Programs the PPro internal Memory Type Range 
Register (MTRR) to increase especially video 
performance, can enable the 'fast strings' of 
the PPro, which are disabled usually, due to 
a flaw of PPros with stepping 1, enables the 
write buffers of the Intel Orion and Natoma 
chipsets. This program is of course another 
c't Magazine program and also of course from 
Andreas Stiller. If you've got a PPro you 
impossibly can do without it.