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32-Bit Windows 7 Shows 2.75GB Usable Ram out of 4GB - Drivers - Windows 7
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日期：2025-05-31
x86 can address exactly 4GB of memory not 3. The upper 512MB is uses for HW address mapping, its the location that the kernel use's to map HW memory space for DMA / communication. This isn't actually memory just address space, so even if you had 1GB ......看更多
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