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5. Hardware Installation
5.1 Before You Begin
The M81E/M81DC2/M812-FX series motherboard is designed to fit into a special Flex
ATX form factor chassis. The pattern of the mounting holes and the position of back
panel I/O ports is designed with a special Flex ATX specification. The chassis may
come with various mounting fasteners which are made of metal or plastic. It is highly
recommended to use as many metal fasteners as possible to mount the motherboard
in the chassis for better grounding.
5.2 Caution Static Electricity
Before removing the motherboard from its anti-static bag, you need to eliminate any
static electricity that may be accumulated on your body by touching a grounded or anti-
static surface. If noting is available, touch the housing of power supply which is plugged
into the AC outlet.
After removing the motherboard from its anti-static bag, place it only on a grounded or
anti-static surface, component side up. Inspect the motherboard and contact you retailer
immediately if it is damaged.
5.3 Pre Installation Procedure
Before you install your motherboard into a chassis, its convenient to install the CPU, memory
modules and set all the jumpers to correct settings. The examples and explain below
shown the function and identify of the jumper setting to help you understand the circuits
and enable or disable certain features or properties of the motherboard.
Step1: Jumper Settings Explain
Battery "BAT1"
l l l l l
It is a coin-cell style Lithium CR2032 battery is used to provide power to the
l
RTC and CMOS RAM for keep the data inviolate and effective. The RTC is
a real time clock device, which provides the date and time to system. The
CMOS RAM is used for keeping the information of system configuration,
so the system can automatically boot O/S every time.
The battery has a 3~5 years life if the system is not power up. When the
l
system power up, the power for the RTC and CMOS RAM is supplied from
the 3.3V power supply to extend the life of battery. The user can change a
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M81E / M81DC2 / M812-FX Series User's Manual
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