mtrr setup memory type range registers for the vesafb framebuffer.
-vram:n remap 'n' MiB of video RAM. If 0 or not specified, remap memory
+vremap:n
+ remap 'n' MiB of video RAM. If 0 or not specified, remap memory
according to video mode. (2.5.66 patch/idea by Antonino Daplas
reversed to give override possibility (allocate more fb memory
than the kernel would) to 2.4 by tmb@iki.fi)
+vtotal:n
+ if the video BIOS of your card incorrectly determines the total
+ amount of video RAM, use this option to override the BIOS (in MiB).
+
Have fun!
Gerd