-- Only Once, calling order --
ChipIdentify (S3VIdentify)
ChipProbe (S3VProbe)
	Passive only, no ram determination, no writing
	
-- For each ScrnInfoRec, still calling order --
ChipPreInit (S3VPreInit)
	Allows probing and mapping, hardware must remain unchanged
  ChipGetRec
  
ChipScreenInit
  ChipMapMem
  ChipSave
    vgaHWSaveMMIO
  ChipModeInit
    vtSema=TRUE
    ChipWriteMode
      vgaHWRestoreMMIO




$XFree86: xc/programs/Xserver/hw/xfree86/drivers/s3virge/CALLMAP,v 1.2 1998/11/22 10:37:28 dawes Exp $