Windows 8 New Feature Leaked: "Dynamic Memory"
Till now, Microsoft doesn't verify that Build6.1.7700.0.100122-1900 is the beginning of Windows 8 or Windows 8 Server, or the ending of Windows 7 SP1 or Windows Server 2008 SP1. The only sure thing is Windows7 Build6.1.7700.0.100122-1900 is the developing product by Microsoft.
As we know, the version of Windows 7 and Windows Server 2008 R2 RTM is build6.1.7600.16385. Not long ago, a Russian website Wzor offers the information and screenshots of build6.1.7600.16385, however, it can't be found at any other third party websites.
It is believed that Microsoft will add a new feature "Dynamic Memory" into Windows Server 2008 R2 Build6.1.7700.0.100122-1900, allowing users can figure out the RAM in virual operating system, and maximum the sytem RAM for platform.
Dynamic Memory is mainly for Hyper-V by Microsoft, however, we don't know if Microsoft add this feature into Windows 7 SP1 or Windows 8.