Customize the VirtualBox BIOS Image

#VirtualBox #BIOS #Customization #VirtualMachine

Full steps can be found at https://i12bretro.github.io/tutorials/0383.html

From the VirtualBox documentation: The image must be an uncompressed 256 color BMP file without color space information (Windows 3.0 format). The image must not be bigger than 640 x 480.

Method 1 - Editing the VirtualBox VM XML

   01. Make sure the VM being modified is not running    02. Close the VirtualBox UI    03. Open File Explorer    04. Navigate to the VM directory    05. Open the .vbox file in a text editor    06. Search for BIOS    07. Add the following line inside the BIOS node          ≪logo displaytime="0" fadein="true" fadeout="true" imagepath="C:\Full\Path\to\BIOS.bmp" /≫    08. Change the imagePath to the full path to the custom .bmp file    09. Save the changes to the .vbox file    10. Start the VM normally to test

Method 2 - Using the VBoxManage Command

   01. Make sure the VM being modified is not running    02. Launch command prompt as administrator and run the following commands          cd %programfiles%\Oracle\VirtualBox          VBoxManage modifyvm "CaseSensitiveVMName" --bioslogoimagepath "C:\Full\Path\to\BIOS.bmp"    03. Start the VM normally to test  

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