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.
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Method 1 - Editing the VirtualBox VM XML
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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
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Method 2 - Using the VBoxManage Command
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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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