INT 6F - HP Vectra EX-BIOS - "F_SET_LIMITS_X" - SET HORIZONTAL TRACKING LIMITS
	AH = 0Ch
	BP = 005Ah (driver ID for V_STRACK)
	CX = minimum X coordinate
	DX = maximum X coordinate
Return: AH = status (see #03744)
	BP,DS destroyed
SeeAlso: AH=00h"HP Vectra",AH=04h/BP=005Ah,AH=08h/BP=005Ah,AH=0Eh/BP=005Ah
SeeAlso: AH=10h/BP=005Ah,AH=12h/BP=005Ah,INT 33/AX=0007h