In article 12768.4492654682$1236586039@news.gmane.org, Sorin Srbu centos@centos.org wrote:
If the motherboard supports dual-channel configs, one might want to take care how one distributes the different mem-sticks in the banks. Eg the 2GB-sticks in bank 1 and 3 and the 4GB-sticks in banks 2 and 4.
Well, yeah, of course. But even if I got that wrong, the 4GB alone did not work in the same slots the 2GB sticks were in.
On 09.03.2009 11:09, Rick wrote:
Well, yeah, of course. But even if I got that wrong, the 4GB alone did not work in the same slots the 2GB sticks were in.
So, either the memory sticks are bad (one or two of them), or the memory have bad timing in some way making them not compatible with the mobo.
-----Original Message----- From: centos-bounces@centos.org [mailto:centos-bounces@centos.org] On Behalf Of Morten Torstensen Sent: Monday, March 09, 2009 12:14 PM To: CentOS mailing list Subject: Re: [CentOS] Memory vs. Display Card
Well, yeah, of course. But even if I got that wrong, the 4GB alone did not work in the same slots the 2GB sticks were in.
So, either the memory sticks are bad (one or two of them), or the memory have bad timing in some way making them not compatible with the mobo.
That reminds me; some mobos have a default fail-safe settings option with timings and stuff using very conservative numbers. If you haven't already tried that, you might want to give that one a go as well.
NB! This default setting is usually not optimal ("turbo"), but rather settles for stability. A working baseline kinda' thing, if you know what I mean.
If this doesn't work either, you're mem-sticks are as most here have pointed out, bad in some way.
On Mon, 2009-03-09 at 12:14 +0100, Morten Torstensen wrote:
On 09.03.2009 11:09, Rick wrote:
Well, yeah, of course. But even if I got that wrong, the 4GB alone did not work in the same slots the 2GB sticks were in.
So, either the memory sticks are bad (one or two of them), or the memory have bad timing in some way making them not compatible with the mobo.
I have to jump in here. A few months back, I tried replace some memory sticks with much larger ones. No go. But the specs said they should be compatible. After puttzing around with all sorts of things, I decided the only thing left was the voltage settings for the sticks. More memory has a greater draw. Not wanting to void the warranty, I didn't dink with it on my own. I carried the unit to my local dealer and said you do it if you think it is safe.
Bumped the voltage a couple tenths and all worked. The reason is obvious. Why the "auto" setting didn't work, I can't say. Have been running successfully for many months now.
So, if you've got the leeway, try manually bumping the voltage for the unit a couple of tenths. Risk is low, but it is there.
HTH
William L. Maltby wrote:
So, if you've got the leeway, try manually bumping the voltage for the unit a couple of tenths. Risk is low, but it is there.
The OP said earlier he has an Intel D975XBX motherboard. Intel boards are very conservatively engineered, and don't have tweaks for overclocking, out of spec memory voltages, or any of the rest of that. They just work, if the parts meet their spec. If the parts don't meet the spec, then all bets are off.
-----Original Message----- From: centos-bounces@centos.org [mailto:centos-bounces@centos.org] On
Behalf
Of Rick Sent: Monday, March 09, 2009 11:10 AM To: centos@centos.org Subject: Re: [CentOS] Memory vs. Display Card
If the motherboard supports dual-channel configs, one might want to take
care
how one distributes the different mem-sticks in the banks. Eg the
2GB-sticks
in bank 1 and 3 and the 4GB-sticks in banks 2 and 4.
Well, yeah, of course. But even if I got that wrong, the 4GB alone did not work in the same slots the 2GB sticks were in.
Well, in that case you may be SOL. 8-/
Rick wrote:
In article 12768.4492654682$1236586039@news.gmane.org, Sorin Srbu centos@centos.org wrote:
If the motherboard supports dual-channel configs, one might want to take care how one distributes the different mem-sticks in the banks. Eg the 2GB-sticks in bank 1 and 3 and the 4GB-sticks in banks 2 and 4.
Well, yeah, of course. But even if I got that wrong, the 4GB alone did not work in the same slots the 2GB sticks were in.
What was the result of running memtest86 from the CentOS install DVD (or any of various other sources)?
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John R Pierce -
Morten Torstensen -
Rick -
Robert Nichols -
Sorin Srbu -
William L. Maltby