Emulex MD21/S2 Manuals

Manuals and User Guides for Emulex MD21/S2. We have 1 Emulex MD21/S2 manual available for free PDF download: Technical Manual

Emulex MD21/S2 Technical Manual (88 pages)

DISK CONTROLLER

Brand: Emulex | Category: Controller | Size: 3 MB

Table of Contents
3
Preface
7
MD21 Disk Controller
7
Appendix A: Troubleshooting
9
Overview
9
Overview
10
Features
10
Organization of the Manual
11
Two: General Description
13
Introduction
13
Md21 Disk Controller Overview
13
Functional Overview
15
MD21 Controller Block Diagram
16
- 8031 Microprocessor
  17
Disk Formatter
17
Buffer Controller
17
Scsi Bus Overview
18
Sample SCSI Bus Configuration
19
Typical Multi-Drive Configuration
20
2.4 Esdi Overview
20
Compatibility
21
Scsi Bus Hardware Compatibility
21
Esdi Disk Drive Compatibility
21
Three: Disk Controller Specifications
23
Overview
23
General and Electrical Specifications
23
Physical Specifications
25
MD21 Controller Dimensions
27
Environmental Specifications
27
Overview
29
Esdi Disk Drive Preparation
29
- Drives Supported
  29
- Drive Placement
  29
- Drive Numbering
  29
Spindle Control
30
Drive Sectoring and Other Options
30
Disk Operations
33
Sector and Track Format Operations
33
Grown Defect List Operations
34
Sector Format for Hard-Sectored Disk Drives
35
Sector Format for Soft-Sectored Disk Drives
36
Overview
37
MD21 Configuration Reference Sheet
38
Inspection
39
Md21 Controller Setup
39
Md21 Controller Setup
40
SCSI Device Address Selection
40
Sector Size (Swl-5)
41
Sector Size Switch Setting
41
Disable Drive Spinup (Swl-6)
42
Disable Soft Error Reporting (Swl-7)
42
Drive Spin up Switch Setting
42
Soft Error Reporting Switch Setting
42
SCSI Bus Parity Enable (Swl-8)
43
Scsi Bus Termination Power Option
43
Parity Enable Switch Setting
43
Scsi Bus Termination
44
Md21 Controller Installation
44
Installing the MD21 Controller on the Mounting Bracket
46
Connecting the Disk Drive Data and Control Cables and the SCSI Bus to the MD21 Controller
46
Disk Drive Cable Requirements
47
Fcc Compliance
47
Six: Controller Initialization and Self-Test Procedures
49
Overview
49
Controller Reset/Power up Initialization
49
Self-Test Modes
49
Normal Mode
53
Location of Leds on the MD21 Controller
54
Online Diagnostic Commands
57
DC Power Connection
59
Overview
59
Scsi Bus Interface Physical Description
59
Internal Cable Requirements
60
Shielded Cable Requirements
60
Scsi Interface Electrical Description
61
MD21 Controller Component Locations
61
Output Signal Characteristics
61
SCSI Bus Signals
62
Input Signal Characteristics
62
Terminator Power (Optional)
63
Scsi Bus Signals and Timing
63
SCSI Bus Signals
63
Single-Ended Pin/Signal Assignments at SCSI Bus Interface
66
SCSI Bus Timings
67
SCSI Bus Timing Diagram
68
Esdi Disk Drive Interface
71
7.3.1 Esdi Interface Electrical Description
71
7.3.1.1 Output Signal Characteristics
71
Input Signal Characteristics
72
7.3.1.3 Termination
72
ESDI Signals
72
ESDI Control Cable Pin/Signal Assignments
73
Control Cable Pin Assignments
74
Data Cable Pin Assignments
75
ESDI Data Pin/Signal Assignments
75
User Panel Connection
76
Sample User Panel
76
User Panel Connection
77
Outputs from the Md21
77
Write-Protect Inputs to the Md21
77
Connector J4 Pin Description
77
Figure
77
Write-Protect Input Signal
77
Power Fail Detect Signal
78
Pin Locations for Power Connector
78
Power Supply Connections
79
Problem Identification
81
Technical Assistance
81
Scsi Product Performance Report
87

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