Serial Port Connectors: Com A & Com B; Rj-45 Lan Jack - MSI MS-6585 Technical Manual

MS-6585 ATX Mainboard
Serial Port Connectors: COM A & COM B
The mainboard offers two 9-pin male DIN connectors as serial port COM
A & COM B. The ports are 16550A high speed communication ports that send/
receive 16 bytes FIFOs. You can attach a serial mouse or other serial devices
directly to the connectors.
1 2 3 4 5
6 7 8 9
9-Pin Male DIN Connector

RJ-45 LAN Jack

The mainboard provides one standard RJ-45 jack for connection to Local
Area Network (LAN). You can connect a network cable to the LAN jack.
RJ-45 LAN Jack
2-12
Pin Definition
PIN SIGNAL
1 DCD
2 SIN
3 SOUT
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Pin Definition
PIN SIGNAL
1 TDP
2 TDN
3 RDP
4 NC
5 NC
6 RDN
7 NC
8 NC
DESCRIPTION
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
DESCRIPTION
Transmit Differential Pair
Transmit Differential Pair
Receive Differential Pair
Not Used
Not Used
Receive Differential Pair
Not Used
Not Used