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Frustrated with ram, suggestions?

post #1 of 7
Thread Starter 
I've been through 3 pairs (corsair, ocz, mushkin) of 2x1GB memory sticks trying to get them to work at 400ddr--to no avail. Actually to corsair's credit, they ran semi-stable at 400ddr.

My system is an Abit AV8 mobo and athlon 64 3000. I've gotten the latest bios and via drivers.

Can anyone suggest dimms that work? Has anyone gotten 4x512 to work, or 2x1GB to work at 400ddr? I have 2x1GB running now at 333ddr and I've benchmarked it to be rather slow compared to my old setup of 2x512. I read that newer memory is better.

Is this problem unique to AMD?

thanks all
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post #2 of 7
Ive never heard of a problme like this. Are you trying to OC? The VIA chipset doesnt have locked AGP PCI bus so you wont be able to OC much. Please fill out your system specs in the User CP
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post #3 of 7
It has a K8T800 Pro chipset, which is locked.

Place the ram in Dimm1 and Dimm2 (closest pair to CPU), this will enable dual channel, and according to the manual, should allow DDR400 speeds.
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post #4 of 7
Quote:
Originally Posted by Roguecloud
I've been through 3 pairs (corsair, ocz, mushkin) of 2x1GB memory sticks trying to get them to work at 400ddr--to no avail. Actually to corsair's credit, they ran semi-stable at 400ddr.

My system is an Abit AV8 mobo and athlon 64 3000. I've gotten the latest bios and via drivers.

Can anyone suggest dimms that work? Has anyone gotten 4x512 to work, or 2x1GB to work at 400ddr? I have 2x1GB running now at 333ddr and I've benchmarked it to be rather slow compared to my old setup of 2x512. I read that newer memory is better.

Is this problem unique to AMD?

thanks all
Hi Rouguecloud,

Here's a link to crucial.
http://www.crucial.com/store/listpar...l=AV8&tabid=PM

I've used and had great success with their performance brand "Ballistix" I've run as high as 222FSB with mine AND tight timings of 2,2,2,6. Anandtech has just run another series in DDR RAM tests and crucial was near the top in all categories.

I hope this helped, :-)
post #5 of 7
Thread Starter 
Quote:
Originally Posted by 455buick
Hi Rouguecloud,

Here's a link to crucial.
http://www.crucial.com/store/listpar...l=AV8&tabid=PM

I've used and had great success with their performance brand "Ballistix" I've run as high as 222FSB with mine AND tight timings of 2,2,2,6. Anandtech has just run another series in DDR RAM tests and crucial was near the top in all categories.

I hope this helped, :-)

Thanks, I took a look at the memory in conjunction with the new anandtech roundup on 1gig modules. It seems that some I gig ram that is 6months or older doesnt like to run at full speed, 1T and 400, so I'm going to go with one of the reviewed rams from anandtech.

edit: http://anandtech.com/memory/showdoc.aspx?i=2676&p=4
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post #6 of 7
Did you at least try my suggestion before plunging into new ram?
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post #7 of 7
Thread Starter 
Quote:
Originally Posted by Xavier1421
Did you at least try my suggestion before plunging into new ram?

yeah, I knew much about this beforehand as I've been running boards with dual channel for a while. The problem, i've researched, comes down to two things:

1-running 4 dimms of 512 will niether allow 1T command rate nor will it allow 400ddr

2-running 2 1gig dimms dual channel will not allow 1T or 400ddr at anywhere near stable on my board with the older and cheaper ram *the newer ram I linked above appears to have no problems running fast--check out the article and see that they address the issue Im talking about.

I appreciate the replies though, great helpful site


Edit: here some info from what I linked for your reading pleasure
Quote:
Originally Posted by From Anandtech.com
Part 1 of the 2GB DDR Kit Roundup took a close look at 3 memories based on Infineon memory chips. Since that review in October, a number of 2GB DDR kits have appeared in the market with most based on Infineon C or B die memory chips. There are, however, a few brands that have taken a different approach to memory chips for 1GB DIMMs, and we have included those in this roundup, along with the latest Infineon-based memories.

1GB DDR DIMMs began appearing in the market over a year ago, but it wasn't until mid-2005 that 1GB DIMMs with reasonably fast timings became widely available. These faster 1GB DIMMs finally made the choice of 2GB memory kits to be a reasonable choice in a market that had been dominated by fast DDR 512MB DIMMs.

There are many reasons to choose a 2GB kit over a 1GB kit or 4 512MB DIMMs. Two 1GB DIMMs on the AMD Athlon 64 can still run at 1T Command rate, instead of the 2T required by the 4x512MB DIMMs needed for 2GB with 512MB DIMMs - a definite advantage for the 1GB DIMMs. On the other hand, until recently, the available 1GB DIMMs were generally much slower than the fast 2-2-2 DIMMs that were commonly available in 512MB DIMMs. We normally saw 3-3-3 or 3-4-4 or slower timings for 1GB DIMMs. These poorer timings for 1GB DIMMs took away most of the advantage for the 1GB 1T Command Rate.

There was an additional "gotcha" with the 1GB DIMMs that many enthusiasts quickly discovered. With a starting point of 3-3-3 or 3-4-4 at DDR400, the 1GB parts did not overclock nearly as far as the 512MB parts. For all of these reasons, we generally recommended that most users were better off with 512MB DIMMs - at least until memory timings improved on the 1GB DIMMs.
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