MSI K8T MASTER2-FAR User Guide - Page 28

USB Connectors, Serial Ports

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MS-9617 ATX Workstation Board 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. 1 2 3 4 5 PIN 1 2 3 4 6 7 8 9 5 9-Pin Male DIN Connector 6 7 8 9 Pin Definition SIGNAL DESCRIPTION DCD SIN SOUT DTR GND DSR RTS CTS RI Data Carry Detect Serial In or Receive Data Serial Out or Transmit Data Data Terminal Ready Ground Data Set Ready Request To Send Clear To Send Ring Indicate 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-compatible devices. You can plug the USB device directly into them. 1 23 4 5 67 8 USB Ports USB Port Description PIN SIGNAL 1 VCC 2 -Data 0 3 +Data0 4 GND 5 VCC 6 -Data 1 7 +Data 1 8 GND DESCRIPTION +5V Negative Data Channel 0 Positive Data Channel 0 Ground +5V Negative Data Channel 1 Positive Data Channel 1 Ground 2-12

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2-12
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