JMicron JMB383 Driver Download

JMicron Drivers

The JMB383 is a network device manufactured by JMicron. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. This update - "" - has an average rating of 4 out of 5 stars based on 8 reviews, and has been downloaded 52 times. The uploader reports that this update will work successfully on PCs running Windows 7, Windows Vista and Windows XP. The total disk space used for this update is 927.4 KB.

JMicron JMB383 Automatic Driver Update Utility
8 Ratings

Supported Models


JMB38X MS Host Controller

JMB38X SD Host Controller

JMB38X SD/MMC Host Controller

JMB38X xD Host Controller



Supported Operating Systems

Windows 7, Windows Vista, Windows XP

File Name


R1.00.33 (25-Aug-2009) (2009-08-18) via .inf

Additional Notes

JMB38X Product Family

PCI Express to 1394a OHCI and Memory Card Host Controller Driver File

Uploaded By

Sathishkumar (DG Staff Member) on 15-Dec-2009

How to Update JMB383 Device Drivers

Step 1 - Download Your Driver

To get the JMB383 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 JMicron JMB383 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 JMicron 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 JMicron website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

After downloading the new driver, proceed with installation. On Windows, use the built-in Device Manager utility to manage your system's devices and drivers. To access it:

  1. Right-click the Start button

  2. Select "Device Manager" from the menu

  3. Locate the device needing the update

  4. Right-click the device and choose "Update driver"

  5. Follow the on-screen prompts to install

Once complete, restart your computer to ensure the new driver is fully implemented and functioning properly.

This process helps maintain your system's performance and compatibility with various hardware components.

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
JMB38X_WinDrv_R1.00.33_WHQL/Application/DIFxAPI.dll 319.5 KB 2 Nov 2006
JMB38X_WinDrv_R1.00.33_WHQL/Application/setup.dll 73.7 KB 31 Jul 2009
JMB38X_WinDrv_R1.00.33_WHQL/Application/x64/DIFxAPI.dll 525.8 KB 2 Nov 2006
JMB38X_WinDrv_R1.00.33_WHQL/Driver/x32/JmCR.sys 119.4 KB 18 Aug 2009
JMB38X_WinDrv_R1.00.33_WHQL/Driver/x32/JmCrIcon.dll 110.1 KB 14 May 2008
JMB38X_WinDrv_R1.00.33_WHQL/Driver/x32/ 104.3 KB 20 Aug 2009
JMB38X_WinDrv_R1.00.33_WHQL/Driver/x32/jmcr_jm.inf 70.9 KB 18 Aug 2009
JMB38X_WinDrv_R1.00.33_WHQL/Driver/x32/jmcr_sda.inf 71.1 KB 18 Aug 2009
JMB38X_WinDrv_R1.00.33_WHQL/Driver/x64/JmCR.sys 143.5 KB 18 Aug 2009
JMB38X_WinDrv_R1.00.33_WHQL/Driver/x64/JmCrIcon.dll 110.1 KB 14 May 2008
JMB38X_WinDrv_R1.00.33_WHQL/Driver/x64/ 104.4 KB 20 Aug 2009
JMB38X_WinDrv_R1.00.33_WHQL/Driver/x64/jmcr_jm.inf 70.9 KB 18 Aug 2009
JMB38X_WinDrv_R1.00.33_WHQL/Driver/x64/jmcr_sda.inf 71.1 KB 18 Aug 2009
JMB38X_WinDrv_R1.00.33_WHQL/Setup.exe 1.1 MB 13 Aug 2009
JMB38X_WinDrv_R1.00.33_WHQL/setup.ini 2.9 KB 21 Aug 2009
JMB38X_WinDrv_R1.00.33_WHQL/silentsetup.bat 31 bytes 23 Feb 2009
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