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Chapter 1: Product introduction
13. System panel connector (20-pin PANEL1)
This connector accommodates several system front panel functions.
A7N8X-VM
A7N8X-VM/400 Panel Connectors
*
Requires an ATX power supply.
PLED-
Ground
PWR
Keylock
+5V
Speaker
Speaker
Connector
Power LED
Ground
Reset SW
SMI Lead
ExtSMI#
Ground
Reset
Ground
Ground
Ground
Keyboard Lock
ATX Power
Switch*
PLED+
IDELED
+5V
IDE LED
• System Power LED (3-1 pin PLED)
This connector is for the system power LED in the chassis front panel. The
system power LED lights up when you turn on the system power.
• Keyboard Lock (2-1 pin KEYLOCK)
This connector is for the chassis-mounted switch that allows the use of the
keyboard lock feature.
• System Warning Speaker (4-pin SPEAKER)
This connector is for the chassis-mounted speaker that allows you to hear
system beeps and warnings.
• System Management Interrupt (2-pin SMI)
This connector allows switching to suspend mode, or “Green” mode. While is
green mode, the system activity is instantly decreased to save power and to
expand the life of certain system components.
• Reset Switch (2-pin RESET)
This connector is for the chassis-mounted reset switch used for rebooting the
system without turning off the power switch.
• ATX Power Switch / Soft-Off Switch (2-pin PWR)
This connector is for the system power switch located in the chassis front
panel. Pressing the power switch turns the system between ON and SLEEP, or
ON and SOFT OFF, depending on the BIOS or OS settings. When the system
is on, pressing the power switch for more than 4 seconds turns the system off.
• Hard Disk Activity (2-pin IDE LED)
This connector is for the hard disk drive activity LED. The read or write
activities of any primary or secondary IDE device cause the hard disk drive
activity LED to light up.