Carrier-COM-HPC-C78
SECO Carrier-COM-HPC-C78 is a carrier board designed for COM-HPC® Client modules, built in ATX form factor to support evaluation, bring-up and system integration on high performance COM-HPC platforms. It provides a rich video and vision setup with 3x DP++ connectors, 1x 40-pole eDP/DSI connector, and 2x CSI camera input connectors. 
On the storage, networking, and expansion stack, it includes 2x SATA connectors, 2x M.2 Key M slots for NVMe drives, 2x NBase-T Ethernet RJ-45 connectors, 2x 10Gbase-KR interfaces on OCP Type-C connector, 4x USB 4.0 / USB 3.2 Gen2x2 Type-C ports with Power Delivery, 4x USB 2.0 Host ports, 2x PCIe x4 slots, 2x PCIe x4 interfaces on the M.2 slots, and 2x PCIe x16 slots. 
For system integration, the board also exposes I2S audio with line in, line out and mic in, 4 configurable serial ports with RS-232 / RS-422 / RS-485 support, plus a broad set of auxiliary interfaces including BMC connector, boot SPI header, GPIO, fan connector, smart battery connector, POST code displays, eSPI header and FuSa header. It supports an industrial operating range from -40°C to +85°C and measures 305 x 244 mm.
Technical Documents
At the following Links you will find documentations like Manual and Rev. specific documents.