Dell Precision 620 - Manual (Page 2)

Back to Contents Page
Removing and Replacing Parts: Dell Precision™ WorkStation 620 Systems Service
Manual
Overview
This section provides procedures for removing and replacing the components, assemblies, and subassemblies in the Dell Precision WorkStation
620 system.
Unless otherwise noted, each procedure assumes that the following conditions exist:
l You have performed the steps in " Precautionary Measures ."
l You have removed the computer cover .
l
You can replace or reinstall a part by performing the removal procedure in reverse order unless additional information is provided.
Recommended Tools
Most of the procedures in this file require the use of one or more of the following tools:
l Wide flat-blade screwdriver
l #2 Phillips-head screwdriver
l 1/4-inch nut driver
l
A wrist grounding strap as explained in " Precautionary Measures ."
Precautionary Measures
Before you perform any procedure in this section, take a few moments to read the following caution for your personal safety and to prevent
damage to the system from electrostatic discharge (ESD).
Overview Expansion Cards
Recommended Tools Expansion-Card Guide and Fan
Precautionary Measures Control Panel
Restarting the System Chassis Intrusion Switch
Computer Cover Power Supply
Interior Service Label System Board Components
Internal View Memory
Front Panel Microprocessor/Heat Sink Assembly
Front-Panel Inserts Cooling Fan
Drives Battery
AGP Pro Card Brace System Board
CAUTION: FOR YOUR PERSONAL SAFETY AND PROTECTION OF THE EQUIPMENT
Before you start to work on the system, perform the following steps in the sequence listed:
1. Turn off the computer and all peripherals.