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Why is all my extra RAM marked as "hardware reserved" in Windows 7?
Fresh5 days ago
Mar 15, 2026388641 viewsConfidence Score0%
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Problem
I have a new HP Z800 Workstation, running Windows 7 Enterprise 64 bit. Z800 Specs are here. The machine has 4GB of RAM -- windows reported 1.99GB available, 2GB was "hardware reserved". I added another 2 GB and windows reports that there is 6GB of physical RAM, but now 4GB is "hardware reserved". T…
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Fix for: Why is all my extra RAM marked as "hardware reserved" in Windows 7?
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Turns out that the installed RAM was in an unsupported config -- On this machine, if you install 2GB chips, they have to be installed in triple, as referenced here (pdf). Its interesting to note that Windows saw the memory, but it was rendered not u…
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