INT 13 - Super PC-Kwik v3.20+ - FLUSH CACHE                                     
	AH = A1h
	SI = 4358h
Return: CF clear
	AH = 00h (v5.10)
Notes:	PCIBM PC Tools PC-Cache 5.x and Qualitas Qcache 4.00 are OEM(Original Equipment Manufacturer) a company which purchases components that are resold as part of its own products under the company's own brand name, e.g. a Gateway 2000-branded monitor may actually be a Mag or NEC monitor. versions of
	  Super PC-Kwik, and thus support this call (note that PC-Cache v5.1
	  corresponds to PC-Kwik v3.20)
	this function is one out of several cache flush calls issued by the
	  PTS-DOS 6.51 and S/DOS 1.0 kernel before rebooting.
SeeAlso: INT 16/AX=FFA5h/CX=FFFFh
Index:	PC-Cache|Qualitas Qcache