Asus P4T533 P4T533 User Manual - Page 60

ATX Power Switch / Soft-Off Switch Lead 2 pin PWRSW - c set up diagram

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Panel Connector (20 pin PANEL) The following diagram illustrates items 27-33: Keyboard Lock Speaker Power LED Connector +5 V PLED Keylock Ground +5V Ground Ground Speaker +5 V MLED ExtSMI# Ground PWR Ground Reset Ground P4T533 ® P4T533 System Panel Connectors Message LED SMI Lead Reset SW ATX Power Switch* * Requires an ATX power supply. 27. System Power LED Lead (3-1 pin PLED) This connector supplies the system power LED. The LED lights up when the system power is on, and the LED blinks when the system is in sleep or soft-off mode. 28. Keyboard Lock Switch Lead (2 pin KEYLOCK) This 2-pin connector supplies the case-mounted key switch for keyboard locking. 29. System Warning Speaker Lead (4 pin SPEAKER) This connector supplies the case-mounted speaker to sound system beeps and warnings. 30. System Message LED Lead (2 pin MLED) This connector supports the system message LED to indicate receipt of messages from a fax/modem. The normal status for this LED is ON, when there is no incoming data signal. The LED blinks when data is received. The system message LED feature requires an ACPI OS and driver support. 31. System Management Interrupt Lead (2 pin SMI) This connector permits switching to suspend mode, or "Green" mode: system activity is decreased to conserve power and system components. Attach the case-mounted suspend switch this 2-pin connector. 32. ATX Power Switch / Soft-Off Switch Lead (2 pin PWRSW) The system power is controlled by a momentary switch attached to this connector. Pressing the button switches the system between ON and SLEEP, or ON and SOFT OFF, depending on the BIOS or OS settings. Pressing the button while in the ON mode for more than 4 seconds turns the system off. 33. Reset Switch Lead (2-pin RESET) This connector supports the case-mounted reset switch for rebooting the system without turning off the power switch. 46 Chapter 2: Hardware information

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46
Chapter 2: Hardware information
Panel Connector (20 pin PANEL)
The following diagram illustrates items 27-33:
P4T533
P4T533 System Panel Connectors
*
Requires an ATX power supply.
PLED
Ground
MLED
PWR
+5 V
Keylock
+5V
Speaker
Speaker
Connector
Power LED
Ground
+5 V
Reset SW
SMI Lead
Message LED
ExtSMI#
Ground
Reset
Ground
Ground
Ground
Keyboard Lock
ATX Power
Switch*
27.
System Power LED Lead (3-1 pin PLED)
This connector supplies the system power LED.
The LED lights up when
the system power is on, and the LED blinks when the system is in sleep
or soft-off mode.
28.
Keyboard Lock Switch Lead (2 pin KEYLOCK)
This 2-pin connector supplies the case-mounted key switch for keyboard
locking.
29.
System Warning Speaker Lead (4 pin SPEAKER)
This connector supplies the case-mounted speaker to sound system
beeps and warnings.
30.
System Message LED Lead (2 pin MLED)
This connector supports the system message LED to indicate receipt of
messages from a fax/modem.
The normal status for this LED is ON,
when there is no incoming data signal. The LED blinks when data is
received.
The system message LED feature requires an ACPI OS and
driver support.
31.
System Management Interrupt Lead (2 pin SMI)
This connector permits switching to suspend mode, or “Green” mode:
system activity is decreased to conserve power and system components.
Attach the case-mounted suspend switch this 2-pin connector.
32.
ATX Power Switch / Soft-Off Switch Lead (2 pin PWRSW)
The system power is controlled by a momentary switch attached to this
connector.
Pressing the button switches the system between ON and
SLEEP, or ON and SOFT OFF, depending on the BIOS or OS settings.
Pressing the button while in the ON mode for more than 4 seconds turns
the system off.
33.
Reset Switch Lead (2-pin RESET)
This connector supports the case-mounted reset switch for rebooting
the system without turning off the power switch.