21-04-2021

Drivers Alti-2 Port Devices



TS-990S, TS-890S, TS-590SG, TS-590S, TH-D72A/E
KPG-22U, KPG-46U, KPG-186U
Virtual COM Port Driver		Last updated : August 21, 2019
Introduction
Thank you for choosing the KENWOOD transceivers. You can connect your TS-990S, TS-890S, TS-590SG, TS-590S, or TH-D72A/E to a PC via a USB cable, or you can connect your TH-K20A/E, TH-K40A/E, TM-281A/E, TM-481A, or other transceivers to a PC via the KPG-22U/46U/186U programming cables by installing the virtual COM port driver in the PC, and then utilize the Radio Control Program, Memory Control Program, or other software we have provided.
This virtual COM port driver installation program is provided by Silicon Laboratories Inc.
After reading through the following explanations, feel free to download and install the software.
Operating Environment
1.Operating System (OS)
Windows® 7 (32-bit or 64-bit)
Windows® 8.1 (32-bit or 64-bit)
Windows® 10 (32-bit or 64-bit)
2.Peripheral Devices
USB 2.0 interface.
Installing the virtual COM port driver
ATTENTION: Do not connect the device to a PC before installing the virtual COM port driver.
Extract the downloaded file ('CP210x_Windows_Drivers.zip' for Windows® 7/8.1, or 'CP210x_Universal_Windows_Driver.zip' for Windows® 10) into a designated folder.In the designated folder, a folder labeled 'CP210x_Windows_Drivers' or 'CP210x_Universal_Windows_Driver' will be created.
In the created folder, double click the 'Cp210xVCPInstaller_x86.exe' with 32-bit OS, or the 'Cp210xVCPInstaller_x64.exe' with 64-bit OS, and follow the instructions that appear on the display to install the virtual COM port driver.
Connecting the device to a PC
Turn the transceiver power ON, then connect it to a PC via a connection cable for the transceiver. The PC will detect new hardware.
The installation of the device driver software will start automatically.
If a reboot request appears, please reboot the PC.
Confirming the COM port number
Open the 'Device Manager' to confirm which COM port number is assigned for connection with the device.
(Confirm the COM port number after turning on the transceiver and connecting the transceiver to the PC using a USB cable, or after connecting the KPG-22U/46U/186U to the PC.)
For Windows® 7
1. Click the Windows® [Start] button.
2. Right-click [Computer], then click [Properties].
3. Click [Device Manager] in the displayed window.
4. [Device Manager] window will appear.
For Windows® 8.1 and Windows® 10
1. Right-click the Windows® [Start] button.
2. Click [Device Manager] in the displayed window.
3. [Device Manager] window will appear.
Click “Ports (COM & LPT)” to extend it, then you can find “Silicon Labs CP210x USB to UART Bridge (COMxx)”.The “COMxx” number is different depending on your PC.
In the above example, “Silicon Labs CP210x USB to UART Bridge (COM3)” is listed. This means that COM3 is assigned for the connection with the transceiver.
Select this port number in the configurations for communication in the software you are using.
Note:
When connecting a TS-890S transceiver to the PC, 2 virtual COM ports are assigned as follows.
In the TS-890S Menu settings, these 2 virtual COM ports are defined as [Virtual 'Standard' COM Port] and [Virtual 'Enhanced' COM Port].
These 'Standard' and 'Enhanced' virtual COM ports are distinguished as follows.
•Double-click on these in the Device Manager to display the respective Properties windows.
•Select the 'Details' tab and then select 'Location Paths' (or 'Rutas de acceso de ubicación':Español, 'Chemins d'accès des emplacements':Français, 'Speicherortpfade':Deutsch, 'Percorsi':Italiano, 'Locatiepaden':Nederlands) from the Property drop-down menu.
•Move the mouse cursor to the line displayed in the 'Value' column (the top line if multiple lines are displayed) and check the number in the parenthesis on the right end of the character string.
The port displayed with the number (1) is the virtual COM (Standard) port of the transceiver.
In the display example above, the virtual 'Standard' COM port is assigned to COM3.
The port displayed with the number (2) is the virtual COM (Enhanced) port of the transceiver.
In the display example above, the virtual 'Enhanced' COM port is assigned to COM4.
Please also refer to the TS-890S Instruction manual for details.
If you agree with the details listed above, click one of the following links corresponding to each OS to download the virtual COM port driver installation program.
For Windows® 7/8.1：
'CP210x_Windows_Drivers.zip'(v6.7.6) 6.83MB download
For Windows® 10：
'CP210x_Universal_Windows_Driver.zip'(v10.1.8) 878KB download
You can also download the latest and earlier versions virtual COM port driver installation program from the Silicon Laboratories website. (The URL link is subject to change.).
Microsoft®, Windows®, and Windows logo are registered trademarks of Microsoft Corporation in the United States and/or other countries.

