Prolific USB-to-Serial Bridge Driver Download
The USB-to-Serial Bridge is a USB device manufactured by Prolific. This driver can help resolve issues like USB device not recognized, "Disk Not Formatted" errors, or if your device randomly ejects or stops working. This driver - "USB_DB9_Y-105.zip" - has been downloaded 3,735 times and is rated 5 out of 5 stars based on 32 reviews. It has been installed successfully by our users on PCs running Windows 8 and Windows XP. The total disk space used for this update is 1.6 MB.
Supported Models
U232-P9 (Y-105)
Prolific USB-to-Serial Bridge
USB to Serial Port
Manufacturers
Supported Operating Systems
Windows XP, Windows 2000, Windows ME, Windows 98SE
File Name
Versions
2.0.0.18 (16-Jul-2003)
Additional Notes
driver for winXP prolific usb to DB9 convertor. Works for model U232-P9 (Y-105. (Made in china)
Uploaded By
mnbn01 (DG Member) on 1-Dec-2005
Most Helpful Reviews
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Device Hardware IDs
Compatible IDs
Related Driver Updates
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| USB_DB9_Y-105/INF/98ME_20011_2kXP_20024/DRemover98_2K.exe | 135.2 KB | 19 Oct 2004 |
| USB_DB9_Y-105/INF/98ME_20011_2kXP_20024/SER9PL.sys | 34.3 KB | 19 Oct 2004 |
| USB_DB9_Y-105/INF/98ME_20011_2kXP_20024/SERSPL.INF | 2.3 KB | 19 Oct 2004 |
| USB_DB9_Y-105/INF/98ME_20011_2kXP_20024/SERSPL.VXD | 26.7 KB | 19 Oct 2004 |
| USB_DB9_Y-105/INF/98ME_20011_2kXP_20024/SERWPL.INF | 8.6 KB | 19 Oct 2004 |
| USB_DB9_Y-105/INF/98ME_20011_2kXP_20024/ser2pl.sys | 43.1 KB | 19 Oct 2004 |
| USB_DB9_Y-105/SETUP/Y-105 Driver.exe | 1.7 MB | 19 Oct 2004 |
How to Update Prolific USB-to-Serial Bridge Device Drivers Quickly & Easily
Step 1 - Download Your Driver
To get the Prolific USB-to-Serial Bridge 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 Prolific USB-to-Serial Bridge 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 Prolific Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
Step 2 - Install Your Driver
Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.
How to Open Device Manager
In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager
In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager
In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager
In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager
In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button
How to Install a driver from Device Manager
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
Click the Update Driver button and follow the instructions.
In most cases, you will need to reboot your computer in order 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.