MSI MS-9A08 - Manual (Page 46)

3-14
MAINBOARD SETUP
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SPI Flash ROM Connector: JSPI1
This connector is used to flash SPI flash ROM.
1
JSPI1
2
9
10
RS-232 Serial Port Connector: COM2 ~ COM5
This connector is a 16550A high speed communications port that sends/receives
16 bytes FIFOs. You can attach a serial device to it through the optional serial port
bracket.
COM2/3/4/5
1 9
2 10
PIN SIGNAL DESCRIPTION
1
2
3
4
5
6
7
8
9
10
DCD
SIN
SOUT
DTR
GND
DSR
RTS
CTS
RI
KEY
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
Key
PIN SIGNAL PIN SIGNAL
1
3
5
7
9
VCC3_SB
SPI_MISO_F
SPI_CS0_F#
GND
SPI_HOLD#
2
4
6
8
10
VCC3_SB
SPI_MOSI_F
SPI_CLK_F
GND
NC