Table 2-2. External Bus Speed Selection
MHz
50
60
66
75
Turbo Function
There are no jumpers for turbo switch and turbo LED. By default, all
the motherboards are running at full speed.
2-4 Mounting the Motherboard in the Chassis
All the motherboards have standard mounting holes to fit different
types of chassis.
fasteners, made of metal or plastic.
both metal and plastic fasteners, metal fasteners are the most
highly recommended because they ground the system board to the
chassis.
Therefore, use as many metal fasteners as possible for
better grounding.
2-5 Connecting Cables
Power Supply Connector
After you have securely mounted the motherboard to the chassis,
you are ready to connect the cables. Attach power supply cables to
J32 for an ATX power supply. See Table 2-3 for pin definitions of an
ATX power supply.
JC1
JC2
ON
ON
ON
OFF
OFF
OFF
OFF
ON
Chassis may come with a variety of mounting
Although a chassis may have
2-9
Chapter 2:
Installation
JC3
ON
OFF
OFF
OFF