Problems with AMD64 and 8 GB RAM?

[Steve Kargl]

On Thu, Mar 31, 2005 at 07:54:39AM +0930, Greg 'groggy' Lehey wrote:
> None of these problems occur when I use 4 GB memory.  About the only
> strangeness, which seems to come from the BIOS, is that it recognizes
> only 3.5 GB.  If I put all DIMMS in, it recognizes the full 8 GB
> memory.
> 
> I realize that this isn't enough to diagnose the problem.  The reason
> for this message now is to ask:
> 
> 1.  Has anybody else seen this problem?
> 2.  Has anybody else used this hardware configuration and *not* seen
>     this problem?
> 3.  Where should I look next?
> 

Have you run sysutils/memtest86 with the 8 GB?  I had
4 bad out of 12 tested where the DIMMs were Crucial
PC2700 2GB Reg. ECC DIMMs.

-- 
Steve