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マザーボード Alpha Microsystems AM-990のPDF サービスマニュアルをオンラインで閲覧またはダウンロードできます。Alpha Microsystems AM-990 18 ページ。 For authorized
service personnel only:
am-990 vme service
manual
Alpha Microsystems AM-990 にも： サービスマニュアル (15 ページ)
ページを印刷するAM-990 SBC Computer Service Manual
INTRODUCTION
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-140 and AM-145 CPU board configuration.
For details on Eagle PC board configurations, refer to the Eagle Series
Computer Service Manual ,part number DSM-00196-03.
ACCESSING 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.
Opening 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-10524-00, Rev. A01
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