Frame buffer question

[David Csercsics]

That depends how the framebuffer is configured in the kernel. It's not 
the boot loader that is responsible for dropping your card into graphics 
mode. If you're using a modular kernel then blacklist the framebuffer 
modules. If it is using the vesafb driver which usually is built into 
the kernel then you are better off recompiling the kernel. You'll have 
to lsmod | grep radeon to find the exact name of the module for that 
video card because I don't remember what its called having never 
compiled it into my kernels. Then you can put something like this in 
/etc/modprobe.d/somefile.conf
blacklist radeonfborwhateverthenameofthemoduleis

But just because I'm curious why would you actually want an 80x25 console?