Category: <b>vendor-specific BIOS extensions</b>
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<pre><b>INT 48 - TI Professional PC - SPEAKER DEVICE - CHECK SPEAKER STATUS</b>

	AH = 01h
Return: ZF clear if speaker is currently on
	ZF set if speaker is currently off
SeeAlso: AH=00h,AH=02h,AH=03h,AH=04h,AH=06h,AH=08h,AH=0Ah,AH=0Bh
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