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2F150E

Category: disk I/O enhancements

INT 2F - CD-ROM v2.00+ - GET/SET VOLUME DESCRIPTOR PREFERENCE

	AX = 150Eh
	BX = subfunction
	    00h get preference
		DX = 0000h
		Return: DX = preference settings
	    01h set preference
		DH = volume descriptor preference
		    01h = primary volume descriptor
		    02h = supplementary volume descriptor
		DL = supplementary volume descriptor preference
		    01h = shift-Kanji
	CX = drive number (0=A:)
Return: CF set on error
	    AX = error code (15=invalid drive,1=invalid function)
	CF clear if successful

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