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Support additional memory on 4-core server models. 128GB or even 256GB.
Over time POWER processors have gained capability. From 4,200 CPW on a POWER6 to over 20,000 CPW on today's Power10.
When POWER7 was introduced the CPU went from 4,200 CPW per core to 6,000 per core AND supported memory on low end servers went from 16GB to 64GB (8203-E4A to 8202-E4B)
However since then while CPW per core has jumped from that 6,000 or so number to over 20,000 CPW on Power10 servers, maximum memory on the P05 class (4-core) machines has remained stuck at 64GB. 4X the CPU capability boxed in by 0X increase in RAM since POWER7.
In addition, with the Power10 servers the hypervisor memory requirement has TRIPLED from a bit over 3GB to nearly 10GB!! Thus of that 64GB IBM is holding back nearly 20% for internal use!! It gets worse if you choose to run VIOS for virtualization because now you're going to lose a minimum of 8GB additional memory to support the twin VIO servers!
IBM Needs to allow for 128GB of memory on P05 class 4-core machines, 256GB would be even better!
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