MMC SD Host Controller Driver 6.20.11.44
by Ricoh Company8.1864-bit32-bitSHA-256 verified
- Manufacturer
- Ricoh Company
- Device
- MMC SD Host Controller
- Driver version
6.20.11.44- Release date
- September 12, 2012
- Supported Windows
- Windows 8.1, Windows 8
- Architecture
- 64-bit (x64), 32-bit (x86)
- File size
- 231 KB
- File name
20511160_28bbd9f07fa027d164f76097e8541558db4d52e0.cab- Digital signature
- Signed - catalog
risdxc.cat - INF version
09/12/2012, 6.20.11.44- INF provider
- Ricoh Company
- Device class
- SCSIAdapter
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
cc016753469a82cda62066fb1066fe4b6f9a4ef6579886eaf35ab46c867423a7
Supported hardware IDs (3)
Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.
How to install
- Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
- Verify compatibility: your Windows version (Windows 8.1, Windows 8) and architecture (x64, x86)must match this driver, and your device's Hardware ID should appear in the list above.
- Download the file using the button - it comes directly from Microsoft Update Catalog.
- Optionally verify the checksum: open PowerShell, run
Get-FileHash your-download.cab -Algorithm SHA256and compare with the SHA-256 above. - Extract the .cab archive: right-click → Extract All, or run
expand -F:* file.cab C:\driver\in Command Prompt. - Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run
pnputil /add-driver C:\driver\*.inf /install. - Check Device Manager: the device should show no warning icons, and the driver version should match.
How to roll back
If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).