[求助] 4G内存为什么显示2.99?

因为xp是32位的 只支持3G的内存

Windows 2000 Advance Server SP4
8-32 GB

Windows Server 2003 Enterprise R2
32-64GB

Windows XP x64 Edition
32GB

Windows Server 2003 x64 Edition
64-512GB

Windows Vista x64 Edition\
8-128 GB