If you’re used to running Framebuffer for higher resolution consoles within Linux console, then you’ll be used to the vga=xxx switch on your bootloader. As this takes a three letter code for various resolutions, some may use vga=791 for example – but what if you want a different resolution? You need a different code, which are below:
+-------------------------------------------------+ | 640x480 800x600 1024x768 1280x1024 ----+-------------------------------------------- 256 | 0x301=769 0x303=771 0x305=773 0x307=775 32K | 0x310=784 0x313=787 0x316=790 0x319=793 64K | 0x311=785 0x314=788 0x317=791 0x31A=794 16M | 0x312=786 0x315=789 0x318=792 0x31B=795 +-------------------------------------------------+
So, for example, if you want 1280×1024 at 16M colours, you’d use vga=795… or for 800×600 at 64k colours, you’d use vga=788 and so on.
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