Category: vendor-specific BIOS extensions
Flags: Undocumented function

INT 15 - AMI BIOS - Flash ROM - GET BIOS REVISION

	AX = DB04h
Return: CF clear if supported
	    BL:BH:DL:DH = BIOS revision string
		(e.g. 'AX1 ' for v1.00.05.AX1, 'AV0M' for v1.00.03.AV0M)
	    CL = flag: DH valid?
		00h ignore DH; ignore DL as well if 20h (space)
		01h ignore DH if 20h (space)
	    CH = BIOS status
		00h normal mode
		01h ROM recovery mode
	    AL = ??? (02h)
Note:	used by FMUP.EXE, Intel's Flash Memory Update utility
SeeAlso: AX=DA05h,AX=DA15h,AX=DA8Ch,AX=DB00h,AX=DB03h