In the days before Windows, this is a very important function, but the 32-bit "protected mode" software does not use BIOS, therefore the use of this feature and even less.
在Windows以前，这是一个非常重要的功能，但是32位的“保护模式”软件不使用BIOS，因此今天这个功能的用途就更少了。
NTLDR loads the basic memory configuration and switches to 32-bit mode (protected mode). NTLDR then places itself into high memory to free up as much memory space as possible.
NTLDR载入基本的内存配置并转为32位模式(保护模式)。然后NTLDR将自己放入高内存以尽可能多地释放内存。
The problem is that this works when the CPU is in 32-bit VPAM (Virtual Protected Address Mode), which is what an i386 OS USES, but not when the CPU is in the so-called "Long Mode" that AMD introduced.
问题是这个工程时，CPU在32位vpam(虚拟保护地址方式)，这是一种什么i386操作系统使用，但不是当CPU是所谓的“长”模式，AMD推出。
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