LEDs on the motherboard include a 5V standby power LED and two LEDs used to
display POST codes. See the tables below for explanations of the messages as-
sociated with these LEDs.
A-1 LE1: 5V Standby Power LED
State
On (Standby power present on motherboard)
A-2 LE3/LE4: BIOS POST Code Indicators
LE3 State
LE4 State
Green (on)
Yellow (on)
Green (fl ashing)
Yellow (fl ashing)
Green (on)
Yellow (fl ashing)
Green (fl ashing)
Yellow (on)
Off
Off
Appendix A
LED Indicators
5V Power Standby LED (LE1)
Action
Turn off system before removing or installing components
BIOS POST Code Indicators (LE3/LE4)
Defi nition
PWR-ON to POST
ECC memory testing
PCI bus initializing
VGA initializing
System normal (after POST)
A-1
Appendix A: LED Indicators