Upper Memory Block
areas of available memory within the Upper Memory Area (UMA), not in use by video RAM, ROM, or IO devices
en-US/ˈʌpɚ ˈmɛmɚi ˈblɑk/
en-GB/ˈʌpə mɛməɹiː ˈblɒk/
areas of available memory within the Upper Memory Area (UMA), not in use by video RAM, ROM, or IO devices