The JMB380 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 driver - "JMB38X_WinDrv_R1.00.33_WHQL.zip" - has been downloaded 19 times and is rated 4 out of 5 stars based on 6 reviews. 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.
JMB380
JMB38X MS Host Controller
JMB38X SD Host Controller
JMB38X SD/MMC Host Controller
JMB38X xD Host Controller
Windows 7, Windows Vista, Windows XP
JMB38X_WinDrv_R1.00.33_WHQL.zip (927.4 KB)
R1.00.33 (25-Aug-2009)
1.0.33.2 (2009-08-18) via .inf
JMB38X Product Family
PCI Express to 1394a OHCI and Memory Card Host Controller Driver File
Sathishkumar (DG Staff Member) on 15-Dec-2009
To get the JMB380 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 JMB380 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.
Installing your newly downloaded driver is a straightforward process. Windows provides a dedicated tool called Device Manager for this purpose. Follow these steps to update your driver:
Access the Quick Access menu by right-clicking the Start button.
From the menu options, choose "Device Manager".
Within Device Manager, identify the device requiring the driver update.
Open the context menu for the device by right-clicking its name.
Select "Update driver" and proceed through the guided installation.
To complete the process, reboot your computer. This ensures the new driver is fully integrated into your system.
Regular driver updates contribute to optimal system performance and hardware compatibility.
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 |
|---|---|---|
| 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/jmcr.cat | 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/jmcr.cat | 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 |