Re: Problems with AMD64 and 8 GB RAM?
From: Greg 'groggy' Lehey (grog_at_FreeBSD.org)
Date: 03/31/05
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Date: Thu, 31 Mar 2005 08:47:53 +0930 To: Steve Kargl <sgk@troutmask.apl.washington.edu>
On Wednesday, 30 March 2005 at 14:57:15 -0800, Steve Kargl wrote:
> On Thu, Mar 31, 2005 at 08:14:45AM +0930, Greg 'groggy' Lehey wrote:
>> On Wednesday, 30 March 2005 at 14:35:46 -0800, Steve Kargl wrote:
>>> 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:
>>>>
>>>> 3. Where should I look next?
>>>
>>> Have you run sysutils/memtest86 with the 8 GB?
>>
>> Heh. Difficult when the system doesn't run.
>
> That's what happens when 1 of 8 (1 of 4?) DIMM is bad :-)
I've booted with the other 2 DIMMs now (I have 4 2 GB DIMMs, all the
MB will hold). No problems. See my last reply to Scott: I'm
wondering if the system is ignoring the PCI hole.
Greg
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