Resizable BAR is a feature of the PCIe standard that enables a system’s CPU to see the entirety of the GPU’s memory subsystem, instead of just a small 256 MB portion. Implementing the feature requires low-level support in the CPU, motherboard, and GPU, which is how AMD, who designs all...
https://www.techspot.com/news/88764-nvidia-begins-rolling-out-resizable-bar-support-rtx.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/88764-nvidia-begins-rolling-out-resizable-bar-support-rtx.html?utm_source=dlvr.it&utm_medium=blogger