Sealevel Systems, Inc. C4-104: ISA 4 Port RS-232 Port 2 how to download and install the driver

C4-104: ISA 4 Port RS-232 Port 2 is a Ports hardware device. This driver was developed by Sealevel Systems, Inc.. The hardware id of this driver is MF/ISA_3521_DEV1; this string has to match your hardware.

1. How to manually install Sealevel Systems, Inc. C4-104: ISA 4 Port RS-232 Port 2 driver

1. Download the setup file for Sealevel Systems, Inc. C4-104: ISA 4 Port RS-232 Port 2 driver from the link below. This is the download link for the driver version 3.7.3 dated 2017-07-31.
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3. Start the driver setup file from a Windows account with the highest privileges (rights). If your User Access Control (UAC) 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. Follow 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 PC and enjoy the fresh driver, it is as simple as that.
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This driver was not digitally signed.

Driver rating 3.4 stars out of 90165 votes.

2. How to install Sealevel Systems, Inc. C4-104: ISA 4 Port RS-232 Port 2 driver using DriverMax

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, not just this one. How easy can you install a driver with DriverMax? Let's take a look!

1. Start DriverMax and click on the yellow button that says ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and analyze each driver on your PC.
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3. Take a look at the list of available driver updates. Search the list until you locate the Sealevel Systems, Inc. C4-104: ISA 4 Port RS-232 Port 2 driver. Click on Update.
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5. That's it, you installed your first driver!
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