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PCI/I-P54SP4
User's Manual
1/0 Port Connectors
Pin1 is the upper left-
hand pin on each port
connector
Parallel Port
cable connector
I I
I
Serial Ports,
COM2,
1
cable connectors
Floppy Disk Drive
cable connector
IDE Hard Disk Drive
cable connectors,
IDEO, IDE1
When you connect a ribbon cable to any of these 1/0 connectors, you
must orient the cable connector so that the Pin 1 edge of the cable is at
the Pin 1 end of the on-board connector. The Pin 1 edge of the ribbon
cable is colored to indentify it.
Port & Controller Cables
The mainboard comes with the following cables:
• 2 serial port ribbon cables attached to one mounting bracket
• 1 parallel port ribbon cable with mounting bracket
• 2 IDE ribbon connector cables
• 1 floppy disk drive ribbon connector cable
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4- 12
Technical Summary
Connector and Port Cables
Floppy Drive ribbon cable
Parallel ribbon cable
IDE ribbon cables
Serial ribbon cables
&
port bracket
Connecting A Power Supply
The system power supply connector is for a 5-volt power supply. To connect the
leads from the power supply, you should first make sure the power supply is
unplugged. Most power supplies have two leads. Each lead has six wires. two of
which are black. Orient the connectors so the black wires are in the middle.
Align the plastic guide pins on lead to their receptacles on the connector. You may
need to hold the lead at an angle to line it up. Once you have the guide pins
aligned, press the lead onto the connector so that the plastic clips on the lead
snap into place and secure the lead to the connector.
One model of this mainboard also has a connector for a 3.3-volt power supply
lead. If you have this model, you must use a power supply that also ha s a 3.3-volt
lead and connect the lead to the connector on the board.
The other model leaves off the 3.3-volt connector and has a voltage regulator/
heats ink combination that converts the 5-volt power from the main leads to 3.3-
volts for use by the parts of the board that require it.
See the diagram on page 1-5 for the location of these connectors.
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