User`s manual
TA690G AM2 
21 
On-Board Buttons 
There are 2 on-board buttons. 
PWRSW1RSTSW1
PWRSW1: 
This is an on-board Power Switch button. 
RSTSW1: 
This is an on-board Reset button. 
On-Board LED Indicators 
There are 2 LED indicators on the motherboard to show system status. 
LED_D1
LED_D2
LED_D1 and LED_D2: 
These 2 LED indicate system power on diagnostics. 
Please refer to the table below for different messages: 
LED_D1 LED_D2 Message 
ON ON Normal 
ON OFF Memory Error 
OFF ON  VGA Error 
OFF  OFF  Abnormal: CPU / Chipset error.










