Dependent: 00 - Priority preferred
  irq 4 High-Edge
  port 0x3f8-0x3f8, align 0x7, size 0x8, 16-bit address decoding
Dependent: 01 - Priority acceptable
  irq 3 High-Edge
  port 0x2f8-0x2f8, align 0x7, size 0x8, 16-bit address decoding
Dependent: 02 - Priority functional
  irq 4 High-Edge
  port 0x3e8-0x3f8, align 0x7, size 0x8, 16-bit address decoding
Dependent: 03 - Priority functional
  irq 3 High-Edge
  port 0x2e8-0x2f8, align 0x7, size 0x8, 16-bit address decoding
