RBIL61 - INT 41 - MS Windows debugging kernel - FREE INITIAL SEGMENT {callout or callback, protected mode, undocumented}

INT 41 CPU(Central Processing Unit) The microprocessor which executes programs on your computer. - MS Windows debugging kernel - FREE INITIAL SEGMENT
	AX = 005Ch
	BX = freed selector
Note:	called only when KERNEL starts, once for CS and once for the DS alias
	  to CS
SeeAlso: AX=0052h