ BLOCK LIMITS Data Format
72
Completion Status
73
READ (Ash)
74
Command Descriptor Block Field Descriptions
74
READ Command Description
74
READ Command Descriptor Block
74
End of Data
75
End of Tape (EOT)
75
Transfer Length Satisfied
75
Unrecoverable Data Error
75
Completion Status
76
WRITE (Oah)
77
WRITE Command Descriptor Block
77
Command Descriptor Block Field Descriptions
78
Completion Status
78
Completion Status Continued
79
SEEK BLOCK (Och)
80
Command Descriptor Block Field Descriptions
80
SEEK BLOCK Command Descriptor Block
80
Completion Status
81
WRITE FILEMARKS (10H)
82
Command Descriptor Block Field Descriptions
82
Write Filemark Command Descriptor Block
82
Completion Status
83
SPACE (11H)
84
SPACE Command Descriptor Block
84
Command Descriptor Block Field Descriptions
85
Space-By-Count Functions
85
Completion Status
86
INQUIRY (12H)
88
Command Descriptor Block Field Description
88
INQUIRY Command Descriptor Block
88
INQUIRY Command Data Field Descriptions
89
INQUIRY Command Data Format
89
Completion Status
90
VERIFY (13H)
91
Command Descriptor Block Field
91
VERIFY Command Descriptor Block
91
RECOVER BUFFERED DATA 04H)
93
Command Descriptor Block Field Descriptions
93
RECOVER BUFFERED DATA Command Descriptor Block
93
Completion Status
94
MODE SELECT (Ish)
95
Command Descriptor Block Field Description
95
Parameter List Header Format
95
Parameter List Header Field Descriptions
96
Parameter List-Block Descriptor
96
Parameter List-Block Descriptor Field Descriptions
97
RESERVE UNIT (16H)
100
RESERVE UNIT Command Descriptor Block
100
Command Descriptor Block Field Descriptions
101
Completion Status
101
Figure 6-1. Viper Drive Functional Block Diagram
133
Table 6-1. VLSI Features
134
Table 6-1. VLSI Features
135
Figure 6-2. Cartridge Loading
142
Figure 6-3. Motor Driver PCB Block Diagram
144
Figure 6-4. Motor Controller LSI Functional Block Diagram
145
Table 6-2. Motor Controller LSI Functions
145
Table 6-2. Motor Controller LSI Functions
146
Figure 6-5. Read/Write/Erase Magnetic Head Configuration
147
Figure 6-6. Typical Serpentine Recording
149
Figure 6-7. Track Positioning
150
Figure 6-11. Read after Write Error Sequence
152
Table 6-4. Streaming Termination Description
155
Table 6-4. Streaming Termination Description
156
Figure 6-12. Data Cartridge, Exploded View
158
Figure 6-13. Recorded Block Format
159
Figure 6-14. Block Address Definition
161
Figure 7-1. Head and Sensor Cleaning
166
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