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1AB404

Category: expansion bus BIOSes

INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - GET AVAILABLE IRQs???

	AX = B404h
	BX = bitmap of IRQs being used???
Return: CF clear if successful
	    AX = 0000h
	    BX = available for ISA??? (not(BXin) & A127h)
	    CX = available for on-board I/O??? (not(BXin) & 40D8h)
	    DX = available for PCI??? (either not(BXin) & 0E00h or 0000h)
	CF set on error
	    AX = error code (0051h) (see #01243)
Note:	the various vector types have also been called "shareable",
	  "unshareable", and "avoidable"
SeeAlso: AX=B400h,INT 2F/AX=1684h/BX=304Ch

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