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I installed Android-x86 on VirtualBox and find the resolution to be too big, because it causes lags on the virtual device. I wanted to try a smaller resolution and came to the menu.lst file with the vga=844 kernel option.

I tried to look around for a list of valid values, but can't find much information.

So, what other VGA values are there?

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The table below lists some Linux vide mode numbers.

IMG:

As stated here:

The mode you wish to use is derived from the VESA mode number. Here are those VESA mode numbers:

  | 640x480  800x600  1024x768 1280x1024

----+-------------------------------------
256 |  0x101    0x103    0x105    0x107   
32k |  0x110    0x113    0x116    0x119   
64k |  0x111    0x114    0x117    0x11A   
16M |  0x112    0x115    0x118    0x11B   

The video mode number of the Linux kernel is the VESA mode number plus 0x200.

Linux_kernel_mode_number = VESA_mode_number + 0x200

So the table for the Kernel mode numbers are:

    | 640x480  800x600  1024x768 1280x1024
----+-------------------------------------
256 |  0x301    0x303    0x305    0x307   
32k |  0x310    0x313    0x316    0x319   
64k |  0x311    0x314    0x317    0x31A   
16M |  0x312    0x315    0x318    0x31B  

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