Table 7: System Status Leds Function On The Cp3005-Sa; Table 8: General Purpose Leds Function - Kontron CP3005-SA User Manual

3.9.1.1. System Status LEDs

Table 7: System Status LEDs Function on the CP3005-SA

LED
TH LED
WD LED
If the TH LED flashes red at regular intervals, it indicates that the processor junction
temperature has reached a level beyond which permanent silicon damage may occur and
the processor has been shut off. To turn to normal operation, the power must be switched
off and then on again.
3.9.1.2. General Purpose LEDs
The General Purpose LEDs (LED3..0) are designed to indicate the boot-up POST code after which they are available to
the application. If the LED3..0 are lit red during boot-up, a failure is indicated. In this event, please contact Kontron for
further assistance.

Table 8: General Purpose LEDs Function

LED Color
LED3 red
green
red+green
LED2
red
green
red+green
LED1 red
www.kontron.com
Color State
red / green Off
Green
Red
Red blinking
red / green OFF
Green
Red
Function During Function During Uefi
Boot-Up Bios Post (If Post Code
Config. Is Enabled)
Power failure --
-- uEFI BIOS POST bit 3 and
bit 7
-- --
CPU catastrophic CPU catastrophic error
error
-- uEFI BIOS POST bit 2 and
bit 6
-- --
Hardware reset --
CP3005-SA – Rev. 0.6 Preliminary
Function
Power failure
Board in normal
operation
CPU has reached
maximum allowable
operating temperature
and the performance
has been reduced
CPU temperature above
125°C, CPU has been shut
off. In this event, all
General Purpose LEDs
(LED3..0) are blinking red
as well.
Watchdog inactive
Watchdog active,
waiting to be triggered
Watchdog expired
Function After Boot-Up
General Purpose or Port
80 Default: General
Purpose
General Purpose or Port
80
Default: General Purpose
General Purpose or Port
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