Which kernel is best for AMD C60?

Colin Law clanlaw at googlemail.com
Sat Mar 31 15:26:52 UTC 2012

On 31 March 2012 10:00, Liam Proven <lproven at gmail.com> wrote:
> On 31 March 2012 07:57, Art Edwards
> <edwardsa at icantbelieveimdoingthis.com> wrote:
>> I have installed oneiric on an Acer Aspire 1 with amd dual core c60
>> processor. The kernel chosen automatically during install is a -pae
>> version. I thought that pae was "physical address extension"
> Correct.
>> that is
>> special hardware that allows a 32 bit processor to access a 64 bit
>> address space.
> Wrong.
> PAE allows a 32-bit kernel to access more than 4GB of RAM by paging
> small amounts of the RAM above 4GB into the memory area below 4GB. It
> does not use any 64-bit technology, features or anything. It is
> analagous to LIM-spec expanded RAM in MS-DOS.
>>  When I look on the web for information about the
>> processor, the spec's say it is a 64 bit processor. So, did the
>> installer choose the correct kernel?
> The installer cannot choose between kernels - unlike on Mac OS X,

I think that the 32 bit installer decides whether to use the pae or
non-pae (both 32 bit) kernel based on how much RAM there is.  It
cannot choose between 32 and 64 bit kernels however.


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