Looping reboot in XP with 3G RAM Longer Version

  • Thread starter Thread starter a concerned member of the usenet community
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Re: Looping reboot in XP with 3G RAM Longer Version

a concerned member of the usenet community wrote:
> OK: I made a quick post the other night before turning in, hoping that
> someone knew some quick setting that needed checked or something. I
> may be able to mess with things again for a while later on today (pr
> maybe not) This would be the the longer version.
>
> Soyo KT880 Dragon2 v.2, XP2900+
>
> The board has 4 slots and supports 4G of memory
>
> Windows XP Home
>
> I took out 2 512 sticks from DimA 1 and DimB 1(as per the manual) and
> replaced them with 3 GSkill PC3200 1G sticks in DimA 1, DimA 2 and
> DimB 1. The BIOS sees all three and reports them in POST. Windows
> gets past the dual boot selection but during the Windows startup
> splash (*not* the welcome screen) the back-and-forth bar halts after
> only two passes and a blue screen flashes faster than I can read (I
> *think* it says IRQ not less or Equal but not following that with any
> specifics, but I'm not sure and don't want to continually reboot it
> for fear of corrupting something) and the machine reboots all the way
> back to POST.
>
> I took out all but one stick and tried each one on it's own and each
> are good to go. I put only two in (DimA 1 and DimB 1) and she runs
> fine. I then put the two 512 sticks in the other slots and it POSTs
> OK reporting 3G in 128bit mode, but XP failed as before.
>
>
> This machine is *not* set to automatically restart on errors, but it
> just flashes a blue screen too fast to read and reboots anyhow.
>
> I see nothing in the event viewer that is any different than any
> other day and *no* event log is created during the startup.
>
> <SIGH>
>
> Suggestions or things I'm not thinking of????



How about adjusting voltage? Googling, I found this exchange:


onedeej:

Also, looking at your manual, you may need to adjust your DDR Voltage,
are all four memory modules designed for the same voltages?

I understand your ram is the same speed and size, but they may be a
different revision, and may have changed voltages.

Try and slow the latency, if it is 2.5-3-3-7, then bump it to 3-4-4-8 -
this will slow the ram a bit, if you dont get the errors then you either
have one bum module, or you are overclocking the memory unintentionally,
if the SPD of one stick is lower than the others, then you will have
issues, the BIOS will assign SPD off of the module in DDR-0, and expects
the others to keep up, this is why I always put the slow RAM in the
first slot, you will not likely get errors from underclocking your
memory, or other components for that matter, hope that helps you!

02.25.2005 at 04:43AM PST, ID: 13402266


ketapillar:

Had to go 2.7V and had to underclock them to 333 mega hertz to get it to
work but it runs like a charm now. Thanks for all the help :)

02.25.2005 at 08:15PM PST, ID: 13408928


From "Soyo KT880 Memory Issues":
http://www.experts-exchange.com/Hardware/Misc/Q_21328440.html
 
Re: Looping reboot in XP with 3G RAM Longer Version


"Daave" <dcwashNOSPAM@myrealboxXYZ.invalid> wrote in message
news:Oh7CGO1oIHA.2208@TK2MSFTNGP04.phx.gbl...
>a concerned member of the usenet community wrote:
>> OK: I made a quick post the other night before turning in, hoping that
>> someone knew some quick setting that needed checked or something. I
>> may be able to mess with things again for a while later on today (pr
>> maybe not) This would be the the longer version.
>>
>> Soyo KT880 Dragon2 v.2, XP2900+
>>
>> The board has 4 slots and supports 4G of memory
>>
>> Windows XP Home
>>
>> I took out 2 512 sticks from DimA 1 and DimB 1(as per the manual) and
>> replaced them with 3 GSkill PC3200 1G sticks in DimA 1, DimA 2 and
>> DimB 1. The BIOS sees all three and reports them in POST. Windows
>> gets past the dual boot selection but during the Windows startup
>> splash (*not* the welcome screen) the back-and-forth bar halts after
>> only two passes and a blue screen flashes faster than I can read (I
>> *think* it says IRQ not less or Equal but not following that with any
>> specifics, but I'm not sure and don't want to continually reboot it
>> for fear of corrupting something) and the machine reboots all the way
>> back to POST.
>>
>> I took out all but one stick and tried each one on it's own and each
>> are good to go. I put only two in (DimA 1 and DimB 1) and she runs
>> fine. I then put the two 512 sticks in the other slots and it POSTs
>> OK reporting 3G in 128bit mode, but XP failed as before.
>>
>>
>> This machine is *not* set to automatically restart on errors, but it
>> just flashes a blue screen too fast to read and reboots anyhow.
>>
>> I see nothing in the event viewer that is any different than any
>> other day and *no* event log is created during the startup.
>>
>> <SIGH>
>>
>> Suggestions or things I'm not thinking of????

>
>
> How about adjusting voltage? Googling, I found this exchange:
>
>
> onedeej:
>
> Also, looking at your manual, you may need to adjust your DDR Voltage,
> are all four memory modules designed for the same voltages?
>
> I understand your ram is the same speed and size, but they may be a
> different revision, and may have changed voltages.
>
> Try and slow the latency, if it is 2.5-3-3-7, then bump it to 3-4-4-8 -
> this will slow the ram a bit, if you dont get the errors then you either
> have one bum module, or you are overclocking the memory unintentionally,
> if the SPD of one stick is lower than the others, then you will have
> issues, the BIOS will assign SPD off of the module in DDR-0, and expects
> the others to keep up, this is why I always put the slow RAM in the
> first slot, you will not likely get errors from underclocking your
> memory, or other components for that matter, hope that helps you!
>
> 02.25.2005 at 04:43AM PST, ID: 13402266
>
>
> ketapillar:
>
> Had to go 2.7V and had to underclock them to 333 mega hertz to get it to
> work but it runs like a charm now. Thanks for all the help :)
>
> 02.25.2005 at 08:15PM PST, ID: 13408928
>
>
> From "Soyo KT880 Memory Issues":
> http://www.experts-exchange.com/Hardware/Misc/Q_21328440.html
>
>


Thanks, Daave.

I'll have to take a look at the voltage thing tomorrow. Looking at the
manual earlier I saw that it mentioned some memory needing 2.7, but
dismissed it when the sticks said 2.6. Last time I was in BIOS (for about
the bazillionth time this weekend) I was gonna try it and forgot.

This was supposed to be a 10 minute job that has toasted most of my
weekend... and my brain in the process. I'll try to find time to get into it
a bit again after work tomorrow.


Thanks again.
 
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