INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - INSTALLATION CHECK            
	AX = B400h
Return: CF clear if installed
	AX = 0000h if installed
	    BH = ACFG major version (02h)
	    BL = ACFG minor version (08h)
	    CX = ??? (0002h)
	    EDX = 47464341h ('GFCA', which is byte-swapped 'ACFG')
	    SI = ??? (001Fh)
SeeAlso: AX=B401h,AX=B402h,AX=B403h,AX=B404h,AX=B405h,AX=B406h,AX=B407h
SeeAlso: @xxxxh:xxxxh"Plug-and-Play"


(Table 01243)
Values for Intel Plug-and-Play AUTO-CONFIGURATION error codes:
 0000h	successful
 0001h	specified action could not be completed
 0051h	???
 0055h	unable to read/write configuration table from/to nonvolatile storage
 0056h	not a valid configuration table or wrong table version
 0059h	buffer too small
 0081h	unsupported function
 FFFFh	???
SeeAlso: #F0081