Running CGMiner on Only Your Second NVIDIA Graphics Card: A Step-by-Step Guide

As a digital miner, you probably understand the importance of multiple computing resources to increase your chances of success. One popular option is to use multiple graphics cards in tandem, known as multi-GPU mining or cluster mining. In this article, we will walk you through the simple process of running CGMiner on only your second NVIDIA graphics card.

Why Use Two Graphics Cards?

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Before we dive into the setup, let’s look at why it’s beneficial to use two graphics cards:

  • Increased Mining Performance: With more GPUs, you can split mining tasks between them, resulting in higher overall mining power and efficiency.
  • Improved Cooling: Multiple GPUs allow for better cooling, as the heat generated by each card can be dissipated independently.
  • Reduced Overheating: By spreading the load across two cards, you are less likely to experience overheating issues.

Detailed Guide:

  • Installing Multiple Operating Systems

    :

  • Install Windows on your primary NVIDIA graphics card (Nvidia 650ti).
  • Install a Linux distribution (e.g. Ubuntu) on your secondary NVIDIA graphics card (AMD R9 280x).
  • Configure your graphics drivers:
  • On the Windows side, configure the GPU settings in your graphics drivers to prioritize the Nvidia 650ti.
  • On the Linux side, you may need to adjust your Xorg configuration or use a different driver to enable multi-GPU support.
  • Install CGMiner and other mining software:
  • Install CGMiner, a popular software for mining cryptocurrencies such as Ethereum, on both systems.
  • Be sure to update the software to the latest versions before proceeding.
  • Create a mining environment:
  • On the Windows side, create a new folder called “Mining” in your Documents or Desktop directory and drag the CGMiner executable into it.
  • On the Linux side, you may need to create a separate folder for your mining software.
  • Configure CGMiner for multi-GPU mining:
  • On the Windows side, go to the “Mining” folder and run cgminer.exe --config=multi-gpu.conf.
  • Create a new file named multi-gpu.conf in the same directory with the following content:

[GPU]

Nvidia = /dev/sv0

AMD = /dev/sv1

  • On the Linux side, you can use your favorite text editor to create or edit themulti-gpu.conffile. The format is similar to the Windows example.
  • Start CGMiner for multi-GPU mining:
  • On the Windows side, simply runcgminer.exe –config=multi-gpu.conf.
  • On the Linux side, you may need to use the command line interface to start the mining software. You can use tools likesystemctlorsudo systemctl start cgminer`.
  • Monitor your mining performance:
  • Monitor your mining performance using tools like CGMiner’s built-in monitoring feature or third-party applications like MinerGate.
  • Adjust your configuration as needed to optimize your mining setup.

Following these steps, you should be able to run CGMiner on your second NVIDIA graphics card alone. Remember to regularly check your GPU settings and adjust your mining software as needed to maintain optimal performance. Happy mining!

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