Dependent: 01 - Priority acceptable
   port 0x3f0-0x3f0, align 0x7, size 0x6, 16-bit address decoding
   port 0x3f7-0x3f7, align 0x0, size 0x1, 16-bit address decoding
   irq 6 High-Edge
   dma 2 8-bit compatible