2.3 - Motherboard Connectors
The motherboard is the same for HX310 and HX330. The second LAN port is only available for
configurations with the Pentium J6426 CPU option.
M.2 B-Key
An M.2 B-Key port is present on the Helix motherboard to allow support for B-Key form-factor
expansion cards. Supported cards include 3042, 2242, 2260, 2280 form-factors. The B-Key connector
on the Helix platform supports PCIe Gen 3 x1, USB 3.2 5Gb/s, USB 2.0, SATA Gen I (1.5Gbps), SATA
Gen II (3.0Gbps), and SATA Gen III (6.0Gbps) devices.
The 3FF Micro SIM card slot is available for OnLogic 4G Extrovert modules.
A full pinout table for this expansion slot is provided in Appendix E.