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Step 4 Connect the Power Supply
The power supply should match the physical configuration of the chassis. Make sure that the power switch is Off
before assembly.
Before attaching all components, make sure that the proper voltage has been selected. Power supplies often can run on
a wide range of voltages and must be set (usually via a switch) to the proper range. Use at least a 230 watt power
supply that has built-in filters to suppress EMI radiated emissions.
Connect to P5 and P2
Attach the power supply cables to P5 and P2 on the motherboard. AT-compatible power supplies have two 6-pin
connectors. The 6-pin connector with 3 red wires and 2 black wires is connected to P5 and the remaining 6-pin
connector is connected to P2, as shown below. P7 is an auxiliary power supply connector.
Excalibur PCI Pentium ISA Motherboard User's Guide
Caution
P7 is not a 5V power connector.
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