veehexx Posted December 11, 2005 Share Posted December 11, 2005 been having some issues with a new rig i`ve recently purchased. this TWINX1024-4400C25PT i`ve had for about a year now, been in MSI neo2, DFI SLI-DR, SN25P shuttle and now an Asus A8N-SLI premium with latest 1009 official bios, which is where i`m having problems. running sub 270fsb on ram gives me a stable rig. if i try for the stock speed of 275mhz, with stock timings and 2.75v i get a pretty instable rig. running memtest v3.2 it will produce 70 test5 errors running the following ram setup: RAM mhz: 275 (DDR550) cas: 2.5 RAS: 8 RCD: 4 RP: 4 TRC: 12 TRFC: 14 TRWT: 4 TWR: 3 command rate: 1T CPU running 275x8 stock volts - 2.2ghz which is stock speed for this 3700+. like i say, ram will pass fine on the same timings running the next divider down at 220mhz. i think instead of crying WOLF i wanna check on the timings first as this is the 1st time the ram has given me any sort of issue at all. thanks for any help guys :) Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted December 12, 2005 Corsair Employee Share Posted December 12, 2005 That sounds more like youe CPU is just topping out. Have you tried the modules one at a time? Link to comment Share on other sites More sharing options...
veehexx Posted December 12, 2005 Author Share Posted December 12, 2005 yeah, i`ll try the sticks in their singles. thing is, i`m now running 300htt on stock timings, 2t and it's running fine. 1:1 ratio too. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted December 12, 2005 Corsair Employee Share Posted December 12, 2005 Yes I have seen a few that could not run these new core CPU's 1t Command Rate. And that would suggest the problem is not with the memory. Link to comment Share on other sites More sharing options...
veehexx Posted December 12, 2005 Author Share Posted December 12, 2005 righty, all are run on the same 1:1, stock timing CPU:RAM setup.. ds = dual stick, ss = single stick DS 270htt, 1T - stable (8x multi) DS 275htt, 1T - unstable. 2T stable (8x multi) SS 275htt, 1t - stable using both sticks (8x multi) DS 300htt, 2t - stable (8x multi) obviously the 300x8 is the highest CPU clock, and it's running 100% stable in that condition, so i cant see it being the cpu unless it's an issue with the mem controller. another thing i did was to swap DIMM slots i was using. from dimm1+3 to dimm2+4. same issue running 275 on 1t. where does one stand on CPU RMA, running the same 2.2ghz as the chip comes from factory, but a higher htt speed? thanks for the quick replys too :) edit: using CPUz for the info, it's the A64 3700+ san diego 2.2ghz chip (which i already knew...s'why i bought it) revision SH-E4. purchased around 3months ago and iirc around week 20, 2005. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted December 13, 2005 Corsair Employee Share Posted December 13, 2005 You would need to talk to AMD, but it sounds like this is not a warranty issue, just the top end of your CPU. I mean after all they are rated at 200 Mhz! Link to comment Share on other sites More sharing options...
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