MSI 661FM3-V Serie Mode D'emploi page 14

Serial Port Connector: JCOM2
The mainboard offers another serial port JCOM2. It is 16550A
high speed communication port that sends/receives 16 bytes
FIFOs. The MSI JCOM2 cable is optional.
PIN SIGNAL DESCRIPTION
1 DCD Data Carry Detect
3 SOUT Receive Data Transmit
5 GND Data
7 RTS Request To Send Ring
9 RI Indicate
Serial ATA HDD Connectors: SATA1 & SATA2
The mainboard provides dual high-speed Serial ATA interface ports. The ports
support 1st generation Serial ATA data rates of 150MB/s and are fully compliant
with Serial ATA 1.0 specifications. Each Serial ATA connector can connect to 1
hard disk drive.
PIN SIGNAL PIN
1 GND
3 TXN
5 RXN
7 GND
MSI Reminds You...
Please do not fold the serial ATA cable in a 90-degree angle, which will cause the loss of data
during the transmission.
Clear CMOS Jumper: JBAT1
There is a CMOS RAM on board that has a power supply from
external battery to keep the system configuration data. With the
CMOS RAM, the system can automatically boot OS every time it is turned on. If you want to clear
the system configuration data, use the JBAT1 (Clear CMOS Jumper) to clear data. Follow the
instructions below to clear the data:
All manuals and user guides at all-guides.com
PIN
10
SIGNAL
2 TXP
4 GND
6 RXP
10
SIGNAL DESCRIPTION
2 SIN Serial in or receive data
4 DTR Serial out or transmit data
6 DSR Data Set Ready
8 CTS Clear To Send
X X
1
1
9
10 2
SATA2
7 1
SATA1
1
1
3
3
Clear Data Keep Data