EZUSB PC SC Smart Card Reader Driver 3.1.9.0
by Castles Technology8.18764-bit32-bitSHA-256 verified
- Manufacturer
- Castles Technology
- Device
- EZUSB PC SC Smart Card Reader
- Driver version
3.1.9.0- Release date
- November 25, 2009
- Supported Windows
- Windows 8.1, Windows 8, Windows 7
- Architecture
- 64-bit (x64), 32-bit (x86)
- File size
- 58 KB
- File name
20320477_84c95d00f15183367775dea916f34c38d0457595.cab- Digital signature
- Signed - catalog
ezusbx64.cat - INF version
11/25/2009,3.1.9.0- INF provider
- Castles Technology
- Device class
- SmartCardReader
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
c6187f4dbae8a0e06e20a2d0186046a43f3a16059bf9367dd0161b83e3e7d085
Supported hardware IDs (1)
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, Windows 7) 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).
Other versions of this driver
| Version | Released | Source |
|---|---|---|
| 3.2.2.0 | December 14, 2015 | Microsoft Update Catalog |
| 3.2.1.0 | March 15, 2011 | Microsoft Update Catalog |
| 3.2.0.0 | September 20, 2010 | Microsoft Update Catalog |
| 3.1.7.0 | September 28, 2009 | Microsoft Update Catalog |
| 3.1.6.0 | January 22, 2008 | Microsoft Update Catalog |
| 3.1.7.0 | February 6, 2007 | Microsoft Update Catalog |
| 0.0.0.0 | September 23, 2004 | Microsoft Update Catalog |