Hi, we have a PowerEdge R510 and would like to add more RAM. Currently, there are x3 4GB sticks in slots A1-A3. We bought x2 8GB sticks and are attempting to install them in any of the B1-B4 slots, but they aren't being recognized. This server doesn't have a second CPU installed next to the B1-B4 memory bank, is that an issue? The memory mode is set to optimizer. What am I missing and why isn't the RAM recognized?
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