Download and install Sealevel Systems, Inc. SIO-104.Ultra: PC-104 4 Port RS-232/422/5 Port 4 driver

SIO-104.Ultra: PC-104 4 Port RS-232/422/5 Port 4 is a Ports device. The Windows version of 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_3541_DEV3.

1. How to manually install Sealevel Systems, Inc. SIO-104.Ultra: PC-104 4 Port RS-232/422/5 Port 4 driver

1. Download the driver setup file for Sealevel Systems, Inc. SIO-104.Ultra: PC-104 4 Port RS-232/422/5 Port 4 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 administrative rights. If your UAC (User Access Control) is enabled then you will have to accept of the driver and run the setup with administrative rights.
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5. Go through the driver installation wizard, which should be pretty straightforward. The driver installation wizard will scan your PC for compatible devices and will install the driver.
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7. Restart your PC and enjoy the updated driver, it is as simple as that.
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This driver is not digitally signed.

This driver was installed by many users and received an average rating of 3.5 stars out of 89987 votes.

2. How to install Sealevel Systems, Inc. SIO-104.Ultra: PC-104 4 Port RS-232/422/5 Port 4 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 can you install a driver using DriverMax? Let's follow a few steps!

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 detected driver updates. Search the list until you find the Sealevel Systems, Inc. SIO-104.Ultra: PC-104 4 Port RS-232/422/5 Port 4 driver. Click on Update.
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5. That's it, you installed your first driver!
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