Int 1A/AX=B404h

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"

See Also: AX=B400h - INT 2F/AX=1684h/BX=304Ch

Category: Expansion Bus Bios - Int 1Ah - I

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