Acer AT110 Series User Manual page 27

No. Indicator
2 HDD activity
3 Power
Color State
Blue Flashing
N/A Off
Blue On
Blue Flashing (1 Hz
with at 50% duty
cycle)
N/A Off
11
Representative
Status
HDD access
No access and no
HDD fault
S0: Power on
S1: Sleep
S4/S5