Category: DOS extenders
Flags: available only in protected mode

INT 31 - CauseWay - "SetSelDet" - SET SELECTOR BASE AND LIMIT

	AX = FF09h
	BX = selector
	CX:DX = new base address
	SI:DI = new byte-granular limit
Return: CF clear if successful
	CF set on error
SeeAlso: AX=FF07h,AX=FF0Ah