Moxa C104 Driver

The Moxa C104 driver enables Windows to recognize the board and make its serial ports available to compatible applications. Although listed in the Network category, the C104 is a multiport serial communication board, so its driver supports connected serial equipment rather than Ethernet or Wi-Fi networking. For Windows 11, 10, 8, or 7, check that the selected download explicitly supports your operating system and exact C104 hardware variant before installing.

Key Features

• Multiport serial access: Allows compatible software to communicate with equipment attached to the board’s serial ports.
• Windows COM port integration: Makes supported ports accessible through standard Windows serial interfaces for applications that use COM connections.
• Communication settings: Supports configuration of parameters such as baud rate, data bits, parity, and stop bits, within the limits of the hardware and driver.
• Hardware identification and management: Helps Windows associate the installed board with the correct driver so you can inspect its status and troubleshoot communication problems.

How to Install

1. Identify your board and Windows version. Confirm the full model designation on the Moxa C104 board or its documentation. Check whether Windows uses a 32-bit or 64-bit architecture, and verify that the driver package supports that combination.

1. Download and extract the compatible package. Save the driver locally and unpack it if supplied as an archive. Read any included installation notes, especially requirements for older hardware or manual resource configuration.

1. Follow the hardware setup instructions. If the board is not already installed, shut down and disconnect power before fitting it. Use the board’s manual to confirm slot compatibility and any required hardware settings.

1. Install the driver. Run the supplied installer with administrator privileges. If the package requires manual installation, follow its instructions to select the extracted driver files through Device Manager. Restart Windows if prompted.

1. Verify the serial connections. Check Device Manager for errors and note the assigned COM port numbers. Select the appropriate port in your application, match the communication settings to the attached equipment, and test data transfer.

Do not force an older driver onto an unsupported Windows release or disable security protections to complete installation. If no compatible package is available, confirm your options with Moxa support.

Common Issues and Fixes

• Install fails or rolls back: Confirm the driver package matches the C104 PC/104 board and Windows architecture, run the installer as administrator, and remove any older Moxa multiport serial driver before retrying.
• Device not detected: Reseat the C104 in the PC/104 stack, verify its IRQ/address jumper settings, and check that BIOS/OS resources are reserved for the legacy serial board; then rescan in Device Manager.
• Version/COM port conflicts: Uninstall previous Moxa C104 or other multiport serial drivers, reboot, install the current C104 driver, and resolve duplicate COM/IRQ assignments in Device Manager.