Super I/O
Winbond W83627UHG-E
Ethernet
2 x PCIe ports by RJ-45 with Intel 82574L Controller
USB
2 x USB 2.0 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 for internal mini PCIe
Serial
1 x RS-232/RS422/RS485 (COM1), DB-9 connector on I/O, Pin 9 with 5V/12V Ring select; 1 x RS-232(COM2) , DB-9 connector on I/O, Pin 9 with 5V/12V Ring select; 1 x RS-422/485 pin header(COM3) via CN2; 2 x UART(COM5/COM6) to expansion connector
GPIO
8-bits digital I/O by header (4 x DI, 4 x DO)
Storage
1 x SATA2 connector, 7 Pin; 1 x SATA2 connector, 7+15 Pin
Audio
1 x Stack Audio Jack, Realtek ALC662; 2 x 6-pin header Line-in, Line-out, MIC
KB/MS
1 x PS/2 KB/MS via CN3
Battery
1 x 2 Pin header support CR2477 (1000mAH)