IEI Integration NOVA-HM551 v1.00 - Manual (Page 50)

NOVA-HM551 5.25" SBC
Page 36
Figure 3-18: SATA Power Connector Locations
Pin Description
1 +5V
2 GND
Table 3-19: SATA Power Connector Pinouts
3.2.18 Serial Port Connector (RS-232)
CN Label: COM1
CN Type: 40-pin header (2x20)
CN Location: See
6
Figure 3-19
CN Pinouts: See
6
Table 3-20
This connector provides RS-232 connections for four serial ports.
Figure 3-19: COM Connector Pinout Locations