Re: my dual channel DDR 400 RAM won't work on any linux distro

[Brien]

> OK...  Do you get the same locations failing with one pair of DIMMs as
> with another identical pair of DIMMs, or is it just randomly flakey?

never seems to be the same
(maybe a few are, but they've never all been the same--I'd have to look
closely to match any addresses)

> Are you sure it's not the power supply?  If the voltages are only just
> within spec, you could concievably get the behavior you describe.

well, I have a 450 watt power supply that's rated for more than I'm
using--it very rarely even becomes warm after hours of use

the voltages go much higher than they need to; I've also tried adjusting
them and had the same problem

> I wouldn't even bothing trying to run anything on a machine until it
> runs Memtest86 for a couple of hours successfully.

I can with single modules, but not with 2..

I don't know what to do...

thanks for all of the comments/suggestions

----- Original Message -----
From: "John Bradford" <[e-mail]>
To: "Brien" <[e-mail]>
Cc: "John Bradford" <[e-mail]>; <[e-mail]>
Sent: Wednesday, April 16, 2003 3:28 PM
Subject: Re: my dual channel DDR 400 RAM won't work on any linux distro

> > I've now tried running the following configurations
>
> [snip]
>
> > and all of them have the same problem: black screen after kernel loads
> > they all do seem to test with errors when ran with another module, but
they
> > also DO NOT test as errors when they're alone
>
> OK...  Do you get the same locations failing with one pair of DIMMs as
> with another identical pair of DIMMs, or is it just randomly flakey?
>
> > I'm starting to think it's a problem with my motherboard rather than
with
> > the RAM, because I've tried so many different ways and with different
RAM
> > modules.. but I don't know for sure..
>
> Are you sure it's not the power supply?  If the voltages are only just
> within spec, you could concievably get the behavior you describe.
>
> > basically every time I try to run any linux distribution, even if I
> > type (mem=XXXM), it just doesn't work...
>
> I wouldn't even bothing trying to run anything on a machine until it
> runs Memtest86 for a couple of hours successfully.
>
> John.
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