Front Usb Connectors: Jusb1, Jusb2, Jusb3 (Jusb1 Is Optional); Serial Port Connector: Jcom1 - MSI G965MDH Series User Manual

Front USB Connectors: JUSB1, JUSB2, JUSB3 (JUSB1 is optional)

The mainboard provides USB 2.0 pinheaders (optional USB 2.0 bracket available) that
are compliant with Intel
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, M P3 players, printers, modems and the like.
JUSB1/2/3
2
1
Important
Note that the pins of VCC and GND must be connected correctly to avoid
possible damage.

Serial Port Connector: JCOM1

The mainboard provides one 9-pin header as serial port JCOM1. 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 it.
JCOM1
1 2
9
® I/O Connectivity Design Guide. USB 2.0 technology increases
10
9
PIN
1
2
3
4
5
6
7
8
9
Hardware Setup
Pin Definition
PIN SIGNAL PIN
1 VCC 2
3 USB0- 4
5 USB0+ 6
7 GND 8
9 Key (no pin) 10
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 T o Send
CTS Clear To Send
RI Ring Indicate
SIGNAL
VCC
USB1-
USB1+
GND
N.C.
2-17