Notes on Rack Gen 2 motherboards
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| If you purchased your Rack Gen2 BDR server before 9/4/24, it shipped with a SuperMicro X11 DPi-NT multi-socket server motherboard. |
Supermicro X13 Dpi-NT Memory expansion instructions
After September 4th, 2024, the Axcient x360Recover Rack Generation 2 BDR server ships with a SuperMicroX13 DP multi-socket server motherboard.
Modern motherboards that support multiple CPU sockets have complex and non-trivial requirements for installing RAM modules. Depending on the number of CPU cores and memory modules installed, completely different arrangements of memory modules in the various RAM sockets are required for optimum operating performance.
SuperMicroX13 DP multi-socket server motherboard
Here is a diagram of the motherboard layout.
Memory sockets have been highlighted in red.
The Axcient x360Recover Rack2-9000 ships with both CPU sockets populated.
It also ships with the 4x32GB DIMM modules installed, two in each CPU processor memory bank, located in sockets P1-DIMMA1 and P1-DIMMG1 for CPU #1 and P2-DIMMA1 and P2-DIMMG1 for CPU #2.
The Axcient x360Recover Rack2-18000 and Rack2-27000 models ship with both CPU sockets populated.
They also ship with the 8x32GB DIMM modules installed, four in each CPU processor memory bank, located in sockets P1-DIMMA1, P1-DIMMC1,P1-DIMME1, and P1-DIMMG1 for CPU #1 and P2-DIMMA1, P2-DIMMC1, P2-DIMME1, andP2-DIMMG1 for CPU #2.
Memory expansion
Determining which memory sockets need to be populated is dependent on
- the number of CPU sockets that are populated
- the total number of memory modules present in the system.
Below is a detailed chart depicting which sockets topopulate for all supported combinations of CPUs and memory modules:
Axcient memory upgrade kits include a pair of additional memory modules that may be used to upgrade the BDR, two memory sockets at a time.
The chart above highlights in red the original memory socket configuration with 4 DIMM modules, and the new memory socket configuration with 8 DIMM modules after deploying a memory upgrade kit.
Refer to the above chart for determining the correct memory module deployment for additional configuration cases.
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