IEI Integration NANO-9452 v4.02 - Manual (Page 70)

NANO-9452 EPIC Motherboard
Page 52
The 2-pin 5 V power is for a SATA drive.
Figure 4-19: SATA Power Connector Location
PIN NO. DESCRIPTION
1 5 V
2 GND
Table 4-19: SATA Power Connector Pinouts
4.2.18 Serial Port Connector (RS-232, RS-422 or RS-485)
CN Label: COM2
CN Type: 14-pin header (2x7)
CN Location: See Figure 4-20
CN Pinouts: See Table 4-20
The 14-pin serial port connector connects to the COM 2 serial communications channels.
COM 2 is a multi function channel. In default mode COM 2 is an RS-232 serial
communication channel but, with the COM 2 function select jumper, can be configured as
either an RS-422 or RS-485 serial communications channel.