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SubjectRe: Problem with ata layer in 2.6.24
rgheck wrote:
> Alan Cox wrote:
>>> not one problem but lots---is sufficiently widespread that a Mini
>>> HOWTO, say, would be really welcome and, I'm guessing, widely used.
>>>
>>
>> We don't see very many libata problems at the distro level and they for
>> the most part boil down to
>>
>> - sata_nv with >4GB of RAM, knowing being worked on, no old IDE driver
>> anyway
>>
> Is this >4GB or >=4GB? I've seen contradictory reports, and I've got 4GB.
..

For all practical purposes, most memory over 3GB (or sometimes even 2GB)
on a 32-bit x86 system is treated as >4GB by the motherboard.

Because it's not the amount of *memory* that matters so much,
but rather the amount of *used address space*. Video cards,
PCI devices, other motherboard resources etc.. can all subtract
from the available address space, leaving much less than 4GB
for your RAM.

-ml



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