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Manuals
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Intel Manuals
Desktop
386 300SX
User manual
Intel 386 300SX User Manual
Microcomputer
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Revision History
Table of Contents
About this Manual
Purpose
Library Plan
Audience
Organization
Installing Your System
How to Obtain more Information
Notational Conventions
Related Publications
Introduction
Summary of System Features
The Basic System Configuration
System Module
System Module Configurations
Optional Kits
System Module Controls and Indicators
System Module Rear Panel Connections
System Module Front View
System Module Rear View
System Memory
Ram
Conventional Memory
Extended Memory
Onboardram
Memory Address Map
Introduction (Continued)
Rom
Shadow Ram
Monitor
Expanding Your System
Numeric Coprocessor
Expanding System Onboard RAM
System Board Expansion Slots
Additional Mass Storage Peripherals
System Security
Installing Your System
Selecting a Site for Your System
Before You Begin
Components Checklist
Equipment Log
Installing Optional System Components
System Preparation
Removing the System Module Cover
Locations of Internal System Components
Installing the System Module Cover
Replacing the System Module Cover
Expansion Boards
Installing Your System
System Board Layout
Expansion Board Installation
Removing the Expansion Slot Cover
Removing a Board from Its Wrapper
Seating the Board
Completing Board Installation
Expansion Board Removal
Mass Storage Peripherals
Installation and Removal of a 5.25-Inch Floppy Disk Drive
Installing a 5.25-Inch Floppy Disk Drive
Removing a Peripheral Device Bay Cover
Installing a 5.25-Inch Floppy Disk Drive
Inch Floppy Disk Drive Connections
Removing a 5.25-Inch Floppy Disk Drive
Installing and Removing 3.5-Inch Mass Storage Peripherals
Installing a 3.5-Inch Fixed Disk Drive
Installing a Fixed Disk Drive
Fixed Disk Drive Connections
Removing a 3.5-Inch Fixed Disk Drive
Adding Onboard RAM
Installing Simms
Removing Simms
Installing Simms
Installing and Removing a Numeric Coprocessor
Installing a Numeric Coprocessor
Removing a Numeric Coprocessor
Installing Your System (Continued)
Installing a Numeric Coprocessor
Setting the System Board Jumpers
Installing a Shorting Plug
Changing System Board Jumper Settings
System Board Jumper Locations
Jumper Setting Options
Monitor Type
Password Enable/Clear
Color/Monochrome Monitor Jumpers
ROM Size
Video Enable/Disable
Connecting External Peripheral Devices
ROM Size Jumpers
Video Enable/Disable Jumpers
Connecting a Monitor
Connecting a Keyboard
Connecting a Mouse
Connecting Other Peripherals
Connecting the System to a Power Outlet
Setting the Line Voltage Select Switch
Setting the Line Voltage Select Switch
Starting the System
Power-On Self Test (POST)
System Configuration
Setup Program
Running the Setup Program
System Configuration
Moving through Setup Screen 1
Setting System Time
Setting System Date
Setting Fixed Disk Drive Types
Setting Extended Memory
Setting Video Display Controller Type
System Configuration
Setting CPU Effective Speed
System Configuration (Continued)
Moving through Setup Screen 2
Setup Screen
Enter Setup
Speaker
Onboard Video Display Controller
Onboard Video Controller
Monochrome Monitor Startup Mode
Video Timing Register Lock
Monitor Type
Video Options Summary
Onboard Video BIOS Mapping
Onboard Peripherals
Password
Parallel Port
Serial Port 1
Serial Port 2
Console Redirection to COM1
Moving through Setup Screen 3
Shadowing System BIOS and Video BIOS
Setup Screen
Base Memory above 512K
Offboard Video Shadow
Setup Screen 3
Operating Your System
System Modul~ Controls and Indicators
Keyboard Lock
Fixed Disk Drive Access Indicator
Reset Button
Power Indicator
Floppy Disk Drive Access Indicator
Floppy Disk Release Button
The Keyboard
Operating Your System (Continued)
Keyboard Sections
Operating Your System
Keyboard Layout and Features
Escape Key
Alphanumeric Key Group
Shift Key
Caps Lock Key
Enter Keys
Tab Key
Backspace Key
Alt Key
Function Key Group
Edit Key Group
Indicator Lights
Cursor Control Key Group
Numeric Keypad
Keyboard Operating Procedures
Ending an Entry
Correcting Typing Errors
Executing System Reset from the Keyboard
Disk Drives
Inch Floppy Disk Drives
Fixed Disk Drives
Floppy Disks
Handling Floppy Disks
Write Protection
Write-Protecting 3.5-Inch Floppy Disks
Write-Protecting 5.25-Inch Floppy Disks
Write Protecting a 3.5-Inch Floppy Disk
Inserting Floppy Disks
Inserting a 3.5-Inch Floppy Disk
Write Protecting a 5.25-Inch Floppy Disk
Inserting a 3.5-Inch Floppy Disk
Inserting a 5.25-Inch Floppy Disk
Changing the Effective System Speed
Solving Problems
Identifying and Solving System Problems
Problems at Initial System Startup
Remedial Actions
Problems When Running a New Application Program (Other Programs Run Correctly)
Remedial Actions
Problems after the System and Software Are Running Correctly
Remedial Actions
Additional Troubleshooting Procedures
Error Checking
Troubleshooting Guide
Specific Problems and Remedial Actions
Power Supply Fan Does Not Rotate
Power Indicator LED Does Not Light
No Characters Appear on Screen
Characters Appear on the Screen, but Are Distorted or Incorrect
No Beep Pattern
Floppy Disk Drive Access Indicator Does Not Light
Floppy Disk Drive Access Indicator Remains Lighted
Fixed Disk Drive Access Indicator Does Not Light
Problems with Application Software
Cannot Set System Password
Maintaining Your System
Removing and Replacing the System Battery
Removing the Battery
Replacing the Battery
Cleaning the System
Cleaning the Screen
Moving the System
Packing the System
Installing the System at the New Location
Technical Characteristics
System Specifications
System Board
Technical Characteristics (Continued)
System Interfaces
AC Input Power Requirements
Fixed Disk Interface Connector J19 Pinouts
Serial Port Connectors
Serial Port Connectors J2A and J2B Pinouts
Serial Port Header J13 Pinouts
Parallel Printer Port
Expansion Slot Connectors
Intel ISA Bus 8-Bit Connector Pin Assignments
Intel ISA Bus 16-Bit Connector Pin Assignments
Video Connector J6 Pinouts
Speaker Interface
Speaker Header J 12 Pinouts
Battery Connector
Keyboard Connector
Keyboard Connector J3B Pinout
Mouse Connector
Mouse Connector J4 Pinouts
Keylock Header J24 Pinouts
Power Supply Header
Power Supply Header J12 Pinouts
Power Supply
System Input Power Requirements
Error and Informational Messages
Beep Codes for Fatal Errors
Beep Codes for Non-Fatal Errors
Post and Boot Messages
POST and Boot Error Messages
POST and Boot Informational Messages
Run-Time Messages
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Troubleshooting
Additional Troubleshooting Procedures
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Troubleshooting Guide
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