PCI\VEN_1179&DEV_0803

TC6371AF SD Host Controller driver

PCI\VEN_1179&DEV_0803 is the Toshiba Corporation TC6371AF 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.

Download from intel.comFull guide: Fix Base System Device driver

Device details

Hardware IDPCI\VEN_1179&DEV_0803
Device nameTC6371AF SD Host Controller
MakerToshiba Corporation (PCI vendor ID 1179)
Device typeCard reader
Driver guideFix Base System Device driver
Latest official packageIntel Chipset INF Utility 10.1.20658.8883, January 8, 2026

How to install the driver for TC6371AF SD Host Controller

  1. 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_1179&DEV_0803.
  2. Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Card reader drivers often appear here.
  3. Check your PC maker. Enter your model or serial number on its support site and look under Card Reader or Chipset.
  4. Use the chip maker's package. Intel Chipset INF Utility on intel.com. Our fix base system device driver guide explains which package fits.
  5. Restart and check. Insert an SD card and check it opens in File Explorer.

Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.