Hardware Setup - MSI MS-9801 User Manual

Front USB Connector: F_USB1
The mainboard provides one USB 2.0 pinheader that is compliant with Intel
nectivity Design Guide. USB 2.0 technology increases data transfer rate up to a
maximum throughput of 480Mbps, which is 40 times faster than USB 1.1, and is ideal
for connecting high-speed USB interface peripherals such as USB HDD, digital
cameras, MP3 players, printers, modems and the like.
Important
Note that the pins of VCC and GND must be connected correctly to avoid
possible damage.
Serial Port Connector: COM 2, COM3, COM4
The mainboard provides three 9-pin headers as serial port COM2, COM3 and COM4.
These ports are 16550A high speed communication port that sends/receives 16
bytes FIFOs. You can attach a serial mouse or other serial devices directly to it.
8
2
COM 2 / COM3 / COM4
F_USB1
2
1
Pin Definition
PIN SIGNAL
1 VCC
3 USB0-
5 USB0+
7 GND
9 Key (no pin)
9 PIN
1
2
3
4
1
5
6
7
8
9

Hardware Setup

10
9
PIN SIGNAL
2 VCC
4 USB1-
6 USB1+
8 GND
10 USBOC
Pin Definition
SIGNAL DESCRIPTION
DCD Data Carry Detect
SIN Serial In or Receive Data
SOUT Serial Out or Transmit Data
DTR Data Terminal Ready
GND Ground
DSR Data Set Ready
RTS Request To Send
CTS Clear To Send
RI Ring Indicate
I/O Con-
®
2-13