User guide

ASUS A7S266-VM Motherboard

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12. Serial connector (9-pin COM2 )

This 9-pin connector connects to the Serial COM2 bracket. Connect

the COM2 cable to this connector and install the bracket on an

available slot in the rear panel of the chassis.

A7S266-VM

A7S266-VM Serial COM2 Bracket

PIN 1

COM2

13. System panel connector (20-pin PANEL1)

This connector accommodates several system front panel functions.

• System Power LED Lead (2-pin PLED)

This 2-pin connector connects to the system power LED. The LED

lights up when you turn on the system power.

• 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.

A7S266-VM

A7S266-VM System Panel Connectors

Requires an ATX power supply.

PLED-

Ground

MLED-

PWR

PLED+

+5V

Speaker

Connector

Power LED

Ground

MLED+

Reset SW

SMI Lead

Message LED

ExtSMI#

GND

Reset

Ground

ATX Power

Switch*