Conclusion & Call-to-Action
Based on documentation for the IB250MH and its corresponding chipsets: Intel B250 (Skylake-S/H architecture).
– Since the B250 chipset is standard, you can refer to a generic B250M motherboard manual for:
: This is the primary official source for the IB250MH. It details the system board components and internal cable routing.
This is a major point of confusion. The manual explains that the M.2 slot is shared with the SATA ports.