MSI G52-S9617X1 - Manual (Page 28)

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MS-9617 ATX Workstation Board
USB Connectors
The rear panel provides four OHCI (Open Host Controller Interface) Universal Serial
Bus roots for attaching USB devices such as keyboard, mouse or other USB-compat-
ible devices. You can plug the USB device directly into them.
Serial Ports
The mainboard offers two 9-pin male DIN serial ports. The ports are 16550A high
speed communications ports that send/receive 16 bytes FIFOs. You can attach a
serial mouse or other serial devices directly to them.
PIN SIGNAL DESCRIPTION
1 DCD Data Carry Detect
2 SIN Serial In or Receive Data
3 SOUT Serial Out or Transmit Data
4 DTR Data Terminal Ready
5 GND Ground
6 DSR Data Set Ready
7 RTS Request To Send
8 CTS Clear To Send
9 RI Ring Indicate
Pin Definition
9-Pin Male DIN Connector
1 2 3 4 5
6 7 8 9
PIN SIGNAL DESCRIPTION
1 VCC +5V
2 -Data 0 Negative Data Channel 0
3 +Data0 Positive Data Channel 0
4 GND Ground
5 VCC +5V
6 -Data 1 Negative Data Channel 1
7 +Data 1 Positive Data Channel 1
8 GND Ground
USB Port Description
USB Ports
1 2 3 4
5 6 7 8