Super I/O
Fintek F81216AD / ITE IT8518E
Ethernet
2 x GbE ports by RJ-45 with Intel 82574L Controller
USB
2 x USB 3.0 external stack ports, 1 x USB 2.0 pin header via CN1, 1 x USB 2.0 pin header via CN2, 2 x USB 2.0 pin header via CN3, 1 x USB 2.0 for mini PCIe
Serial
1 x RS-232/RS422/RS485 (COM1), DB-9 Connector on I/O, pin 9 wth 5V/12V Ring select; 1 x RS-232(COM2) , DB-9 Connector on I/O, pin 9 with 5V/ 12V Ring select; 2 x UART(COM3,COM4) via CN3 (expansion connect); 2 x RS-422/485 pin header(COM5, COM6) via CN2
GPIO
8-bits digital I/O by header (4 x DI, 4 x DO), 4-bits digital I/O by header (2 x DI, 2 x DO)
Storage
1 x SATA3 connector, 7 Pin; 1 x SATA3 connector, 7+15 Pin
Audio
1 x Stack Audio Jack, Realtek ALC662, Line-out; 2 x 6-pin header Line-in, Line-out, MIC
KB/MS
1 x PS/2 KB/MS via CN3
Battery
1 x Smart battery, Support 3 Serial Li battery by 10-pin header (BAT2) / 1 x 2 Pin header support CR2477 (1000mAH)