Winmate IC70 User Manual page 23

2.5.6 CON3: Serial port COM2
The serial port COM2, which is Winbond I/O support, is RS232 only.
10 9
8 7
6 5
4 3
2 1
2.5.7 CON11: Serial port COM5、 、 、 、 COM6
2.5.8 D-SUB Dual Serial Port
The serial port COM3/4, RS232 only, from A1 to A9 is COM3, and B1 to B9 is
COM4, which is supported by Fintek.
COM4
B1
B6
A1
A6
COM3
IC70 Motherboard User Manual
Pin SYMBOL Pin
10 GND
8 NRI1A
6 NCTS1A
4 NRTS1A
2 NDSR1A
Pin No. SYMBOL
A1 FK_NDCD1
A2 FK_NSIN1
A3 FK_NSOUT1
A4 FK_NDTR1
A5 GND
A6 FK_NDSR1
A7 FK_NRTS1
A8 FK_NCTS1
A9 FK_NRI1
14
SYMBOL
9 GND
7 NDTR1A
5 NTXD1A
3 NRXD1A
1 NDCD1A
Pin No.
B1 FK_NDCD2
B2 FK_NSIN2
B3 FK_NSOUT2
B4 FK_NDTR2
B5
B6 FK_NDSR2
B7 FK_NRTS2
B8 FK_NCTS2
B9
SYMBOL
GND
FK_NRI2