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Serial Port Connector: JCOM1
The mainboard offers one serial port JCOM1. It is 16550A high speed commu-
nication ports that senda/receivea/ 16 bytes FIFOs. You can attach a serial
mouse or other serial device directly to it.
10 9
2
1
JCOM1
Front USB Connectors: JUSB1 & JUSB2
The mainboard provides two standard USB 2.0 pin headers JUSB1 &
JUSB2 . 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, M P3 players, printers, modems and the like.
2
1
JUSB1, JUSB2
(USB 2.0)
Pin Definition
PIN
SIGNAL
1
DCD
2
SIN
3
SOUT
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
JUSB1 & JUSB2 Pin Definition
PIN
SIGNAL
1
VCC
10
3
USB0-
5
USB0+
9
7
GND
9
Key (no pin)
Hardware Setup
DESCRIPTION
Data Carry Detect
Serial In or Receive Data
Serial Out or Transmit Data
Data T erminal Ready)
Ground
Data Set Ready
Request T o Send
Clear To Send
Ring Indicate
PIN
SIGNAL
2
VCC
4
USB1-
6
USB1+
8
GND
10
USBOC
2-19
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