>>>> 64-bit addressing means 16 EiB address space.
>>> the G5 only supports 8GB of memory.
>> Surely this is a limitation for physical RAM, yes?
> Yes, its just a design feature. The architecture is fully 64 bit.
...which, as I said, means 16 EiB address space, not 8 GiB. Address space is not limited to physical RAM.
> what are the memory limits for the X5000?
The QorIQ P5 supports up to 64 GiB RAM, but the limit imposed by the Cyrus board design may be lower. (IIRC, the limit on Nemo/X1000 is lower than what the PA6T can support.)
