Download and install Obsidian Control Systems Cypress EZ-USB 2121S/2125S - EEPROM missing driver

Cypress EZ-USB 2121S/2125S - EEPROM missing is a USBDevice hardware device. The developer of this driver was Obsidian Control Systems. The hardware id of this driver is USB/VID_0547&PID_2125; this string has to match your hardware.

1. Obsidian Control Systems Cypress EZ-USB 2121S/2125S - EEPROM missing - install the driver manually

1. Download the setup file for Obsidian Control Systems Cypress EZ-USB 2121S/2125S - EEPROM missing driver from the location below. This is the download link for the driver version 13.25.45.488 released on 2019-07-25.
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3. Start the driver installation file from a Windows account with administrative rights. If your UAC (User Access Control) is started 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 setup wizard, which should be pretty straightforward. The driver setup wizard will analyze your PC for compatible devices and will install the driver.
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7. Restart your computer and enjoy the new driver, as you can see it was quite smple.
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This driver is digitally signed by the manufacturer.
Driver file size: 2219062 bytes (2.12 MB)
This driver received an average rating of 5 stars out of 20758 votes.
This driver will work 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. How to use DriverMax to install Obsidian Control Systems Cypress EZ-USB 2121S/2125S - EEPROM missing driver

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 easy can you install a driver with DriverMax? Let's follow a few steps!

1. Open DriverMax and press on the yellow button named ~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 available driver updates. Search the list until you find the Obsidian Control Systems Cypress EZ-USB 2121S/2125S - EEPROM missing driver. Click the Update button.
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5. That's it, you installed your first driver!
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