JMicron JMB381 Driver Download

JMicron Drivers

The JMB381 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 version of "JMB38X_WinDrv_R1.00.32_WHQL.zip" is rated (4 out of 5 stars) based on 33 downloads and 4 reviews. It is compatible with PCs running Windows 7, Windows Vista and Windows XP, among other operating systems. The total disk space used for this update is 980.9 KB.

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JMicron JMB381 Automatic Driver Update Utility
4 Ratings
33 Downloads

Supported Models

JMB381

JMB38X MS Host Controller

JMB38X SD Host Controller

JMB38X SD/MMC Host Controller

JMB38X xD Host Controller

Manufacturers

JMicron

Supported Operating Systems

Windows 7, Windows Vista, Windows XP

File Name

Versions

R1.00.32 (24-Jul-2009)
1.0.32.1 (2009-07-20) 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 JMB381 Device Drivers

Step 1 - Download Your Driver

To get the JMB381 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 JMB381 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

To install your new driver on Windows:

  1. Right-click the Start button.

  2. Click "Device Manager">

  3. Find your device in the list.

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

  5. Follow the steps on screen.

Restart your computer when done.

This keeps your computer working at its best.

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_R1.00.32_WHQL/Application/DIFxAPI.dll 319.5 KB 2 Nov 2006
JMB38X_WinDrv_R1.00.32_WHQL/Application/setup.dll 73.7 KB 24 Feb 2009
JMB38X_WinDrv_R1.00.32_WHQL/Application/x64/DIFxAPI.dll 525.8 KB 2 Nov 2006
JMB38X_WinDrv_R1.00.32_WHQL/Driver/x32/JmCR.sys 116.1 KB 20 Jul 2009
JMB38X_WinDrv_R1.00.32_WHQL/Driver/x32/JmCrIcon.dll 110.1 KB 14 May 2008
JMB38X_WinDrv_R1.00.32_WHQL/Driver/x32/jmcr.cat 99.6 KB 21 Jul 2009
JMB38X_WinDrv_R1.00.32_WHQL/Driver/x32/jmcr_jm.inf 68.0 KB 20 Jul 2009
JMB38X_WinDrv_R1.00.32_WHQL/Driver/x32/jmcr_sda.inf 68.2 KB 20 Jul 2009
JMB38X_WinDrv_R1.00.32_WHQL/Driver/x64/JmCR.sys 140.7 KB 20 Jul 2009
JMB38X_WinDrv_R1.00.32_WHQL/Driver/x64/JmCrIcon.dll 110.1 KB 14 May 2008
JMB38X_WinDrv_R1.00.32_WHQL/Driver/x64/jmcr.cat 99.7 KB 21 Jul 2009
JMB38X_WinDrv_R1.00.32_WHQL/Driver/x64/jmcr_jm.inf 68.0 KB 20 Jul 2009
JMB38X_WinDrv_R1.00.32_WHQL/Driver/x64/jmcr_sda.inf 68.2 KB 20 Jul 2009
JMB38X_WinDrv_R1.00.32_WHQL/Setup.exe 1.2 MB 22 Apr 2009
JMB38X_WinDrv_R1.00.32_WHQL/setup.ini 2.9 KB 22 Jul 2009
JMB38X_WinDrv_R1.00.32_WHQL/silentsetup.bat 31 bytes 23 Feb 2009
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