Keyspan USA-28x Driver Download (Official)
The USA-28x is a USB device manufactured by Keyspan. This driver can help resolve issues like USB device not recognized, "Disk Not Formatted" errors, or if your device randomly ejects or stops working. Visitors have downloaded this file "KeyspanUSA28Xv19.sit.bin" 1,013 times with an aggregate rating of 5 out of 5 stars based on 2 reviews. The total disk space used for this update is 565.8 KB.
Supported Models
USA-28x
Manufacturers
Supported Operating Systems
Mac OSX
File Name
Additional Notes
Mac OS 8.6 - 9.x
This file contains version 1.9 of the Keyspan USB Twin Serial Adapter installer.
Release Notes:
* improves overall serial communications
* IMPORTANT INFORMATION for Mac OS X users: If you are running Mac OS X and want to use your Keyspan serial adapter in 'Classic', do NOT install the Mac OS X software.
Uploaded By
Alagappan (DG Staff Member) on 9-Apr-2005
Related Driver Updates
How to Update USA-28x Device Drivers
Step 1 - Download Your Driver
To get the USA-28x 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 Keyspan USA-28x 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 Keyspan 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 Keyspan website. Most major device manufacturers update their drivers regularly.
Step 2 - Install Your Driver
After downloading your new driver, installation is the next step. On Windows, utilize the built-in Device Manager utility to manage this process. This tool provides a comprehensive view of all system-recognized devices and their associated drivers. To complete the installation, a system restart is typically required for the driver update to take effect.
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.