Rev. (a)
System LEDs
SYS (System Status) LED
LED Behavior
Solid Green
Green blinking very slowly
External power present
(1/2 sec. on, 4 1/2 sec. off)
Off
External power not present
Green blinking slowly
External power present
(1/2 sec. on, 1 1/2 sec. off)
Green blinking slowly
External power not present
(1/2 sec. on, 1 1/2 sec. off)
1. SYS (System Status) LED
2. UPS (Uninterruptible Power Supply) LED
3. SSD (Solid State Drive) LED
On,
l
On but Backlight Off,
l
On but Display Off
l
Suspend
l
Off, or
l
Suspend
l
CPU temperature less than -20ºC,
Heater warming CPU for 30 sec.
CPU temperature less than -20ºC,
Need to move unit to warmer environment
System State
2-7