Posted October 18, 201311 yr Hi, I want to do crossfire with one that I have, I need powercolor in any of the two versions. Shipping to Spain. Thanks
October 18, 201311 yr Author You can CF 4870 of any brands. Hi TerraRaptor, I have this: http://hwbot.org/submission/2428963_zupernico_3dmark_vantage___performance_radeon_hd_4870_14928_marks I have tried other brands and models, but it´s up separately, but not much in CF http://hwbot.org/submission/2435988_zupernico_3dmark_vantage___performance_2x_radeon_hd_4870_23993_marks Bluescreen 116 One of my 4870 was broken then I want to try the same model and brand. Thanks
October 18, 201311 yr Strange issue. Are you using clean install for CF setups? I had no issues when CF 4850, 4870, 4870x2+4870x2 4870x2+4870 all different brands. Are you sure that you have no issues with PSU and bridges? Why you use PCI-E x8 for CF setup in your second screen?
October 18, 201311 yr Author Strange issue. Are you using clean install for CF setups? I had no issues when CF 4850, 4870, 4870x2+4870x2 4870x2+4870 all different brands. Are you sure that you have no issues with PSU and bridges? Why you use PCI-E x8 for CF setup in your second screen? My psu is 1600w Lepa. Bridges i use one and two and no change. Sometimes, depends of the GPU, inexplicably, my first pci-e gives low results (RIVE), then sometimes I try second and third pci-e, they gives me better punctuation.
October 18, 201311 yr That is most probably overheating issue in CF (pay attention to vrm temps, not to core temps). Most 4870s were reference cards and were different only with bios. Try flashing the cards you have with the same bios and give it a try once again.
October 18, 201311 yr Author That is most probably overheating issue in CF (pay attention to vrm temps, not to core temps). Most 4870s were reference cards and were different only with bios. Try flashing the cards you have with the same bios and give it a try once again. Well, now I have only one, the other died. The two had the same bios with unlocked core to 990. Thanks for all TerraRaptor, I will seek another 4870 and I will try again, but look that, are very different http://www.ixbt.com/video3/images/rv770-4/powercolor-4870-scan-front.jpg http://img218.imageshack.us/img218/8306/powercolorradeonhd4870s.jpg But i will try again. Thanks
October 19, 201311 yr Author Most 4870/90 had VRM's in the high 170*C. Try a long bridge? Yes, I put a long bridge, I will try better cooling
