Download the latest version of the QSU-300-EMB driver for your computer's operating system. This update - "usb4win2000.exe" - has an average rating of 5 out of 5 stars based on 3 reviews, and has been downloaded 8 times. Compatibility for this driver update includes PCs running Windows operating systems such as Windows Vista and Windows XP. The total disk space used for this update is 1.3 MB.
QSU-300-EMB
Windows Vista, Windows XP, Windows 2000, Windows ME, Windows 98
usb4win2000.exe (1.3 MB)
4.20
QSU-300-EMB
USB Serial Adapter Driver File
Malathy (DG Staff Member) on 2-Mar-2007
To get the QSU-300-EMB 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 Quatech QSU-300-EMB 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 Driver Update Utility for Quatech QSU-300-EMB. It is a software utility which automatically finds and downloads the right 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.