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Methods of Loading BMROS onto Physical Media

Types of Media Storage

BMROS can be installed onto various types of media storage. Here are the common types:

  1. USB Flash Drives:

    • Portable and easy to use.
    • Suitable for temporary installations or testing purposes.
    • Commonly used for live sessions or quick installations.
    • /dev/sda: Typically the first USB drive connected.
    • /dev/sdb, /dev/sdc, etc.: Subsequent USB drives connected will increment the letter (b, c, d, etc.).

  2. Solid State Drives (SSDs):

    • Faster and more reliable than HDDs.
    • Ideal for permanent installations where speed is a priority.
    • Provide better performance and longevity.
    • /dev/sda: Commonly used for the primary SSD.
    • /dev/sdb, /dev/sdc, etc.: Additional SSDs connected to the system.

  3. SD Cards:

    • Often used in embedded systems and single-board computers (e.g., Raspberry Pi).
    • Convenient for small, lightweight installations.
    • Limited in capacity compared to SSDs and HDDs but sufficient for many embedded applications.
    • /dev/mmcblk0: The main SD card slot.
    • /dev/mmcblk1, /dev/mmcblk2, etc.: Additional SD cards or card readers.

Configuring BIOS/UEFI for USB Drive Bootup

To boot BMROS from a USB drive, you need to configure your system's BIOS or UEFI settings. Here's how to do it:

Step-by-Step Guide

  1. Enter BIOS/UEFI Setup:

    • Restart your computer and enter the BIOS/UEFI setup. This is usually done by pressing a key during the boot process (common keys are F2, F12, Delete, or Esc). The specific key varies by manufacturer, so consult your computer’s manual if needed.

  2. Navigate to Boot Settings:

    • Once in the BIOS/UEFI setup, use the arrow keys to navigate to the Boot menu or Boot Order settings.
    • Look for options like "Boot Sequence," "Boot Order," or "Boot Priority."

  3. Enable USB Boot:

    • Ensure that USB booting is enabled. This option might be listed under "Boot Options," "Advanced BIOS Features," or "Boot Configuration."
    • If USB booting is disabled, enable it by selecting the option and changing its value to "Enabled."

  4. Set USB Drive as First Boot Device:

    • Change the boot order so that the USB drive is the first boot device. This ensures the system attempts to boot from the USB drive before any other devices.
    • Use the instructions provided on the BIOS/UEFI screen to move the USB drive to the top of the boot list. This is often done with the arrow keys and the Enter key.

  5. Save and Exit:

    • Save your changes and exit the BIOS/UEFI setup. This is typically done by pressing F10, but refer to the on-screen instructions or your computer’s manual for the exact key.
    • Your computer should now restart and attempt to boot from the USB drive.

Copying BMROS to Physical Media

  1. Locate the Drive:

    • Identify the target drive where you want to install BMROS. Use lsblk or fdisk -l to list all available drives and partitions.
    lsblk
    sudo fdisk -l

  2. Install BMROS to Media:

    • Use the provided script create-bmros-media.sh to copy BMROS to your selected media. Make sure the script has executable permissions.
    ./create-bmros-media.sh -d /dev/[sdX | mmcblkX]

    Replace /dev/sdX or /dev/mmcblkX with the appropriate device identifier for your target drive.

Troubleshooting Tips

  • USB Drive Not Recognized:

    • Ensure the USB drive is properly connected and recognized by the system.
    • Try using a different USB port, preferably one directly connected to the motherboard.

  • BIOS/UEFI Key Not Working:

    • Double-check the correct key for entering BIOS/UEFI. If unsure, look up the specific key for your computer model online.

  • Boot Order Not Saving:

    • Ensure you are saving the changes before exiting the BIOS/UEFI setup. If changes are not being saved, there might be an issue with the BIOS/UEFI firmware.

By following these steps, you can configure your system to boot BMROS from a USB drive, enabling you to install or run BMROS on your target machine. This method ensures a smooth and efficient setup process, making it easier to deploy BMROS across various hardware platforms.