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Control Unit
DEQNA M7504
User manual
Digital Equipment DEQNA M7504 User Manual
Ethernet
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Contents
Table of Contents
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Table of Contents
Table of Contents
Chapter Introduction
Ethernet Overview
Ethernet
Data Encapsulation
DEQNA DESCRIPTION Qu
Q-Bus DMA Transfer Controller (QDTC)
Receive FIFO 2.0.0
ETHERNET Protocol Processor (EPP)
Encoder/Decoder (ED)
Deqna System Operation
Port Reqister
Host Communications Area
Buffer Descriptor List (BDL)
Bootstrap
Interrupt Vector
Set-Up Mode
Internal Loopback (ILOOP)
External Loopback (ELOOP))
Internal Extended Loopback (IELOOP))
Q-Bus Interface
Master Logic
Deqna Specifications
Documents
Chapter Installation
Unpacking and Inspection Wl
Preinstallation Verification 00.0
Pre-Installation
Host Boot/Diagnostic ROMS
Backplane Requirements
Bus Latency Constraints
Loading Requirement
Preparation
Backplane
M7504 Modulle
Device Address Assignment (W1)
Bus Request Holdoff Timer (W2)
Sanity Timer (W3)
Patch and Filter Panel Assembly
TESTING Uc
Post-Installation Power Checks
Light-Emitting Diode (LED) Checks
Diagnostic Acceptance Procedure
Chapter 3 Service
Maintenance Philosophy
DIAGNOSTICS Uc
Extended Primary Bootstrap (EPB)
Citizenship Test (CQ)
Test Results
Field Functional Test
Configuration and Set-Up
Test Descriptions
Error Reporting
General
Basic
Extended
DEQNA DEC/X11 Exerciser
Corrective Maintenante
Chapter 4 Programming
Overview
Control and Status Transfers
Station Address Registers
BDL Starting Address Registers
Vector Address Register
Control and Status Register (CSR)
Dma Transfers
Buffer Descriptor List (BDL)
Buffer Descriptot
Address Descriptor Bits
Buffer Length (Word Count)
Set-Up Mode
Target Address Set-Up
ETHERNET Traffic
Set-Up Packet
Appendix Aglossary
Operating Modes
Unattended Mode
Build Node Table
Pattern Test
Multiple Message Activity Test
Operator Directed Mode
System Requirements
Command Description
Ethernet
Hardware and Software Questions
NIE Commands
Receive Assist Loopback Message Test Path
Full Assist Loopback Message Test Path
Show Counters
Other Error Messages
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