The SCR331 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 "SCR331DI_fw6.22.zip" is rated (1 out of 5 stars) based on 190 downloads and 10 reviews. It is compatible with PCs running Windows XP, among other operating systems. The total disk space used for this update is 302.0 KB.
SCR331
STCII DFU Adapter
Windows 2003, Windows XP, Windows ME, Windows 98SE, Windows 98, Windows 95
6.22
This firmware is only for the SCR331-DI USB reader 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.
sundar (DG Staff Member) on 29-Apr-2005
See all SCM Microsystems SCR331 ratings and reviews
To get the SCR331 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 SCR331 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.
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.
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 | 484 bytes | 24 Jun 2004 |
STC2DFU.INF | 1.2 KB | 9 Oct 2001 |
STC2DFU.sys | 7.5 KB | 26 Dec 2001 |
Sx33XRES.dll | 41.0 KB | 24 Jun 2004 |
SCR331-DI_DualSlot_fw_hw1.2_PN904110_V6.22.bin | 32.8 KB | 18 Oct 2004 |
SCR331-DI_DualSlot_fw_hw1.4_PN904314_V6.22.bin | 32.8 KB | 18 Oct 2004 |
SCR331-DI_DualSlot_fw_hw2.0_pcb_V6.22.bin | 32.8 KB | 18 Oct 2004 |