Serial Port Connector; Usb Connectors - MSI K8N Neo4-F User Manual

MS-7125 M-ATX Mainboard

Serial Port Connector

The mainboard offers one 9-pin male DIN connector as the serial port. The port is a
16550A high speed communication port that sends/receives 16 bytes FIFOs. You
can attach a serial mouse or other serial devices directly to the connector.
1 2 3 4 5
6 7 8 9
9-Pin Male DIN Connector

USB Connectors

The mainboard provides two OHCI (Open Host Controller Interface) Universal Serial
Bus roots for attaching USB devices such as keyboard, mouse or other USB-com-
patible devices. You can plug the USB device directly into the connector.
1 2 3 4
5 6 7 8
USB Ports
E-2-12
Pin Definition
PIN SIGNAL
1 DCD
2 SIN
3 SOUT
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
USB Port Description
PIN SIGNAL
1 VCC
2 -Data 0
3 +Data0
4 GND
5 VCC
6 -Data 1
7 +Data 1
8 GND
DESCRIPTION
Data Carry Detect
Serial In or Receive Data
Serial Out or Transmit Data
Data Terminal Ready)
Ground
Data Set Ready
Request To Send
Clear To Send
Ring Indicate
DESCRIPTION
+5V
Negative Data Channel 0
Positive Data Channel 0
Ground
+5V
Negative Data Channel 1
Positive Data Channel 1
Ground