[ale] Cannot install Linux on new PC

[hne at hopnet.net (Keith Hopkins)]

Keith Hopkins wrote:
> Dow Hurst wrote:
> 
>> Greg,
>> Just got an idea.  You may need to specify at the LILO prompt for the 
>> installer the pentium=nomem option since you have an Athlon CPU.  You 
>> might have timing problems as well running at rated CPU speeds.  Try 
>> clocking down some before giving up.
> 
> 
> Hey Dow,
> 
>   The pentium=nomem is a fix for cache coherency problems between the 
> cpu and the agp port.  It occurs when the cpu arch (athlons & some 
> models of piii/4) and agp card tries to access the same memory location, 
> and cpu has different data in it's internal cache.  Life gets confusing 
> and everybody starts hanging.    pentium=nomem reverts back to the 
> previously used/small cache page size, to which a "workaround" to the 
> problem exists.  Ok, maybe that wasn't a very technical 
> description...and if you want that, it is/was well documented on the AMD 
> web site and in the kernel archives.  The problem plagues winbloze 2k 
> too during development, but they have a patch for it.
> 

Yeah, what you said, mem=nopentium.  :-P

-- 
Lost in Tokyo,
   Keith



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