Commtech, Inc. Commtech 422/4-PCIe Controller driver download and installation

Commtech 422/4-PCIe Controller is a Multi Port Serial device. This driver was developed by Commtech, Inc.. The hardware id of this driver is PCI/VEN_18F7&DEV_0020; this string has to match your hardware.

1. Commtech, Inc. Commtech 422/4-PCIe Controller - install the driver manually

1. Download the setup file for Commtech, Inc. Commtech 422/4-PCIe Controller driver from the link below. This is the download link for the driver version 2.4.5 released on 2014-02-13.
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3. Start the driver installation file from a Windows account with administrative rights. If your UAC (User Access Control) is running then you will have to accept of the driver and run the setup with administrative rights.
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5. Follow the driver installation wizard, which should be pretty easy to follow. The driver installation wizard will scan your PC for compatible devices and will install the driver.
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7. Restart your computer and enjoy the fresh driver, it is as simple as that.
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This driver is digitally signed by Commtech, Inc..
Driver file size: 9096 bytes (8.88 KB)
This driver received an average rating of 5 stars out of 23678 votes.
This driver will work for the following versions of Windows:

• This driver works on Windows 2000 32 bits
• This driver works on Windows Server 2003 32 bits
• This driver works on Windows XP 32 bits
• This driver works on Windows Vista 32 bits
• This driver works on Windows 7 32 bits
• This driver works on Windows 8 32 bits
• This driver works on Windows 8.1 32 bits
• This driver works on Windows 10 32 bits
• This driver works on Windows 11 32 bits

2. How to install Commtech, Inc. Commtech 422/4-PCIe Controller driver using DriverMax

The advantage of using DriverMax is that it will setup the driver for you in just a few seconds and it will keep each driver up to date. How easy can you install a driver using DriverMax? Let's see!

1. Start DriverMax and push on the yellow button that says ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and analyze each driver on your computer.
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3. Take a look at the list of driver updates. Search the list until you find the Commtech, Inc. Commtech 422/4-PCIe Controller driver. Click the Update button.
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5. Enjoy using the updated driver! :)
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