The IO1872 is a device manufactured by Siig. This version of "4S_UPG.EXE" has been downloaded 20 times with a user rating of 5 out of 5 stars, based on 5 reviews. It is compatible with PCs running Windows XP, among other operating systems. The total disk space used for this update is 26.9 KB.
IO1872
Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows NT3.51, Windows ME, Windows 98SE, Windows 98, Linux
4S_UPG.EXE (26.9 KB)
To enable all PCI Expander 4S Upgrade Kits.
PCI Expander 4S
PCI 16550 UART two-port serial I/O card upgradable to 4S
Andrews (DG Staff Member) on 10-Sep-2004
To get the IO1872 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 Siig IO1872 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 Siig IO1872. It is a software utility which automatically finds and downloads the right driver.
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.