Can an xp 32-bit system support 4G memory?

In theory, XP/32 is capable of 4G memory, but it is actually unable to use full 4G memory. According to Microsoft's official statement, XP/vista 32bit allocates some of its memory as the memory address reserved by the device after installing 4G memory. Therefore, only the memory capacity ranging from 3G to 3.5G can be seen in the system attribute. The remaining part is not used but is seized by the system, and the user cannot directly use it. And 32bit XP/Vista also does not allow a single program to occupy more than 3G of memory, which is a feature of the system kernel.
If you want to support 4G memory, the easiest way is to change the operating system. XP 64 bit, WIN 7 64 bit or WIN 2003 (WIN 2003 is the server operating system) can support 4G memory or better. Large memory. Although there are many patches on the Internet that can crack the XP 32-bit memory limit, it can display more than 4G of memory. However, after the actual measurement, most models are cracked, just a number game, that is, it can only be displayed, can not actually call