Viglen VIG520S, Manual

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Chapter 2 System Board Options
The VIG520S motherboard is capable of accepting Celeron and Pentium 4 CPU’s.
RAM can be upgraded to a maximum of 2GB using DDR DIMMs Non ECC.
WARNING
Unplug the system before carrying out the procedures described in this
chapter. Failure to disconnect power before you open the system can result
in personal injury or equipment damage. Hazardous voltage, current, and
energy levels are present in this product. Power switch terminals can have
hazardous Voltages present even when the power switch is off.
The procedures assume familiarity with the general terminology associated
with personal computers and with the safety practices and regulatory
compliance required for using and modifying electronic equipment.
Do not operate the system with the cover removed. Always replace the cover
before turning on the system.
As the colours of the wires in the mains lead of this computer may not correspond with the
coloured markings identifying the terminals in your plug proceed as follows:
The wire which is coloured green-and-yellow must be connected to the terminal in the plug
which is marked by the letter
E or by the safety Earth symbol
Q
or coloured green or green-
and-yellow.
The wire which is coloured blue must be connected to the terminal which is marked with the
letter
N or coloured black.
The wire which is coloured brown must be connected to the terminal which is marked with
the letter
L or coloured red.
Make sure you are earthed and free of static charge before you open the computer
case. If you are unsure about upgrading your computer, return it to Viglen so a
qualified engineer can perform the upgrade.
CAUTION!
The Viglen VIG520S motherboard
and associated components are
sensitive electronic devices. A small
static shock from your body can
cause expensive damage to your
equipment.