IEI Integration UPC-12AH_GM45 v2.00 - Manual (Page 29)

UPC-12A/GM45 Panel PC
Page 17
Figure 2-6: COM Ports
Two of the serial ports (COM1 and COM2) are interfaced to the ITE IT8718 super I/O,
through the low pin count (LPC) bus to the ICH9M Southbridge. The remaining two serial
ports (COM3 and COM4) are connected to the ICH9M LPC bus through a Fintek serial
port controller.
2.4.2 LAN Connectivity
Two of the PCI Express (PCIe x1) lanes from the ICH9M Southbridge are interfaced to two
Realtek RTL8111CP PCIe gigabit Ethernet (GbE) controllers. The RTL8111CP controllers
are then connected directly to two RJ-45 connectors on the bottom panel and provides
external PCIe GbE connectivity.
Figure 2-7: RJ-45 Ethernet Connector