Digital Equipment DMC11 IPL Manuals

Manuals and User Guides for Digital Equipment DMC11 IPL. We have 1 Digital Equipment DMC11 IPL manual available for free PDF download: User Manual

Digital Equipment DMC11 IPL User Manual (272 pages)

Brand: Digital Equipment | Category: Computer Hardware | Size: 42 MB

Table of Contents
5
Contents (Cont)
6
Introduction
11
Scope
11
Dmcl I GENERAL DESCRIPTION
11
Dmcl 1 SYSTEM OPERATION
13
Command Structure
14
Base in Command
14
Buffer Address in Command
14
Buffer Address out Command
14
Installation
17
Scope
17
Unpacking and Inspection
17
Mechanical Packaging
17
Pre-Installation Considerations
17
Configuration Considerations
17
Microprocessor/Line Unit Options and Parts
19
Power Requirements
20
Backplane
20
Device and Vector Addresses
20
Device Address Assignment
20
Vector Address Assignment
21
Examples of Device and Vector Address Assignment
22
Interrupt Priority
25
UNIBUS Loading
25
Module Installation and Customization
25
Pre-Installation Checkout Procedure
25
Power Supply Voltages
25
Guide for Setting Switches to Select Vector Address
28
ROM Verification
29
Installation Procedures
30
Cable BC08S-1/BC08R-1 Installation
30
Inserting Microprocessor Module
31
Inserting Line Unit Module
32
Checkout Procedure
36
Ddl 1-D Backplane
36
Dmcll Cabling
37
Chapter 3 Programming Information
38
Introduction
38
Interrupt Vectors
38
Priority Selection
38
Pdp-11 Programming Information
39
UNIBUS Control and Status Registers
39
Command Structure
39
Input Commands
39
UNIBUS Control and Status Registers (Csrs) (Symbolic Addresses and Format)
39
BSEL 0 - Input Register
40
Summary of Control and Status Registers
41
Base in Command Format
41
BSEL 0 Bit Functions
43
BSEL 1 - Maintenance Register
44
BSEL 1 Bit Functions
44
Interrupt Enable
45
BSEL 3 - Reserved
45
Base Input (BASE I) Command Format
45
BSEL 2 Bit Functions
45
Buffer Assignment (BA/CCI and BA/CCO)
46
Data Check
47
SEL 6 Bit Functions Associated with Control out
48
Input Commands (Format Descriptions)
50
Master Clear
51
Base in Command
51
Programming Procedure for the Initialization Command
52
Programming Procedure for the Base in Command
53
Control in Command
54
Buffer Address/Character Count in Command
56
Buffer Address/Character Count in Command
57
Format
57
Output Command (Format and Field Descriptions)
59
Buffer Address/Character Count out (BA/CCO) Command
59
Control out (CNTL O) Command
61
Programming Hints
61
Buffer Address/Character Count out Command Format
61
Control out (CNTL O) Command Format
61
Dmcll MASTER CLEAR
62
Error Reporting
63
Cumulative Error Counters
63
Threshold Counters
63
Power Fail Recovery
66
Shutdown of the Dmcl
66
Modem Control
67
Maintenance Mode
67
Remote Load Detect
69
Performance Degradation on the Dmcl 1-AL
71
Binary Data Transfer Methods
76
Parallel Vs Serial
76
Asynchronous Vs Synchronous
77
Synchronizing at the Receiver
78
Ddcmp
80
Controlling Data Transfers
80
Error Checking and Recovery
80
Character Coding
82
Data Transparency
82
Data Channel Utilization
82
Protocol Description
82
Message Format
84
Remote Load Detect
86
Dmcll Line Unit Set up
86
Procedure to Test Remote Load Detect under Itep
87
Procedure to Test Down-Line Load under Itep
90
Appendix Dlink Test
93
Abstract
93
Requirements
93
Program Loading Procedure
93
Operating Procedures for Link Test
93
MODE Selection
94
Operational Switch Setting
94
Starting ITEP
96
Valid Mode Combinations
96
Program Counter (Pc)
103
Test Equipment Required
114
Corrective Maintenance
114
Table no
116
Chapter 1 Introduction
117
Scope
117
General Description
119
Introduction
119
Operating Modes
120
Microprocessor - Line Unit Data Path
120
Transmitter
121
Receiver
121
1.4.6 Signal Conversion and Maintenance Logic
122
Basics of Cyclic Redundancy Checking
122
Mathematical Background
122
Hardware Implementation of CRC
124
CRC Operation in DDCMP Mode
124
CRC Operation in Bit Stuff Mode
124
Chapter 2 Installation
125
Scope ,2-1
125
Unpacking and Inspection ,2-1
125
Preinstallation Setup Procedures
126
Installation and Checkout
131
Jumper and Switch Checklist
132
Local Link Cable
134
Selection
134
Maintenance
135
Full-Duplex/Half-Duplex Operation
139
Registers and Device Address Selection
142
Modem Control Register
143
Maintenance Register
143
Data Silo Registers
144
Out Control Register
144
In Control Register
147
Modem Control Register
148
Sync Register
150
Switch Selectable Registers (R15 and R16)
150
Maintenance Register
150
Programming Procedures
151
Detailed Description
153
Introduction
153
Functional Description ,4-3
155
Logic Description
155
Registers
155
Out Control Logic ,4-4
155
In Control Logic ,4-4
155
Transmitter Control Logic ,4-4
155
Receiver Control Logic
155
CRC Logic ,4-6
155
Data Set Interface Logic
155
In Data Silo Register ,4-12
155
Selected Input
187
Clear to Send
217
Maintenance Philosophy
236
Preventive Maintenance
236
Integrated Circuit Descriptions
248
Data Inputs
260

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