Alpha Microsystems AM-990 Service Manual - Page 4
Browse online or download pdf Service Manual for Motherboard Alpha Microsystems AM-990. Alpha Microsystems AM-990 15 pages. For authorized
service personnel only:
am-990 vme service
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Also for Alpha Microsystems AM-990: Service Manual (18 pages)
Print PageAM-990 VME Computer Service Manual
1.0INTRODUCTION
This document contains instructions which are intended only for authorized service
personnel. The AM-990 computer contains a high-output power supply, which produces
current levels high enough to make it unsafe for unauthorized persons to perform work
inside the chassis.
The following procedures are discussed:
Accessing your computer.
Electronic equipment handling precautions.
Peripheral installation.
AM-990 upgrade instructions.
2.0ACCESSING YOUR COMPUTER
When adding additional equipment or servicing your computer, it will be necessary to
gain access to the components inside the computer. The following sections include
instructions on opening the computer's front door, removing the the computer's top
cover, and removing the computer's side panel.
Your computer operates at hazardous voltages. Before you attempt service components
inside the computer, observe the following precautions:
Turn off the computer power switch.
Unplug the AC power cord.
Remove any jewelry from your hands, wrists, and neck.
Use only insulated or nonconductive tools.
2.1Opening the Front Door
The factory ships your computer with the door locked. The keys are tiewrapped to your
computer's rear panel, near the power switch. Insert the key, open the lock, and the
door will swing open.
DSS-10523-00, Rev. A00
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