Sealevel Systems, Inc. C4-104: ISA 4 Port RS-232 Port 3 driver download and installation

C4-104: ISA 4 Port RS-232 Port 3 is a Ports hardware device. This driver was developed by Sealevel Systems, Inc.. In order to make sure you are downloading the exact right driver the hardware id is MF/ISA_3521_DEV2.

1. How to manually install Sealevel Systems, Inc. C4-104: ISA 4 Port RS-232 Port 3 driver

1. You can download from the link below the driver setup file for the Sealevel Systems, Inc. C4-104: ISA 4 Port RS-232 Port 3 driver. The archive contains version 3.7.3 dated 2017-07-31 of the driver.
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3. Start the driver installer file from a user account with the highest privileges (rights). If your UAC (User Access Control) is enabled please confirm the installation of the driver and run the setup with administrative rights.
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5. Follow the driver installation wizard, which will guide you; it should be quite easy to follow. The driver installation wizard will analyze your computer and will install the right driver.
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7. When the operation finishes restart your PC in order to use the updated driver. It is as simple as that to install a Windows driver!
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This driver is not digitally signed.

This driver was rated with an average of 3.5 stars by 90017 users.

2. The easy way: using DriverMax to install Sealevel Systems, Inc. C4-104: ISA 4 Port RS-232 Port 3 driver

The most important advantage of using DriverMax is that it will install 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 with DriverMax? Let's see!

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 computer.
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3. Take a look at the list of available driver updates. Scroll the list down until you find the Sealevel Systems, Inc. C4-104: ISA 4 Port RS-232 Port 3 driver. Click the Update button.
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5. Finished installing the driver!
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