
DECpcä Charmonix
7
How do I Update my BIOS?..................................................................... 3-6
Preliminary Steps............................................................................... 3-7
Creating a Crisis Recovery Diskette................................................... 3-7
Using PHLASH.EXE to Upgrade your BIOS..................................... 3-9
Using the Crisis Recovery Diskette........................................................... 3-10
4
Expanding Your Computer
Introduction..................................................................................................... 4-1
Tools Needed .................................................................................................. 4-1
Static Electricity.............................................................................................. 4-2
Disconnect External Devices and Power.......................................................... 4-2
Removing the Cover........................................................................................ 4-2
Voltage Select Switch...................................................................................... 4-4
Computer Components.................................................................................... 4-6
Main Logic Board Components....................................................................... 4-8
Main Logic Board Connectors......................................................................... 4-10
Installing a Higher Performance CPU.............................................................. 4-12
Installing Additional Computer Memory......................................................... 4-14
Memory Configurations............................................................................ 4-16
Installing a SIMM..................................................................................... 4-16
Replacing the Real-Time Clock (RTC)/Lithium Battery.................................. 4-18
Installing Expansion Boards............................................................................ 4-22
Installing Mass Storage Devices...................................................................... 4-27
Installing a 5¼-Inch Device...................................................................... 4-27
Connecting Diskette and IDE Devices............................................................. 4-30
Replacing the Cover........................................................................................ 4-33
5
Problem Solving and Troubleshooting
Introduction..................................................................................................... 5-1
Initial Troubleshooting.................................................................................... 5-2
Computer Troubleshooting.............................................................................. 5-3
Disk Drive Troubleshooting............................................................................. 5-8
Monitor Troubleshooting................................................................................. 5-9
CD-ROM Troubleshooting .............................................................................. 5-10
Audio Troubleshooting.................................................................................... 5-11
A
Technical Specifications
Introduction..................................................................................................... A-1