INT 13 U - QUICKCACHE II v4.20 - ENABLE/DISABLE ???                             
	AH = 3Ch
	AL = new state of ??? (01h enabled, else disabled)
Return: AX = status (0000h successful)
Note:	is affected by the flag reported at offset 05h of the system info
	  returned by AH=30h, and sets the flag at offset 07h
SeeAlso: AH=3Bh