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C2490A
User Manuals: HP C2490A SCSI Hard Drive
Manuals and User Guides for HP C2490A SCSI Hard Drive. We have
1
HP C2490A SCSI Hard Drive manual available for free PDF download: Technical Reference Manual
HP C2490A Technical Reference Manual (150 pages)
Brand:
HP
| Category:
Storage
| Size: 11.98 MB
Table of Contents
Table of Contents
5
1 Product Specifications
11
Product Description
11
Key Features
11
Interface Options
12
Specials
12
Related Documentation
12
Disk Drive Major Components
13
Disk Drive Capacities
14
HP C2486A/88A/90A SCSI Disk Drive Capacities
14
Operating Specifications
16
HP C2486A/88A/90A Operating Specifications
16
DC Power Characteristics
19
HP C2486A/88A/90A DC Power Characteristics
19
Environmental Requirements
20
HP C2486A/88A/90A Environmental Requirements
20
2 Product Installation
23
Introduction
23
Handling Guidelines
23
Protection from Mechanical Shock
23
Protection from Electrostatic Discharge (ESD)
23
Unpacking the Disk Drive
24
Inspecting the Shipping Container
24
Inspecting the Disk Drive
24
Recording the Serial Number
24
Disk Drive Returns
24
Return Shipment Addresses
24
Vendor Purchases
24
Hewlett-Packard Direct Purchases
24
Re-Packing for Shipment
25
2-2. Ten-Unit Packaging
26
Mounting Information
27
Safety /Regulatory Compliance
27
Chassis Dimensions and Mounting Screw Locations
27
Physical Mounting
27
Airflow Requirements
27
Front Panel LED Indicator
28
Address and Configuration Pin-Set Set-Ups
28
Address/Configuration Option Descriptions
29
Drive to Interface Connections
30
Interface Connectors and Cables
31
Connector Dimensions and Locations
31
SCSI Connector
31
DC Power Connector
31
Mating Connector Requirements
31
Recommended Mating Connectors
31
Cabling Requirements
32
Single-Ended Cable
32
Differential Cable
32
3 Product Features Introduction
33
Functional Description
33
Disk Format
33
Sector Format
33
Addressing Structure
33
Error Correction Code
33
Cyclic Redundancy Check (CRC)
34
Track Sparing
34
Look Ahead Reads
34
Head Alignments
35
Head Alignment States
35
Head Alignment Modes
35
Typical Head Alignment Times
36
Command Queuing
36
Error Recovery
38
Synchronized Spindle Operation
38
Assembly Descriptions
38
Head/Disk Assembly
38
Disks
38
Heads
39
Actuator and Latch Assembly
39
Head Interface Electronics
39
Atmospheric Controls
39
Vibration Isolators
39
Spindle Assembly
39
Block Diagram
40
SCSI Interface
40
RAM Buffer
40
Disk Controller
40
Data Encoder/Decoder
40
Microcontroller
40
Servo Processor
41
Data Head Interface
41
Actuator Driver
41
Servo Timing
41
Spindle Motor Driver
41
Power Distribution
41
Disk Drive Addressing Structure
42
C2486A/88A/90A Cylinder Allocation
43
Formatted Physical Sector Allocation
46
4 SCSI Interface Introduction
49
Supported Functions
49
HP C2486A/88A/90A Supported SCSI Commands
52
Status Byte
54
SCSI Message Support
55
Target Error Conditions
56
Message out Phase Parity Error
56
Command or Data out Phase Parity Error
56
Lllegal Messages
56
Reselection Timeout
56
Command Descriptions A-I
57
Command Details
57
Control Byte
58
Change Definition
62
Format Unit
63
Mode Select, Mode Sense
72
Read
87
Read Buffer
88
Read Capacity
89
Read Defect Data
90
Read Long
92
Reassign Blocks
93
Receive Diagnostic Results
95
Release
97
Request Sense
101
Reserve
104
Rezero Unit
105
Seek
106
Send Diagnostic
107
Start/Stop Unit
109
Synchronize Cache
110
Test Unit Ready
111
Verify
112
Write
113
Write and Verify
115
Write Buffer
116
Write Long
118
Write same
119
Command Descriptions
121
Access Log
124
Change SCSI ID
127
Change Wide SCSI ID
127
Execute Data
129
Interface Control B-I0
130
Manage Primary B-Ll
131
Media Test
137
Read Full
138
Read Headers
140
Reformat Track
141
Write Full
142
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