MSI Keeper 945GM V1.0 - Manual (Page 29)

M S-9641 M ainboard
2-16
Serial Port Connector: COM0
The mainboard provides one 9-pin header as serial port COM0. The port is a 16550A
high speed communication port that sends/receives 16 bytes FIFOs. You can attach
a serial mouse or other serial devices directly to it.
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
COM0
1
9
2
JLPC1 Pin Definition
PIN SIGNAL PIN SIGNAL
1 LCLK 2 Key (no pin)
3 LRST# 4 VCC3
5 LAD0 6 FID0_LRST
7 LAD1 8 VCC5
9 LAD2 10 Key (no pin)
11 LAD3 12 GND
13 LFRAME# 14 GND
JLPC1
13 14
2 1
FWH/LPC Debugging Pin Header: JLPC1
The pin header is for internal debugging only.
Power Select: J5