INT 48 - TI Professional PCIBM PC - GET EXTRA SYSTEM CONFIGURATION INFORMATION
	AH = 0Bh
Return: AL = drive type byte (see #03206)
	BX = extra system configuration word 1 (see #03205)
	CX = extra system configuration word 2 (see #03205)
	AH destroyed
SeeAlso: AH=00h,AH=01h,AH=02h,AH=03h,AH=04h,AH=06h,AH=08h,AH=0Ah