PCI\VEN_8086&DEV_0820
Medfield SD Host Controller driver
PCI\VEN_8086&DEV_0820 is the Intel Corporation Medfield SD Host Controller, a card reader device. Without it the SD card slot does nothing or shows as a Base System Device. Get it from Windows Update or your PC maker first; the chip maker's own package is on intel.com.
Device details
| Hardware ID | PCI\VEN_8086&DEV_0820 |
|---|---|
| Device name | Medfield SD Host Controller |
| Maker | Intel Corporation (PCI vendor ID 8086) |
| Device type | Card reader |
| Driver guide | Fix Base System Device driver |
| Latest official package | Intel Chipset INF Utility 10.1.20658.8883, January 8, 2026 |
How to install the driver for Medfield SD Host Controller
- Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with
PCI\VEN_8086&DEV_0820. - Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Card reader drivers often appear here.
- Check your PC maker. Enter your model or serial number on its support site and look under Card Reader or Chipset.
- Use the chip maker's package. Intel Chipset INF Utility on intel.com. Our fix base system device driver guide explains which package fits.
- Restart and check. Insert an SD card and check it opens in File Explorer.
Other Intel card reader IDs
VEN_8086&DEV_02F5400 Series Chipset Family On-Package SDXCVEN_8086&DEV_06F5400 Series Chipset Family SCS3 SDXCVEN_8086&DEV_0807Moorestown SD Host Ctrl 0VEN_8086&DEV_0808Moorestown SD Host Ctrl 1VEN_8086&DEV_19DBAtom Processor C3000 Series SD Host ControllerVEN_8086&DEV_2294Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series MMC ControlVEN_8086&DEV_31CCCeleron/Pentium Silver Processor SDA Standard Compliant SD Host ControVEN_8086&DEV_34C4Ice Lake-LP SD Host Controller
Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.