When this appears as an "Unknown Device" in your Device Manager with a yellow exclamation mark, it usually means your operating system lacks the specific driver needed to communicate with the internal eMMC storage or SD card slot. What is the ACPI 80860F14?
Windows 7 32-bit Driver for Intel SD Host Controller - HardForum Acpi 80860f14
Visit the Intel Support Site and download the . When this appears as an "Unknown Device" in
You will typically find this in devices like the Microsoft Surface 3 , ASUS E202SA , Lenovo IdeaPad 100S Go to product viewer dialog for this item. , and various Chuwi or Acer Aspire tablets. Why is the Driver Missing? You will typically find this in devices like
The hardware identifier (often seen as ACPI\VEN_8086&DEV_0F14 ) specifically identifies the Intel SD Host Controller found in Intel Atom, Celeron, and Pentium processors—most commonly from the "Bay Trail" and "Braswell" families.
It manages the data transfer for the built-in eMMC drive (where Windows is often installed on budget laptops and tablets) and any inserted SD cards.