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Jan Engelhardt wrote: >> Essentially I don't think there is much you can do about this on this board. >> The memory space starting at around 3.2GB is being used by the memory-mapped IO >> regions for the PCI and PCI Express devices and motherboard resources and >> therefore "covers up" the RAM in that part of the address space. The solution >> to this is for the system to remap the affected memory above the 4GB mark, >> which is possible with Athlon 64/Opteron CPUs and on some of the Intel server >> chipsets. However, I don't think any Intel desktop chipsets support this for >> some unfathomable reason. > > Maybe PAE can help? No.. it's not a matter of being unable to reach the address space, but the memory used by the IO regions is essentially overridden and unavailable to the kernel. PAE is not applicable on x86-64 anyway.. -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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