Re: 4GB Physical. Less than 3GB in Linux.

[Stefan Richter]

Jeff Chua wrote:
> On 4/16/07, Robert Hancock <hancockr@xxxxxxx> wrote:
>> Chipset limitation. It uses up most of the MMIO region above 3GB
>> preventing RAM from being mapped there, and doesn't support remapping
>> the covered RAM to above 4GB. Nothing the kernel can do about it.
> 
> Well, I guess I learned the hard way. So it's better not to buy 4GB
> ... it turns out to be the same as buying one with just 3GB RAM.

Except for minimal performance differences if the 3GB configuration
doesn't support dual-channel mode.  (Not worth the price difference to 4GB.)
-- 
Stefan Richter
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http://arcgraph.de/sr/
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