M.2 E-Key
An M.2 E-Key port is present on the Helix motherboard to allow support for E-Key form-factor wireless
expansion cards. Only 2230 form-factor cards are supported. The E-Key connector on the Helix
platform supports PCIe Gen 3 x1 and USB 2.0.
A full pinout table for this expansion slot is provided in Appendix E.
M.2 M-Key
An M.2 M-Key port is present on the Helix motherboard to allow support for M-Key form-factor
expansion cards. Only 2280 form-factor cards are supported. The M-Key connector on the Helix
platform includes support for PCIe Gen 3 x2, SATA Gen I (1.5Gbps), SATA Gen II (3.0Gbps), and SATA
Gen III (6.0Gbps) devices.
A full pinout table for this expansion slot is provided in Appendix E
SO-DIMM1 & SO-DIMM2
The Helix platform has two onboard DDR4 SO-DIMM Slots. Below find the specifications of the two
SO-DIMM Slots:
○ Maximum Capacity: DDR4-3200 32GB with two 16GB SO-DIMM Modules
○ Channel configuration: 1DIMM Per Channel (DPC) - 2 Channels
○ No ECC Support
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