Rear Panel; Serial Port; Usb Ports - MSI Midas 915GM User Manual

2.6 Rear Panel

The Rear Panel provides the following connectors:
M ou se
COM Port
Keyboard

Serial Port

The mainboard offers one 9-pin male DIN connectors as serial port. The
port is 16550A high speed communication port that send/receive 16 bytes FIFOs.
You can attach a serial mouse or other serial devices directly to the connector.
1 2 3 4 5
6 7 8 9
9-Pin Male DIN Connector

USB Ports

The mainboard provides a UHCI (Universal Host Controller Interface)
Universal Serial Bus root for attaching USB devices such as keyboard, mouse or
other USB-compatible devices. You can plug the USB device directly into the
connector. The mainboard supports USB1.1 & 2.0 devices.
1 2 3 4
5 6 7 8
USB Ports
Parallel
VGA Port
Serial Port Pin Definition
PIN SIGNAL
1 DCD
2 SIN
3 SOUT
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
USB Port Description
PIN SIGNAL
1 VCC
2 -Data 0
3 +Data0
4 GND
5 VCC
6 -Data 1
7 +Data 1
8 GND
2-10
LAN
USB Ports L-Out
DESCRIPTION
Data Carry Detect
Serial In or Receive Data
Serial Out or Transmit Data
Data Terminal Ready
Ground
Data Set Ready
Request T o Send
Clear To Send
Ring Indicate
DESCRIPTION
+5V
Negative Data Channel 0
Positive Data Channel 0
Ground
+5V
Negative Data Channel 1
Positive Data Channel 1
Ground
L-In RS-Out
CS-Out
SPDIF Out
Mic
(Optical)