Hey everyone! I'm new in the whole cryptocurrency thing, started this week in the whole "mining" stuff (ethereum). I recycled some old parts (mobo, cpu, ram, ssd) and bought 2 Sapphire RX470 4Gb Reference (and a EVGA 700B psu)... From the box both 470's started mining at 22.5 Mh/s (Claymore 4.7, only eth), one has hynix memory and the other has elpida. I followed the normal procedure to "strap" the timings (copying 1500 timing) and now the hynix 470 is mining at 27.5 Mh/s (not bad IMO) and the elpida is stuck at 24.5 Mh, not bad either (after moderate OC with Trixx: 1100 GPU, 1925 mem, 63ºC and 73% fan speed).
My question: Do you think it is worth the risk to mod the elpida 470? I'm not so sure about the whole "hex and checksum" process and I've read about a lot of people crying over their dead gpu's... what should I do?
Actually the elpida memory performs better than the Heriox one, i have a few sapphire nitro+ 4gb elpida running at >29Mhash
Here is the ROM:
https://bitcointalk.org/index.php?topic=1710085.0DO
NOT FLASH IT, it will not work for reference cards, but i think that u can take timings from there
Thanks man! A week ago I found the exact bios for my Sapphire RX 470 4gb ref (Elpida). I got 27.8mh/s after flashing it (with moderate OC)... I've been running it at 26.7-27mh/s to keep the temp low and everything under control (no BSOD, no crashes, no problems). Yesterday I got a BSOD but after playing too much with OC timings (Trixx).
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