[gentoo-user] A8V motherboard defective ?

[gentoo-user] A8V motherboard defective ?

[Joseph]

I have an A8V motherboard and I suspect the it is defective or just the
memory bus is defective, any input will be appreciated. 

The A8V has two DIMM memory banks (running Linux AMD64):
A1 A2   B1 B2
I have 2x 512 DIMM's (same modules Kensington KVR) on banks: A1 and B1 
Originally I suspected memory chip as it was giving me a headache from
the start, I could barely install Gentoo on it.  I run Memorytest86
couldn't find much; I run Red Hat memory test script, it hang up so it
indicated hardware problem. 
I replaced both memory sticks and I was able to install Gentoo but still
at
time to time compiling exit with an error indicating some hardware
problem when I'm trying to compile a larger piece of code. 
Today, I've tried to compile "qt" and it constantly keep giving me an
error, exiting with an error.  Rebooting PC didn't help.
I removed one memory stick (running only on one in B1) and it compiled
just fine and it keeps compiling, I swap memory sticks (replacing the
one in
B1 with the one I removed from A1) still running on one memory stick and
it keeps compiling just fine, no errors.  So it would indicate the
memory sticks are OK.  

Should I suspect the motherboard?

-- 
#Joseph
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[gentoo-user] Re: A8V motherboard defective ?

[Francesco Talamona]

On Tuesday 30 May 2006 02:01, Joseph wrote:
> I removed one memory stick (running only on one in B1) and it
> compiled just fine and it keeps compiling, I swap memory sticks
> (replacing the one in
> B1 with the one I removed from A1) still running on one memory stick
> and it keeps compiling just fine, no errors.  So it would indicate
> the memory sticks are OK.
>
> Should I suspect the motherboard?

I have the same MB, and I seem to remember it can run with A1+A2 or 
B1+B2 with a little performance loss.

If the power supply unit and temperature are ok (triple check PSU!), 
then it is likely the MB being defective if it is unable to bear two 
memory sticks that perform well when plugged one at the time.

Ciao
	Francesco
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Linux Version 2.6.16-gentoo-r8, Compiled #2 PREEMPT Mon May 29 20:21:56 
CEST 2006
One 1GHz AMD Athlon 64 Processor, 2GB RAM, 2007.31 Bogomips Total
aemaeth
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