INT 16 - Compaq Systempro and higher - CACHE CONTROLLER STATUS                  
	AX = F400h
Return: AH = E2h (*)
	AL = status
	    00h not present
	    01h enabled
	    02h disabled
	CX = cache memory size
	    bit 15:	cache size information is NOT valid
	    bits 14-0:	cache memory size in kilobytes
	DH = cache write technology
	    bit 7:	cache write information is NOT valid
	    bits 6-1:	reserved (0)
	    bit 0:	0 = Write-through caching
			1 = Write-back caching
	DL = cache type
	    bit 7:	cache type information is NOT valid
	    bits 6-1:	reserved (0)
	    bit 0:	0 = Direct mapped
			1 = Two-way set-associative
Notes:	also supported by some versions of AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. dated June 1992 or later
	many (most) BIOSes return a modified AH when called for an unsupported
	  or non-keyboard function (typically, the highest supported keyboard
	  function [normally 12h] is subtracted from the original AH)
SeeAlso: AX=F401h,AX=F402h