Kontron AM4100, User Manual

Page: 40 / 150

Functional Description AM4100
Page 2 - 8 ID 36126, Rev. 2.0
P R E L I M I N A R Y
* Fur further information regarding the configuration of the User-Specific LEDs, refer to section
4.6.14, “User-Specific LED Configuration Register”.
Table 2-2: User-Specific LED Function
USER-
SPECIFIC
LED
COLOR
FUNCTION
DURING POWER-ON
FUNCTION DURING
BOARD INITIALIZATION
(IF POST CODE
CONFIGURATION IS ENABLED)
DEFAULT FUNCTION
AFTER POWER-ON
ULED3 red When lit up during
power-on, it indicates a
power failure. -- processor overtemperature
above 105 °C
green -- POST bit 3 and bit 7 AMC Ethernet port A link
signal status
ULED2 red When lit up during
power-on, it indicates a
clock failure -- processor overtemperature
above 105 °C
green -- POST bit 2 and bit 6 AMC Ethernet port B link
signal status
ULED1 red When lit up during
power-on, it indicates a
hardware reset. -- processor overtemperature
above 105 °C
green -- POST bit 1 and bit 5 freely configurable (host or
MMC)*
red+green -- -- freely configurable (host or
MMC)*
ULED0 red When lit up during
power-on, it indicates a
boot failure -- processor overtemperature
above 105 °C
green -- POST bit 0 and bit 4 freely configurable (host or
MMC)*
red+green When lit up during
power-on, it indicates a
boot failure
-- freely configurable (host or
MMC)*