SCR300 Smart Card Reader Driver 6.2.7950.0
by Microsoft8.1864-bitSHA-256 verified
- Manufacturer
- Microsoft
- Device
- SCR300 Smart Card Reader
- Driver version
6.2.7950.0- Release date
- June 21, 2006
- Supported Windows
- Windows 8.1, Windows 8
- Architecture
- 64-bit (x64)
- File size
- 103 KB
- File name
4882_aab68b2051e5c6eb7300e3b4756ffaca13112a46.cab- Digital signature
- Signed - catalog
smartcrd.cat - INF version
06/21/2006,6.2.7950.0- INF provider
- Microsoft
- Device class
- SmartCardReader
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
3fd62f8011f2896ae1cc5bca875f20b77235f2bf044483ac4de619f09d0297e1
Supported hardware IDs (17)
- USB\VID_0066&PID_1001
- USB\VID_04E6&PID_1001
- PCMCIA\OMNIKEY-CARDMAN_4040-FE82
- PCMCIA\REFLEX_30-SMART_CARD_READER-E8F8
- PCMCIA\SLB-REFLEX30_SMARTCARD_READER-12C6
- PCMCIA\SMART_CARD_READER-PC-CARD-324D
- SERENUM\CPQB18D
- SERENUM\GEM0410
- PCMCIA\CARDMAN-4000-5626
- SERENUM\SCM0003
- SERENUM\SCM0009
- SERENUM\SCM000B
- SERENUM\SCM000C
- SERENUM\SCM000D
- SERENUM\SCM000F
- SERENUM\SCM0002
- PCMCIA\CARDMAN-MOBILE-379F
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)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).