 MTRR  X11 3.3.x  mga_vid:
=========================================

1.   
~~~~~~~~~~~~~~~~~~~~~~~~
   3   :

-    X11 ( ):
(--) SVGA: PCI: Matrox MGA G400 AGP rev 4, Memory @ 0xd8000000, 0xd4000000
(--) SVGA: Linear framebuffer at 0xD8000000

-   /proc/pci (  lspci -v):
01:00.0 VGA compatible controller: Matrox Graphics, Inc.: Unknown device 0525
        Memory at d8000000 (32-bit, prefetchable)
        
-     mga_vid ( dmesg):
mga_mem_base = d8000000

2.    
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   -      
    :
   1 MB    0x100000
   2 MB    0x200000
   4 MB    0x400000
   8 MB    0x800000
  16 MB   0x1000000
  32 MB   0x2000000

3.  mtrr
~~~~~~~~~~~~~~~~~
       ,   mtrr
!

   ,   matrox (. ) (base=0xd8000000)  32MB
  ram (=0x2000000)   :
echo "base=0xd8000000 size=0x2000000 type=write-combining" >| /proc/mtrr

 -  K6-2 [ 266Mhz, stepping 0]   MTRR, 
 - 'stepping 12' -  ( cat /proc/cpuinfo).

: Nick Kurshev <nickols_k@mail.ru>
