From owner-freebsd-questions@FreeBSD.ORG  Tue Oct 11 14:33:56 2005
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Date: Tue, 11 Oct 2005 15:33:53 +0100 (GMT+01:00)
From: Vittorio <vdemart1@tin.it>
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Subject: Weird incompatibility of compaq evo 510 PCs
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At office I have an old compaq 450 (p3, 450MHz,128MB) working as a 
postgresql 8.03  server under freebsd 5.4.
Now having the chance of 
substituting it with a newer Compaq Evo 510 (p4,2,8 GHz, 512MB) to be 
on the safe side I tested this new pc trying to run freesbie 1.1 on it  
from a CD. Unfortunately after showing the usual line with  
root@casad'amico etc.. a cryptic message of fatal error popped up 
saying something like:

int=0000000d err=00000000 efl=00030246 
eip=00003034 eax=0000205d 
ebx=00000004

etc, etc.

Furthermore, 
identical  diagnostics popped up trying to boot FreeBSD from the 
primary hd of the old pc mounted on this new one.
Thinking that there 
was something  wrong with that specific box only I tried:
a) to boot 
freesbie on other compaq evo 510 in my office but all of them failed to 
boot with the same (or similar??) diagnostics;
b) the freesbie cd is ok 
having tested it on other boxes;
b) using a cd for the installation of 
M$ windows on the evo 510 it all works like a charm and everything is 
installed.

My questions are:
1) Is this a known incompatibility of the 
Compaq evo 510 PCs ( a search in the internet didn't shed any light on 
it!);
2) Is there any way to overcome the problem and how?

Ciao
Vittorio