New MB recommendations

[Bill Campbell]

On Mon, Feb 26, 2007, Tony Alfrey wrote:
>Net Llama! wrote:
>> On Mon, 26 Feb 2007, Tony Alfrey wrote:
>>> I think it's time to get a faster box 'cause I have some linux CAD apps
>>> that want more speed.  Towers are clearly cheaper than laptops.  I have
>>> SCSI drives on my present Pentium II box.  Does it make sense to try to
>>> get a fancy new fast MB, and attempt to plug in these drives or is this
>>> silly?
>> 
>> Are you sure that your CAD apps are hitting a bottleneck in the CPU/disk 
>> rather than the GPU?
>
...
>> Note, that is the SCSI drives are bootable, you'll need the same 
>> controller, or a kernel with support for the new controller.
>> 
>
>I would try to keep the same controller.
>I would try to simply swap out the MB and fire it up.  Will my older 
>kernels work on a P4, for example?

You're asking for problems trying that, the type of problems that are often
subtle and hard to find/figure out.  For example, I've found problems with
programs compiled on Intel chips segfaulting when run on AMD Athlons
probably because gcc optimized based on the processor type.

I'm dealing with this now with RPMs installed on a machine with an AMD
Athlon XP 2500+ where the RPMs were built on one with an Intel Celeron CPU
2.66GHz.  The GNU MP package is one that I know has caused problems with
the clamav program.

Bill
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