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From: RobV on 27 Jan 2008 17:26
RobV wrote:
> car crash wrote:
>> I have a Asus P5B-VM mainboard. 2 days ago it started freezing up
>> right on startup and nothing would work. A friend came over and
>> after 3 hours of work realized there might be a RAM issue. I have 2
>> 1 gig dimms of Rendition RAM and 2 512 megs of Patriot Value RAM. He
>> thought that the different Rams were messing everything up. He took
>> out one of the rams and it started working again. Right now I'm
>> using the 2 1 gig dimms of ram for a total of 2 gigs of ram and it
>> seems ok now.
>>
>> My question is, does anyone know why 2 different RAms will mess a
>> computer up ? Can Ram be mixed and matched ? Which is better ram
>> the Rendtion Ram or the Patriot Value RAm ? Can the Asus mainboard
>> take both types of ram ?
>>
>> Thanks all.
>
> First, the MB uses dual channel technology, which gives more bandwidth
> when using a matched pair of memory. Mixing brands of RAM is not
> something that contributes to stability and usually causes problems as
> you are discovering.
>
> Do both pairs have the same memory specs, SPD settings (timings),
> voltage needed for stable operation? Probably not.
>
> Use the two 1 GB sticks of RAM, as the system will then be stable
> (don't forget to set timings and voltage according to spec for that
> memory). Whatever you're doing with the system, you would (-
> PROBABLY - [added for absolute inclusion of any possible application,
> as per "Sudsy". Thanks for pointing that out, S]) have a hard
> time using even close to 2 GB anyway.


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