ASRock Z77TM-ITX User Manual - Page 9

CAUTION! 1. Due to limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 32-bit operating systems. Windows® 64-bit operating systems do not have such limitations. You can use ASRock XFast RAM to utilize the memory that Windows® cannot use. 2. PCIE 3.0 is only supported with Intel® Ivy Bridge CPU. With Intel® Sandy Bridge CPU, it only supports PCIE 2.0. 3. Intel® HD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated. Intel® Quick Sync Video 2.0, Intel® InTruTM 3D, Intel® Clear Video HD Technology, Intel® InsiderTM, Intel® HD Graphics 2500/4000 are supported by Intel® Ivy Bridge CPU. Intel® Quick Sync Video, Intel® InTruTM 3D, Intel® Clear Video HD Technology, Intel® HD Graphics 2000/3000, Intel® Advanced Vector Extensions (AVX) are supported by Intel® Sandy Bridge CPU. 9