Upgrading and ESD precautions
WARNING
Unplug the system before carrying out the procedures described in this document.
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
Ω
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.
CAUTION!
The Viglen D955XBK motherboard
and associated components are
sensitive electronic devices. A small
static shock from your body can
cause expensive damage to your
equipment.
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.
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