INT 10 - ATI Mach64 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. - SET SLEEP MODE
	AX = A00Ch
	CL = new state
	    00h normal operation
	    01h standby
	    02h suspend
	    03h off
Return: AH = status
	    00h successful
	    01h failed
Note:	CL bit 2 affects values written to video card's ports
SeeAlso: AX=A000h,AX=A00Dh,AX=4F00h,AX=4F10h/BL=01h