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Unit ID LED
The rear UID LED indicator is located at LED1. This UID indicator provides easy identification
of a system that may need service.
BMC Heartbeat LED
A BMC Heartbeat LED is located at LEDBMC on the motherboard. When LEDBMC is blinking
green, the BMC is functioning normally. Refer to the layout below for the location of LEDBMC.
Note: For information on UID LED Indicators and BMC Heartbeat LED Indicator, please
refer to the section of UID LED/BMC Reset Switch and LED Indicator on
LAN
BMC
LEDBMC
CTRL
2
JL1
JSTBY1
JPL1
LED3601
(M.2-C1 LED)
M.2-C1
PCIe 4.0 X4
FANC
BT1
FANB
JBT1
2280
USB0/1
22110
(2.0)
TRX50
JD1
SP1
BIOS
LICENSE
JSD1
12V_PUMP_PWR2
SATA2
SATA0
SATA3
SATA1
USB2/3
JMCIO-1/2
(3.2 GEN1)
JWD1
JOH1
UID LED
LED Indicator
LED Color
Definition
Blue: On
System Identified
BMC Heartbeat LED Indicator
LED Color
Green: Blinking
1
LED1
(UID-LED)
JUIDB1
(UID)
USB9
(3.2 GEN2X2)
BMC_LAN
LAN2
LAN1
USB6/7
USB4/5
(3.2 GEN2)
(3.2 GEN2)
JPUSB1
FAN4
LED3602
(M.2-C2 LED)
CPU
M.2-C2
PCIe 4.0 X4
2280
22110
H13SRA-TF
REV:1.01
DESIGNED IN USA
USB8
(3.2 GEN2)
FANA
JTPM1
LED7
(Power LED)
JF1
69
Definition
BMC Normal
1. UID LED (LED1)
2. BMC Heartbeat LED
(LEDBMC)
JAUDIO1
VGA
COM1
JPW3
JSPDIF_OUT
JPAC1
JAFP1
FAN3
FAN2
FAN1
12V_PUMP_PWR1
JPW2
JPI2C1
JPW1
Chapter 2: Installation
page
43.
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