9.Serial port connector (10-1 pin COM1)

This connector accommodates the bundled serial port module. Use the COM cable to connect the serial port module to this connector, then install the module into a slot opening at the front or back of the system chassis.

COM1

PIN 1

P4SP-MX SE

P4SP-MX SE Serial port connector

10.System panel connector (10-1 pin PANEL1)

This connector accommodates several system front panel functions.

P4SP-MX SE

P4SP-MX SE System panel connector

Power LED

Speaker

Connector

PLED+

PLED-

+5V

Ground Ground Speaker

+5 V IDELED

ExtSMI# Ground PWR Ground

Reset Ground

IDELED

 

 

Reset SW

 

ATX Power

SMI Lead

Switch*

*Requires an ATX power supply.

System Power LED Lead (3-1 pin PLED)

This 3-1 pin connector connects to the system power LED. The LED lights up when you turn on the system power, and blinks when the system is in sleep mode.

System Warning Speaker Lead (4-pin SPEAKER)

This 4-pin connector connects to the case-mounted speaker and allows you to hear system beeps and warnings.

System Management Interrupt Lead (2-pin SMI)

This 2-pin connector allows you to manually place the system into a suspend mode, or “green” mode, where system activity is instantly decreased to save power and to expand the life of certain system components. Attach the case-mounted suspend switch to this 2-pin connector.

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Chapter 1: Product introduction