User Guide • SC3-LARGO • CompactPCI
®
Serial CPU Board • Intel
®
Core
TM
5xxx Processor
Front Panel LEDs
The SC3-LARGO is equipped with four LEDs which can be observed from the front panel. Three of
these LEDs are labelled according to their primary meaning, but should be interpreted altogether for
system diagnosis:
LED
Status
PG
Green/Red
GP
Green/Red
HD
Green/Yellow
OFF GREEN GREEN Sleep State S5 (Soft Off)
OFF GREEN OFF Sleep State S4 (Suspend to Disk/Hibernate)
OFF OFF GREEN Sleep State S3 (Suspend to RAM/Standby)
GREEN RED BLINK X After Reset
GREEN X X Board Healthy and in S0 State
YELLOW BLINK X X Front panel handle is unlocked
RED X X Hardware Failure - Power Fault
RED BLINK X X Software Failure
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