Status Leds - ADLINK Technology arm AMPERE COM-HPC-ALT User Manual

COM-HPC-ALT User's Guide

5.2 Status LEDs

Status LEDs are mounted on the module as below
Name Color Connection
LED1 Blue BMC output
LED2 Green Power Source 3Vcc
LED3 Red BMC output and same signal as WDT (B27)
on BtB connector
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LED1 LED2 LED3
Function
Power Sequence Status Code (BMC) Power Changes, Reset (see Exception Codes Table below)
S0 LED ON
S3/S4/S5 LED OFF
ECO mode LED OFF
Module power up
Watchdog counting
Watchdog timed out
Watchdog RESET
Rebooted after WD RESET
Rebooted after PWRBTN
Rebooted after RESET BTN
Note: only a Reset not initiated by the BMC can clear the WD LED (user action)
Copyright © 2023 ADLINK Technology, Inc.
WD LED = LED OFF
WD LED = Keep Last State
WD LED = LED ON
WD LED = LED ON
WD LED = LED ON
WD LED = LED OFF
WD LED = LED OFF
PICMG COM-HPC R1.0