Windows 7 32-bit Driver for Intel SD Host Controller - HardForum
This device is a critical bridge between your computer's operating system and its flash storage.
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?
The first step is always to install the foundational chipset drivers. This utility tells Windows how to identify the various parts of the Intel processor.