Chapter 5: Advanced Serverboard Setup
5-31
BMC Heartbeat LED
A BMC Heartbeat LED is located
at DS1 on the motherboard. When
DS1 is blinking, BMC is functioning
normally. See the table at right for
more information.
BMC Heartbeat LED
Status
Color/State De
fi
nition
Green:
Blinking
BMC: Normal
Unit Identifi cation Switch/LED
A Unit Identi
fi
er switch (SWUID) and
a rear UID LED indicator (LEDUID1)
are located next to the VGA port.
When pushing the rear UID switch,
the front UID LED indicator and the
rear UID LED (LEDUID1) will be turned
on. Push the UID switch again to turn
off both UID LED indicators. The UID
switch provides easy identi
fi
cation of
a system unit that may be in need of
service.
UID LED (LEDUID1)
Status
Color/State OS Status
Blue: On
Windows OS
Unit Identi
fi
ed
Blue:
Blinking
Linux OS
Unit Identi
fi
ed
