Download and install SUNIX Co., Ltd. SUNIX 4-Port RS-232/422/5 Serial Card driver

SUNIX 4-Port RS-232/422/5 Serial Card is a Multi Function hardware device. The developer of this driver was SUNIX Co., Ltd.. The hardware id of this driver is PCI/VEN_1FD4&DEV_1999&SUBSYS_00841FD4&REV_00; this string has to match your hardware.

1. Install SUNIX Co., Ltd. SUNIX 4-Port RS-232/422/5 Serial Card driver manually

1. Download the driver setup file for SUNIX Co., Ltd. SUNIX 4-Port RS-232/422/5 Serial Card driver from the link below. This download link is for the driver version 10.2.1.0 released on 2022-12-15.
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3. Start the driver setup file from a Windows account with administrative rights. If your UAC (User Access Control) is started then you will have to confirm the installation of the driver and run the setup with administrative rights.
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5. Go through the driver installation wizard, which should be quite straightforward. The driver installation wizard will analyze 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 not digitally signed.

This driver received an average rating of 3.3 stars out of 51747 votes.

2. The easy way: using DriverMax to install SUNIX Co., Ltd. SUNIX 4-Port RS-232/422/5 Serial Card driver

The most important advantage of using DriverMax is that it will setup the driver for you in the easiest possible way and it will keep each driver up to date. How can you install a driver using DriverMax? Let's take a look!

1. Start DriverMax and press on the yellow button that says ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your PC.
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3. Take a look at the list of detected driver updates. Scroll the list down until you find the SUNIX Co., Ltd. SUNIX 4-Port RS-232/422/5 Serial Card driver. Click on Update.
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5. That's it, you installed your first driver!
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