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M S-9282 Server
Serial Port Connector: COM 2
The mainboard provides one 9-pin header as serial port COM 2. 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.
COM2
1
9
Front USB Connector: JUSB1
The mainboard provides one USB 2.0 pinheader (optional USB 2.0 bracket available)
that is compliant with Intel
creases 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, mo-
dems and the like.
Important
Note that the pins of VCC and GND must be connected correctly to avoid
possible damage.
2-10
PIN
1
2
2
3
4
5
6
7
8
9
®
I/O Connectivity Design Guide. USB 2.0 technology in-
JUSB1
2
1
Pin Definition
PIN
SIGNAL
1
VCC
3
USB0-
5
USB0+
7
GND
9
Key (no pin)
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
10
9
PIN
SIGNAL
2
VCC
4
USB1-
6
USB1+
8
GND
10
USBOC
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