INT 2F - PrintCache v3.1 PCACHE.EXE - GET BUFFER SIZE

	AX = C002h
Return: AX = ??? in K
	BX = size of print buffer in K
Program: PCACHE is the resident print spooler portion of PrintCache by
	  LaserTools; it may use either memory or disk space to spool output
SeeAlso: AX=C000h"PCACHE"