Alpha Microsystems Eagle 250 Manuel d'instructions télécharger pdf (Page 28)

Eagle 250 Upgrade Instructions, Rev. A00

Chapter 6 -

Eagle 100 Upgrade

Hardware Installation

In this upgrade the AM-138-10 replaces the AM-137 CPU board. This upgrade procedure involves

removing the old CPU and rear panel and installing the AM-138-10 and a new rear panel. The following

instructions walk you through this process.

PREPARING FOR THE UPGRADE

Before starting the hardware upgrade, make sure you have completed all of the steps in Chapter 5,

"Beginning an Eagle 250 Upgrade." Do not begin the hardware installation until you've performed all of

the necessary preliminary processes.

While your computer's hardware is exposed and the AC power cord is unplugged, the components

are vulnerable to damage caused by static discharge. Your body and clothing are capable of

storing an electrical charge that can damage or destroy unprotected electronic components. Before

you handle any computer hardware, make certain your work area is properly protected against

static discharge. There are a number of commercially available static protection devices, like the

wrist strap shown in Chapter 3, designed specifically to protect your equipment from harmful

static discharge.

REMOVING THE CHASSIS COVER

Power down your computer and unplug the power cord.

Label and unplug all external cables.

At the rear of the computer, remove the four screws that attach the top cover to the chassis.

Slide the top cover back and lift the rear edge up (as indicated by the arrows on Figure 6-1).

Remove the cover and place it out of the way.

The pictures in this chapter show the chassis used for most Eagle computers. Your chassis may

look slightly different, but the installation procedure is essentially the same.

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Alpha Microsystems Eagle 250 Manuel d'instructions Page 28