Re: Memory
Posted: 07-10-2003, 08:18 PM
--
Jeff Malka
malkajef@orthohelp.com
"Ron Martell" <ron@onlinehelp.bc.ca> wrote in message
news:tnangvodbh03ob1j1pinu5aj25940f0dbg@4ax.com...
> "Jeff Malka" <malkajef@orthohelp.com> wrote:I
>> >I have a new Pentium 4 system with pre-installed XP home and 512 MB ram.
normal.> >added an additional 512 MB (my motherboard can handle to 2 GB). When I
> >rebooted, XP would start, reach the desktop, shutdown and repeat
> >continuously. When I removed the extra memory, things went back to
> >There was nothing wrong with the memory and it was the correct memory. I>
> >returned the memory to the store (Micro Center) but have always wondered
> >what the cause might have been.
> Probably a mismatch between the two different RAM modules.
>
> RAM from different manufacturers, or even the same manufacturer but
> different production lots, can have differences in the internal layout
> and/or material composition of the RAM chips.
>
> These differences can affect the strength and the timing of the
> signals returned from the RAM and Windows is sensitive to these
> differences.
>
> The "acid test" for proving this problem is to try using the computer
> with just the new module by itself. If both modules work perfectly
> when installed by themselves but there are problems when both are
> installed then this is the problem. There is no cure, except to
> replace one or both modules so that all RAM modules are identical.
>
> Good luck
>
>
> Ron Martell Duncan B.C. Canada
> --
> Microsoft MVP
> On-Line Help Computer Service
> http://onlinehelp.bc.ca
>
> "The reason computer chips are so small is computers don't eat much."



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