Category: <b>no classification</b>
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<pre><b>INT 10 - ATI Mach64 BIOS - ???</b>

	AX = A004h
	BX = video mode??? (0000-00FFh)
	DX = ??? (sent to some port [66ECh???] one bit at a time, high to low)
	???
Return: AH = status
	    00h successful
	    01h failed
	???
SeeAlso: AX=A000h,AX=A002h
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