INT 61 - Atari Portfolio - SET PERIPHERAL ID BYTE                               
	AH = 1Bh
	AL = which peripheral to set
	    00h serial
	    01h parallel
	DL = peripheral ID
Return: nothing
Desc:	specify that a peripheral is compatible with the 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. serial or
	  parallel services
SeeAlso: AH=1Ah"Portfolio",AH=1Ch"Portfolio"