Фото: Nathan Howard / Reuters
The 80286 introduced "Protected Mode" in 1982. It was not popular. The mode was difficult to use, lacked paging, and offered no way to return to real mode without a hardware reset. The 80386, arriving three years later, made protection usable -- adding paging, a flat 32-bit address space, per-page User/Supervisor control, and Virtual 8086 mode so that DOS programs could run inside a protected multitasking system. These features made possible Windows 3.0, OS/2, and early Linux.
，这一点在旺商聊官方下载中也有详细论述
这种类似“小聪明”的差异化小设计，在很长一段时间里都贯穿着绿联的产品，包括推出 USB 充电口 + 排插的设计，以及能插入AUX口的蓝牙接收器等等。
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