Serial Com Device Port Devices Driver Download



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  1. Serial Com Device Port Devices Driver Download Windows 8
  2. Serial Com Device Port Devices Driver Download Windows 7
  3. Serial Com Device Port Devices Driver Download Windows 10

Category: Network and Modems
Manufacturer: Leadtek Research Inc
Caution Level: Medium
Download File Size: 352.54K
Operating System: Windows 95/98
Latest Version / Release Date: 05 Dec 2001 / 04 Dec 2001

Windows device driver information for USB to Serial Port

Serial com device port devices driver download windows 10

Computer devices that were manufactured a few years back are most probably fitted with serial ports as compared to recent manufactured computers that have been fitted with USB ports. Apart from the computers of previous years there are also other computer devices that still use the serial port connectivity. An example includes printers, scanners, modems and several other devices. In order to be able to configure these devices with other devices that do not use similar connectivity it is important to acquire a USB to Serial Port cable. One of these cables is manufactured by Leadtek Research Incorporation. This cable supports 9 pin serial port devices even if a user does not have a serial port available in their computer. This features USB to serial port interface. With this cable you only plug the USB interface to any available USB port and if there's any available 9 pin serial port that is able to add other serial devices.

Outdated Drivers?

Unless you update your drivers regularly you may face hardware performance issues.

To check your drivers you should manually verify every device on your system for driver updates

USB to Serial Port is ideal for connecting POS peripherals and also supports RS-232/422/485 communication. This USB to Serial port has very fast data transfer speeds and also has the ability to assign data logger, magnet accessories, COM port numbers and a terminal block adaptor. With all these features this makes U Port products fairly easy to use as well as maintain. It also provides an array of USB to serial products that are used for extending windows COM ports through the use of the computer USB port. So with this users are bale to connect to data equipment as well as various other serial devices to the desktop computer. The drivers for this USB to serial port interface are available on the internet at no cost at all. The installation process is very easy and fast to complete. It is highly recommended you run a free registry scan for Windows and USB to Serial Port errors before installing any driver updates.

USB-RS232 Serial Converter Driver Download

Windows 7 64-bit & 32-bit, Windows Vista 64-bit & 32-bit, Windows XP, Windows 2000, Windows Me, Windows 98

Important note regarding Windows 7 and Vista:
The driver MUST be installed 'as Administrator'
Right-click the downloaded EXE file and choose Run as administrator

Download the Windows installer for the USB RS-232 adaptor:
Download for Windows 7/Vista/XP (32-bit)
Download for Windows 7/Vista (32-bit and 64-bit)

If for some reason the above driver does not work, try one of the following:
Download for Windows 7/Vista/XP (32-bit and 64-bit - Alternate driver)
Download for Windows XP, 2000, 98/ME (32-bit only)

For older cables (purchased prior to October, 2010):
Download for Windows 7/Vista/XP (32-bit and 64-bit)
Download for Windows Vista (32-bit only)

Run the installer, then after rebooting, plug the USB end of the adapter into one of the USB ports on the computer.

NOTE: For Windows 7, please use RC build 7100 or RTM Final version. (Installer program will not run on early Windows 7 or Beta versions)

Check the software driver installation

1) Open the Device Manager dialog from Control Panel

  • Windows Vista: Start >> Control Panel >> System >> Hardware >> Device Manager
  • Windows XP: Start >> Control Panel >> System >> Hardware >> Device Manager
  • Windows 2000: Start >> Settings >> Control Panel >> System >> Hardware >> Device Manager
  • Windows 98/ME: Start >> Settings >> Control Panel >> System >> Device Manager

2) Click the plus sign (+) next to 'Ports'.

3) If the device is properly installed, 'Serialio.com USB Serial Port' or 'Prolific USB-to-Serial COM Port' will be displayed.


The software driver is properly installed, but the USB-RS232 adaptor does not work as expected

One of the common reasons that software may not work as expected with a USB-Serial adaptor when the devcie is properly installed, is many older programs (and even some new ones) only support a limited number of COM ports (e.g. only COM1 - COM4)

If the USB-RS232 adapter is installed as COM5, it may need to be reassigned to COM1 - COM4 to work with some software.

The following outlines how to to reassign the COM port on Windows XP/2K/Me/98SE

Windows XP

1) Follow steps 1-3 of 'Check the software driver installation'above.

Serial Com Device Port Devices Driver Download Windows 8

2) Right-click on the 'Prolific USB to Serial Port', then click Properties

Serial com device port devices driver download win 7

Serial Com Device Port Devices Driver Download Windows 7

3) Click on the 'Port Settings' tab. Click the 'Advanced' button.

4) In the 'COM Port Number' drop-down select the desired port number. For example if the software requires COM2, select COM2. Note the COM port must have '(in use)' listed next to it, if it does then another device with that name is already installed in the system. After selecting the desire port number, click 'OK.'

5) Click 'OK' again, and the device will show up as being on the same COM port that it was before (i.e., COM5), but should show up on the selected port name when the Device Manager dialog is closed and opened again.

6) Close the Device Manager. Launch the software to use with the new COM port.

Windows 2000, Me, and 98 SE (Second Edition)

1) Follow steps 1 2 of 'Check the software driver installation'above.

2) Right-click on the 'Prolific USB to Serial Port', then click Properties.

3) Click on the 'Port Settings' tab. Click the 'Advanced' button.

4) Uncheck 'Use automatic settings'.

5) Select 'Input/Output range'. Click on 'Change Settings'.

6) Type '02E8-02EF' in the Value box. This value will change the port to COM 4. If COM 4 is in use, you must choose another port. The values for each port are.

Serial Com Device Port Devices Driver Download Windows 10

  • COM 1: 03F8-03FF
  • COM 2: 02F8-02FF
  • COM 3: 03E8-03EF
  • COM 4: 02E8-02EF

7) Enter the value, then click OK. Click OK again, then click Yes when the 'Creating a Forced Configuration' window appears. Click OK.

8) Restart the computer. The Device Manager can be checked, to see the COM port change.

Note: Adaptor may not be exactly as pictured above.
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