This is the default.
pmipal Use the protected mode interface for palette changes.
-mtrr setup memory type range registers for the vesafb framebuffer.
-
+mtrr:n setup memory type range registers for the vesafb framebuffer
+ where n:
+ 0 - disabled (equivalent to nomtrr) (default)
+ 1 - uncachable
+ 2 - write-back
+ 3 - write-combining
+ 4 - write-through
+
+ If you see the following in dmesg, choose the type that matches the
+ old one. In this example, use "mtrr:2".
+...
+mtrr: type mismatch for e0000000,8000000 old: write-back new: write-combining
+...
+
+nomtrr disable mtrr
+
+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!