0x0000.4000 - 0x0000.4003    (4): bootloader info
  0x0 byte: support flags
    0x80: PCI
  0x1 byte: PCI "hardware characteristics"
  0x2 byte: PCI minor
  0x3 byte: PCI major
  0x4 byte: last PCI bus

0x0000.4200 - 0x0000.42ff  (256): VESA info
0x0000.4300 - 0x0000.43ff  (256): VBE strings

0x0001.0000 - 0x0001.1fff   (8k): memory map

0x0003.0000 - 0x0003.7fff  (32k): kernel
0x0003.8000 - 0x0003.ffff  (32k): kernel stack

0x1000.0000 - 0x1fff.ffff (256M): dynamic memory