User's Manual

ASUS A78M-E
1-1
Product introduction
1
1.1 Before you proceed
Take note of the following precautions before you install motherboard components or change
any motherboard settings.
• Unplugthepowercordfromthewallsocketbeforetouchinganycomponent.
• Beforehandlingcomponents,useagroundedwriststraportouchasafelygrounded
objectorametalobject,suchasthepowersupplycase,toavoiddamagingthemdue
to static electricity.
• HoldcomponentsbytheedgestoavoidtouchingtheICsonthem.
• Wheneveryouuninstallanycomponent,placeitonagroundedantistaticpadorinthe
bag that came with the component.
• Beforeyouinstallorremoveanycomponent,ensurethattheATXpowersupplyis
switched off or the power cord is detached from the power supply. Failure to do so
maycauseseveredamagetothemotherboard,peripherals,orcomponents.
Standby Power LED
The motherboard comes with a standby power LED that lights up to indicate that the system
isON,insleepmode,orinsoft-offmode.Thisisareminderthatyoushouldshutdown
thesystemandunplugthepowercablebeforeremovingorplugginginanymotherboard
component. The illustration below shows the location of the onboard LED.
A78M-E
A78M-E Onboard LED
SB_PWR
ON
Standby Power
Powered Off
OFF