NUC BOX-J6412
20
21
English
4.4 Onboard Headers and Connectors
Onboard headers and connectors are NOT jumpers. Do NOT place
jumper caps over these headers and connectors. Placing jumper caps
over the headers and connectors will cause permanent damage of the
motherboard!
SATA3 Port
This Serial ATA3 (SATA3)
(SATA3_1: see p.8, No. 7)
connector supports SATA data
cables for internal storage
devices. The current SATA3
interface allows up to 6.0 Gb/s
data transfer rate.
USB 2.0 Connector
There is one USB 2.0
(9-pin USB2_6_7)
connector on this
(see p.8 No. 5)
motherboard.
COM Port Header (RS232/422/485)
(9-pin COM1: see p.8, No. 6)
NC
DUMMY
* 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.
PIN
RS232
RS422
RS485
1
DCD, Data Carrier Detect
TX-
RTX-
2
RXD, Receive Data
TX+
RTX+
3
TXD, Transmit Data
RX+
N/A
4
DTR, Data Terminal Ready
RX-
N/A
5
GND
GND
GND
6
DSR, Data Set Ready
N/A
N/A
7
RTS, Request To Send
N/A
N/A
8
CTS, Clear To Send
N/A
N/A
9
N/A
N/A
N/A
COM1 Port Pin Definition
CCTS#1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRI#1
N/A
