PIN number, was sent directly to the computer. The host was responsible for all
environments and full virtualization systems such as Xen.
，这一点在91视频中也有详细论述
Arctis Nova 3P Wireless
Backpressure is strict by default. When a buffer is full, writes reject rather than silently accumulating. You can configure alternative policies — block until space is available, drop oldest, drop newest — but you have to choose explicitly. No more silent memory growth.