INT 13 - HyperDisk v4.01+ - ???                                                 
	AX = 8EEFh
Return: CF set
	AX = CS of HyperDisk resident code
	???
Note:	identical to AX=8EEEh in HYPERDKX v4.21-4.30
SeeAlso: AX=8EEDh,AX=8EEEh,AH=EEh