Download and install National Instruments Corporation NI PXI-8421/8 RS-5 Communications Port 4 driver

NI PXI-8421/8 RS-5 Communications Port 4 is a Ports device. The Windows version of this driver was developed by National Instruments Corporation. The hardware id of this driver is MF/PXI_485_8_DEV3; this string has to match your hardware.

1. National Instruments Corporation NI PXI-8421/8 RS-5 Communications Port 4 driver - how to install it manually

1. Download the setup file for National Instruments Corporation NI PXI-8421/8 RS-5 Communications Port 4 driver from the location below. This download link is for the driver version 1.6 dated 2004-01-01.
2.  
3. Start the driver installation file from a Windows account with the highest privileges (rights). If your User Access Control Service (UAC) is enabled then you will have to accept of the driver and run the setup with administrative rights.
4.  
5. Go through the driver setup wizard, which should be quite straightforward. The driver setup wizard will scan your PC for compatible devices and will install the driver.
6.  
7. Restart your computer and enjoy the fresh driver, as you can see it was quite smple.
8.  

This driver is not digitally signed.
The file size of this driver is 45881 bytes (44.81 KB)
This driver was rated with an average of 3 stars by 77799 users.
This driver was released 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. Installing the National Instruments Corporation NI PXI-8421/8 RS-5 Communications Port 4 driver using DriverMax: the easy way

The advantage of using DriverMax is that it will install 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 follow a few steps!

1. Open DriverMax and push on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and analyze each driver on your computer.
2.  
3. Take a look at the list of driver updates. Scroll the list down until you find the National Instruments Corporation NI PXI-8421/8 RS-5 Communications Port 4 driver. Click the Update button.
4.  
5. Finished installing the driver!
6.