Date: Fri, 27 Jan 2006 14:24:09 -0600 From: Derek Ragona <derek@computinginnovations.com> To: Philip Juels <pjuels@rics.bwh.harvard.edu>, freebsd-questions@freebsd.org Subject: Re: RAM check - Followup question Message-ID: <6.0.0.22.2.20060127141902.02624d50@mail.computinginnovations.com> In-Reply-To: <43DA6384.201@rics.bwh.harvard.edu> References: <43D8EF99.6020309@rics.bwh.harvard.edu> <cce506b0601260805y134d57c1h46a16ec98ddb7915@mail.gmail.com> <43D96B68.5080907@rics.bwh.harvard.edu> <43DA475A.5050606@rics.bwh.harvard.edu> <6dd99a3f0601270851p249eb9d6lf3f6db991aeb9366@mail.gmail.com> <43DA5D8E.4020401@rics.bwh.harvard.edu> <43DA6384.201@rics.bwh.harvard.edu>
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This system is listed with the RAM manufacturer's and according to
Kingston's notes:
========================================================
Systems shipped with 800MHz FSB processors require DDR400 (KTD8300/xxx) parts.
Systems shipped with 533MHz FSB processors require DDR333 (KTD4550/xxx) parts.
MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel mode.
This system is configurable and may ship with a different amount of
standard memory.
========================================================
So you may have the wrong speed ram causing the errors in dual-channel
mode, or you may just have a bad module.
I don't know any ram that is NOT guaranteed for life, so if you have a bad
module contact the manufacturer and get it replaced.
-Derek
At 12:16 PM 1/27/2006, Philip Juels wrote:
>I switched the DIMMs from dual-channel to single-channel and so far (up to
>test 4) I get no errors. Go figure.
>
>Philip Juels wrote:
>
>>As of now, memtests 2,3, and 4 fail (waiting for the rest). The
>>following bits are listed as "Err-Bits" (00001000,00008000,00002000).
>>The chipset is Intel i848/i865. I may install the DIMMs into another
>>machine and memtest them there.
>>
>>Billy Tallis wrote:
>>
>>>It might be as simple as the bios settings. Which memtest tests gave errors?
>>>Assuming that you have not upgraded the ram or anything like that, it
>>>is probably the chipset. What type of chipset do you have?
>>>
>>>On 1/27/06, Philip Juels <pjuels@rics.bwh.harvard.edu> wrote:
>>>
>>>
>>>>Curious...the system is a Dell Optiplex GX270...RAM system is PC3200
>>>>2x512MB DIMMs in a the dual-channel arrangment. If I run memtest
>>>>against this setup, I get numerous errors. However, if run memtest with
>>>>only one DIMM installed (either one), I get no reported errors. Would
>>>>this still be an issue with the DIMMs or something wrong with the mobo?
>>>>
>>>>PJ
>>>>
>>>>PS...pardon me for asking a hardware question on a FreeBSD list :-)
>>>>
>>>>Philip Juels wrote:
>>>>
>>>>
>>>>
>>>>>Thanks...I downloaded the iso and memtest confirmed that the system
>>>>>has memory problems.
>>>>>
>>>>>PJ
>>>>>
>>>>>Noel Jones wrote:
>>>>>
>>>>>
>>>>>
>>>>>>On 1/26/06, Philip Juels <pjuels@rics.bwh.harvard.edu> wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>>I'm running into random seg faults during KDE and Gnome compilation,
>>>>>>>and
>>>>>>>I and others on the list suspect faulty RAM. Are there any utils out
>>>>>>>there that can test/diagnose RAM (aside from the laughable BIOS POST).
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>http://www.memtest86.com/
>>>>>>http://www.memtest.org/
>>>>>>
>>>>>>--
>>>>>>Noel Jones
>>>>>>_______________________________________________
>>>>>>freebsd-questions@freebsd.org mailing list
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>>>>>>"freebsd-questions-unsubscribe@freebsd.org"
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>_______________________________________________
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>>>>
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>>>
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>>
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