NUC-J6412
®
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Revision History
Date
Description
July 20, 2021
First Release
1 : M.2 Key-M Socket (M2_M1)
2 : M.2 Key-E Socket (M2_E1)
3 : Clear CMOS Header (CLRMOS1)
1-2 : Auto Clear (PWR OFF)
2-3 : Clear CMOS
3 2 1
All manuals and user guides at all-guides.com
Jumpers and Headers Setting Guide
Top View:
4 : Front Panel Audio Header
Signal
Signal
PIN
PIN
Name
Name
2
AGND
4
NC
LIN1_R_
LIN1_L_
1
3
IN
IN
5 : USB 2.0 Connector (USB2_6_7)
DUMMY
6 : COM Port Header (RS232/422/485)
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
N/A
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
* This motherboard supports RS232/422/485 on COM1 port. Please
refer to below table for the pin definition. In addition, COM1 port
(RS232/422/485) can be adjusted in BIOS setup utility > Advanced
Screen > Super IO Configuration. You may refer to our user manual for
details.
COM1 Port Pin Definition
PIN
1
DCD, Data Carrier Detect
2
RXD, Receive Data
3
TXD, Transmit Data
4
DTR, Data Terminal Ready
5
6
DSR, Data Set Ready
7
RTS, Request To Send
8
CTS, Clear To Send
9
7 : Audio Jack (AUDIO1)
8 : USB 3.2 Gen2 Type-C Port (USB3_TC_1)
9 : Top : USB 2.0 Port (USB_4)
Bottom : USB 3.2 Gen2 Port (USB3_3)
10 : SATA3 Port (SATA3_1)
Signal
Signal
Signal
PIN
PIN
PIN
Name
Name
Name
6
LIN1_JD
8
LIN2_JD 10
NC
LIN2_R_
LIN2_L_
5
7
AGND
9
OUT
OUT
NC
RS232
RS422
RS485
TX-
RTX-
TX+
RTX+
RX+
N/A
RX-
N/A
GND
GND
GND
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
11 : SIO_AT1
1
Open : ATX Mode
Short : AT Mode
12 : USB 3.2 Gen2 Type-C Port (USB3_TC_2)
13 : System Panel Header (PANEL1)
1
HDLED+
PLED+
HDLED-
PLED-
GND
PWRBTN#
RESET#
GND
DUMMY
14 : DC-In Jack (DC_IN1)
15 : Top : USB 2.0 Port (USB_1)
Bottom : USB 3.2 Gen2 Port (USB3_0)
16 : Top : DisplayPort (DP1)
Bottom : HDMI Port (HDMI1)
17 : RJ-45 LAN Port (LAN2)
18 : RJ-45 LAN Port (LAN1)
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