Onboard Power Led; Bmc Heartbeat Led - Supermicro X8DTU-LN4F+ User Manual

Onboard Power LED

An Onboard Power LED is located at LE1
on the motherboard. When this LED is lit,
the system is on. Be sure to turn off the
system and unplug the power cord before
removing or installing components. See
the tables at right for more information.

BMC Heartbeat LED

A BMC Heartbeat LED is located at D20
on the motherboard. When D20 is blink-
ing, BMC functions normally. See the
table at right for more information.
LAN4 LAN3
UID
J1
LAN2
J2
X8DTU-LN4F+
Rev. 2.0
B
D20
Winbond
BMC
Intel
COMS
Clear
IOH-36D
JBT1
Intel
BIOS
ICH10R
SATA0~5
A
LE1
FAN3
FPCTRL
T-SGPIO2
VGA1
COM1
LAN2 LAN1
USB0/1
IPMI_LAN
PHY
LAN1
SP1
JBT1
FAN8/CPU1
CPU1
CPU2
3-37
Chapter 3: Installation
Onboard PWR LED
(LE1) State
State/Color Defi nition
Off System Off (PWR cable
not connected)
Green System Power On
BMC Heartbeat LED
(D20) State
State Defi nition
Blinking BMC: Normal
A. Onboard PWR LED
B. BMC Heartbeat LED