ADLINK cPCI-3620 - Manual (Page 40)

28 Board Interfaces
System LEDs
Table 4-1: cPCI-3620 Front Panel System LED Descriptions
1. Power LED is controlled by hardware power.
2. WDT LED is controlled by BMC (SEMA), and users can define
it using SEMA.
3. HDD LED is controlled by the SoC.
4. Thermal LED is controlled by BMC (SEMA); the system will
continue to operate when the LED is triggered.
5. GPIO LED is controlled by BIOS.
LED Color Condition Indication
Power 1
Green/
Red
OFF System is off
Green Post OK
WDT 2
Orange
OFF No Watchdog event
Blinking Watchdog event alert
HDD 3
Blue
OFF No SATA drive activity
Blinking
Data read/write in process for CF/CFast/
SATA HDD
Thermal 4
Red
OFF Board temperature is below 85°C
ON
Board temperature equals or exceeds
85°C
GPIO 5
Yellow
OFF Defined by user
ON/Blinking Defined by user