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VAXstation I
Service manual
Digital Equipment VAXstation I Service Manual
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Contents
Table of Contents
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Table of Contents
Table of Contents
System Configuration
Backplane
Kd32·Ab Cpu
M7135-Ya Oap
OAP Option Switches
M7136 MCT Module
Msvll-QA MEMORY
Switches
Jumpers
Jumpers
Mass Storage
RD52 Fixed-Disk Drive . 1·15
Rqdxl Controller
RX50 Diskette Drive
Display Density
Switches
Memory Starting Address (MSA)
Vcbol MSA Selection
Vrloo Monitor Rear Panel
Vrloo Video Monitor
Jumpers
LASO and Laloo Printers
LK201 Keyboard
Option Modules
.1 OEQNA Ethernet Controller
Vslox Mouse
Dzvll Address Switches
Dzvll Asynchronous Line Multiplexer
Dzvll Jumpers
Programming Information
Switches and Jumpers
Dzvll Vector Switches
Chapter 2
Cursor X Position
Cursor X Position Format
Mouse Position Register
CRTC Registers
CRTC Address Register Pointer
Mouse Position Register Format
Cursor X Position Bits
Mouse Position Register Bits
CRTC Address Register Pointer Format
CRTC Address Register Pointer Bits
CRTC Data Register
CRTC Data Register Bits
Interrupt Controller Registers
ICDR Format
ICSR Commands
Icdr
Isr
Acr
Mode
UART Registers
Mode Registers la and 2A Format
Mode Registers la and 2A
Mode Registers Lb and
Status/Clock Select Register B
Status/Clock Select Register a Format
Command Register a Format
Command Register
Transmit/Receive Buffer a
Interrupt Status/Mask Register
Transmit/Receive Buffer a Format
Transmit/Receive Buffer a Bits
Interrupt Status/Mask Register Bits
Chapter 3 Maintenance
Microverify Error Reporting 3·2
Monitor Display Errors
Standalone Diagnostics
Macroverify
CPU Diagnostic
Microverify Error Codes
Macroverify Run Report
CPU Diagnostic Run Report
Memory Diagnostic
Memory Diagnostic Tests
Memory Diagnostic Commands
Memory Diagnostic EHXMS View Command
Memory Diagnostic Operator Error Format
Memory Diagnostic Memory Error Format
Vcbol Diagnostic (EHXVS)
Vcbol Diagnostic Error Messages
Monitor Led Indicators
Monitor Internal Controls
Deflection Module
Cutoff Preset <G2 Voltage)
Horizontal Frequency
Contrast
Horizontal Size . 3·25
Vertical Height
Vertical Centering
Chapter 4
Backplane Modules
Module Removal
Rear Cover Removal
Rear Cable Removal
Patch and Filter Panel Assembly Access
Module Cable Removal
Module Replacement
Module Cable Replacement
Module Replacement
Front Cover Removal
Storage Subsystem
Front Bracket Removal
RD52 Removal
RD52 Cable Removal
RD52 Replacement
RD52 Shipping Container
RD52 DIP Switches
RD52 Cable Connection
RXSO Removal
RXSO Cable Connection
Power Supply
Power Supply Removal
Power Supply Replacement
Power Supply Cable Removal
Fan Power Connector
Backplane and Signal Distribution Panel
Backplane Removal
Other Backplane Cable Connectors
Backplane Replacement
Q22·Bus Cable Backplane Connector
Cooling Fans
Rear Fan Removal
Rear Fan Replacement
Front Fan Removal
Front Fan Replacement
Front Fan Installation
Patch Ano Filter Panel
Insert Removal
Insert Installation
Front Control Panel
Control Panel Removal
Control Panel Replacement
Front Control Panel Disassembly
Monitor
EMI Screen
Monitor Power Supply
Deflection Module
Video Module
CRT Cable
Monitor Cover Replacement
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•
I
•
••
•
I .
•
)
EK-VS200-PS-PRE
V AXstation I
Service Guide
PRELIMINARY
PLEASE RETURN TO
LIB RARY
CRG / TELESUPPORT
VNO
Prepared by Educational Services
of
Olgltal EQulpment Corporation
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