> Awhile back a friend of mine wrote a small app in VB to change the 3
> screens (logo.sys, logow.sys, logos.sys I think?).  The trick is that they
> need to be 8 bit BMP, resized to 400hx320w (yes, the dimensions are
> opposite what you'd think, I have no idea why they did it that
> way).  There are also kits out there for making animated BMPs but they're

Its 320x400. Its using 320x200 256color VGA mode, hacked to remove line 
doubling. Thus 320x400. Its actually possible to squeeze 360x480 
256colors out of even the lowliest VGA card. But it makes the 
framebuffer nonlinear. Ah, good ol' hardware register abuse...