INT 17 - HP Vectra - EXTENDED BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - "F17_PUT_BUFFER" - PRINT BUFFER
	AX = 6F02h
	CX = size of buffer in bytes
	DX = port number (0-3)
	ES:DI -> buffer containing characters to be printed
Return: AH = printer status (see #00631)
	CX = number of bytes successfully printed
	---on error (AH bit 0 set)---
	    ES:DI -> next byte to be sent
	---if successful---
	    ES:DI unchanged
SeeAlso: AH=00h,AX=6F00h,INT 14/AX=6F02h