ECS G43T-WM - Page 25

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Installing the Motherboard
COM2: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to
your system.
1 DCDB Data Carrier Detect
2 SINB Serial Input
3 SOUTB UART B Serial Output
4 DTRB UART B Data Terminal Ready
5 GND Ground
6 DSRB Data Set Ready
7 RTSB RART B Request to Send
8 CTSB Clear to Send
9 RI Ring Indicator
10 Key No pin
Pin Signal Name Function
SPI_ROM1: SPI ROM header
This 8 Mb ROM contains the programmable BIOS program.
1 CHIP SELECT Select chip
2 VCC VCC
3 DATA OUTPUT data output
4 HOLD hold
5 WRITE PROTECT BIOS write protect
6 CLOCK clock
7 CND CND
8 DATA INPUT data input
Pin Signal Name
Function