Virtual COM port (VCP) drivers cause the USB device to appear as an additional COM port available to the PC. Application software can access the USB device in the This page contains the VCP drivers currently available for FTDI devices. For D2XX Direct drivers, please click here. The ATA port driver uses SRBs to communicate with higher-level drivers only. To communicate with its miniport drivers, ATA port uses a packet called an IDE request block (IRB), which is defined by the IDEREQUESTBLOCK structure. IRBs are better designed than SRBs to the characteristics of ATA devices. Another difference between the ATA port.

Dec 21, 2020 • Filed to: USB Recovery • Proven solutions Casio keyboard usb driver download.

Have you ever had difficulty connecting your devices to your computer using a Prolific USB to Serial adapter? If yes you are lucky to find this page, it will give you all the information need to fix an unresponsive Serial driver adapter. You may have noticed a yellow exclamation mark hovering over or beside the USB to Serial Driver when searching your Device Manager and if you have we can all agree that it signifies a prevailing problem.

Overview of the Error

If you are not able to connect your device to your PC using a USB to Serial adapter it may be that

  • The USB driver is outdated
  • The USB Driver is missing
  • Or even a corrupted driver

While you can't be so sure what the exact problem is there are solutions you can adopt to fix the issue once and for all. Read on to find quick fixes to resolve the problem.

1# Fix Prolific USB to Serial Driver not Working

Solution: Roll your Prolific USB to Serial Driver back to an older version

Updating your drivers often work wonders for your system because it makes sure that it runs on the latest features that guarantee maximum functionality. Unfortunately updating your drivers can cause this kind of error especially if your latest update does not work too well with your hardware. Once you upgrade your PC to the latest Windows version your Prolific USB to Serial Driver also updates to the latest driver software and if the driver is not compatible with your Hardware issues may arise. To correct the error, you will have to download the driver again by following these steps.

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  • Right-click on your PC Start button and open Device Manager
  • Double click LPT and COM ports then locate the Prolific USB to Serial Driver and right-click it so you can select Update Driver
  • For driver software click My computer
  • From My computer select 'Let me pick from a list of drivers available'
  • Choose an older version from the list then click Next
  • The driver you selected will be installed automatically
  • Once it has been downloaded reconnect the driver to see if it works.

2# Fix Prolific USB to Serial Driver 'Coder 10'

Driver issues reveal themselves in so many ways or through messages such as

  • This device will not start (Code 10)
  • There is no driver installed in this device
  • The driver was not successfully installed

A code 10 error may arise because the chip you are using is not an original one. If you are using a fake, the manufacturer has a way of disabling it due to copy write infringement and the copy write takes effect once you download a recent update. To protect your PC from getting this code, you will have to make sure that your Windows 10 never updates a driver without approval. Updates come in the form of 64 bit and 32-bit drivers. Below we will show you how to work your way around the problem.

Window 64 bit Fix

To fix Windows 64 bit OS including Prolific USB to Serial Adapter, follow through these steps.

  • Download 'PL2303_64bit_Installer.exe and Save
  • Remove every USB to Serial adapter from your PC and double click the 'PL2303_64bit_installer.exe
  • Follow the prompt by plugging in one USB to Serial adapter the click on Continue
  • Reboot your PC to get Windows up and running

If you have followed these process through and you still see the same error go to your device manager

  • Open the control panel and navigate to Device Manager
  • From your control panel navigate to the System category and click the Hardware tab
  • Scroll to the LPT/COM port and double click Prolific USB to Serial Comm Port
  • Click Drivers in the Properties section
  • The Driver you choose should read '3.3.2.102 with an appropriate date attached
  • If the date is wrong then it means the wrong driver was installed
  • Unplug the Serial adapter and run the steps again to install the correct driver
Port

Drivers Alti-2 Port Devices Replicator

Window 32-bit

For Windows 32-bit OS systems follow these steps

  • You will have to download the 'PL-2303_Driver_Installer.exe and save from Microsoft download link
  • Run the program and eradicate the driver if you can
  • Run the installer once more to install a correct driver

To Troubleshoot for error if your device still does not work

  • Go to Control panel, enter System to access your Device Manager
  • Scroll down to the LPT/ COM port then double click Prolific USB to Serial Comm Port
  • Click Driver in the Windows Properties section
  • The driver must be numbered as '2.0.2.8' and dates accordingly

If the driver was not installed, remove the Serial adapter then run 'PL2303_Driver_Installer.exe' again. Follow directions in Device Manager to download the correct driver

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The three solutions listed in this article have proven to be quite helpful in fixing a Prolific USB to Serial driver not working on Windows 10. They may appear confusing at first but if you follow each step in detail you can resolve the issue.

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