SCM Microsystems SCR531 Driver Download
The SCR531 is a USB device manufactured by SCM Microsystems. This driver can help resolve issues like USB device not recognized, "Disk Not Formatted" errors, or if your device randomly ejects or stops working. This version of "SCRx31CCID_fw5.18.zip" is rated (5 out of 5 stars) based on 114 downloads and 5 reviews. It is compatible with PCs running Windows XP, among other operating systems. The total disk space used for this update is 269.4 KB.
Supported Models
SCR531
STCII DFU Adapter
Manufacturers
Supported Operating Systems
Windows XP, Windows NT4, Windows ME, Windows 98SE, Windows 98
File Name
Versions
5.181.04.00.01 (2004-10-21) via .inf
Additional Notes
Secure Card Readers
This firmware is only for SCR531 USB readers manufactured and distributed by SCM Microsystems.Downloading this firmware to other readers could result in reader becoming non-functional.
Note: If you are using the smart card reader in a corporate environment, check with your site administrator if the software being used shall be compatible after the reader has been upgraded.
If you are using an OEM version of reader that was manufactured by SCM Microsystems, please contact the OEM for firmware updates.
Uploaded By
sundar (DG Staff Member) on 29-Apr-2005
Related Driver Updates
How to Update SCR531 Device Drivers
Step 1 - Download Your Driver
To get the SCR531 driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter SCM Microsystems SCR531 into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the SCM Microsystems Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the SCM Microsystems website. Most major device manufacturers update their drivers regularly.
Step 2 - Install Your Driver
Open a tool called Device Manager.
Use Device Manager to put the new driver on your computer.
Turn your computer off.
Turn your computer back on.
Now your new driver is ready!
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| FIOSx33x.dll | 143.4 KB | 24 Jun 2004 |
| FwResorc.dll | 102.4 KB | 24 Jun 2004 |
| FwUpdate.exe | 241.7 KB | 24 Jun 2004 |
| FwUpdate.ini | 499 bytes | 14 Apr 2005 |
| SCR531_V518.bin | 32.8 KB | 24 Aug 2004 |
| stc2dfu.cat | 7.8 KB | 3 Nov 2004 |
| STC2DFU.INF | 1.4 KB | 25 Oct 2004 |
| STC2DFU.sys | 7.8 KB | 25 Oct 2004 |
| Sx33XRES.dll | 41.0 KB | 24 Jun 2004 |