DriverCove

Cypress - Bus Controllers and Ports - ND-tech USB Adapter Driver 3.4.1.20

by Cypress8.18764-bitSHA-256 verified

Manufacturer
Cypress
Device
Cypress - Bus Controllers and Ports - ND-tech USB Adapter
Driver version
3.4.1.20
Release date
June 5, 2009
Supported Windows
Windows 8.1, Windows 8, Windows 7
Architecture
64-bit (x64)
File size
114 KB
File name
20337550_828e01cdaba9b68c0b943736a997ca93ebd33dbb.cab
Digital signature
Signed - catalog CYUSB.cat
INF version
06/05/2009,3.4.1.20
INF provider
Cypress
Device class
USB
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
2751496b00ec0f0e8e4d16bbd021cab5d58e5fdad0efe87ee9cc08dbb51bed6a

Supported hardware IDs (2)

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

  1. Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
  2. Verify compatibility: your Windows version (Windows 8.1, Windows 8, Windows 7) and architecture (x64)must match this driver, and your device's Hardware ID should appear in the list above.
  3. Download the file using the button - it comes directly from Microsoft Update Catalog.
  4. Optionally verify the checksum: open PowerShell, run Get-FileHash your-download.cab -Algorithm SHA256 and compare with the SHA-256 above.
  5. Extract the .cab archive: right-click → Extract All, or run expand -F:* file.cab C:\driver\ in Command Prompt.
  6. 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.
  7. 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).