Magic Control Serial on USB Port Driver Download

Magic Control Drivers

The Serial on USB Port is a USB device manufactured by Magic Control. 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 - "" - has been downloaded 607 times and is rated 3 out of 5 stars based on 13 reviews. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 36.5 KB.

13 Ratings (see all reviews)

Supported Models

usb bay 3u1s1p/usbh-803

Serial on USB Port

USB BAY-3U1S1P Converter(Intel)


Magic Control

Supported Operating Systems

Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows 98SE

File Name


1.00i (2000-07-17) via .inf
(2000-07-16) via .inf

Additional Notes

device:ads usb docking station usbh-803, 3 usb/1 ser/1par ports While trying to find drivers I noticed windows identified device as usb bay 3u1s1p. I found these drivers when isearched on this. They are for the usb and serial section,the parallel gets put in by windows XP.

Uploaded By

guy deny (DG Member) on 13-Oct-2005

Most Helpful Reviews

4 of 5 people found the following review helpful:
Tested on Windows XP
3 Aug 2006

Installation: 3 out of 5
Stability: 3 out of 5
Compatibility: 3 out of 5
"I first had to consider the age of this device. The 3U1S1P was purchased more than five years ago, it is a 3 hub usb port w/1 - 9 pin and 1 - 25 pin serial port. With this in mind any help was appreciated. The device has always worked even without the updated drivers. The annoying problem is that the found new hardware wizard continues to pop-up although the device works p
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See all Magic Control Serial on USB Port ratings and reviews

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
U2SI.INF 1.5 KB 20 Jul 2000
U2SI.SYS 21.6 KB 17 Jul 2000
U2SPI.INF 1.7 KB 17 Jul 2000
USBUninstall.exe 59.9 KB 8 Nov 2000
Unins.dat 1.8 KB 1 Dec 2000

How to Update Serial on USB Port Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the Serial on USB Port 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 Magic Control Serial on USB Port 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 Magic Control 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

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. 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.

This website is not affiliated with Magic Control. All company names/logos are properties of their owners.
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