shar00750 Posted April 30, 2016 Share Posted April 30, 2016 Hi , i have this card for bench but i need volt mod , the max volt i get is 1.158v . tried to edit with rbe but it stay the same. the max i can get was 725mhz on air. tried on dice and it was the same - 725mhz. I have seen very high results with this card, but I could not find specific information about it. this is the card : https://lh3.googleusercontent.com/-AJSMkdjABxM/VyRuw-B-zbI/AAAAAAAAEXc/HRY59rdobQQ2v7S6olgdtoBcSNsqKOd-gCCo/s800/4850.jpg Quote Link to comment Share on other sites More sharing options...
basco Posted April 30, 2016 Share Posted April 30, 2016 did you try gamerhud from gigabyte: http://www.gigabyte.at/MicroSite/40/tech_20080718_gamerhud.htm and i looked up but could not find info on volt chip? can you tell us? Quote Link to comment Share on other sites More sharing options...
shar00750 Posted April 30, 2016 Author Share Posted April 30, 2016 Thank you very much, I'll try. this is the mod i have sew : http://hwbot.org/submission/2336649_macsbeach98_3dmark_vantage___performance_radeon_hd_4850_gddr3_12620_marks Quote Link to comment Share on other sites More sharing options...
basco Posted May 1, 2016 Share Posted May 1, 2016 (edited) http://www.xtremesystems.org/forums/attachment.php?attachmentid=94555&d=1234296145 only pic i found but if you can tell what is your volt chip others could help better then me. i think its ncp5388 ?? maybe Edited May 1, 2016 by basco Quote Link to comment Share on other sites More sharing options...
shar00750 Posted May 2, 2016 Author Share Posted May 2, 2016 it's look like ncp5392 , i am not sure . This is the card a little hard to see what is written. Frequencies are locked to 750/1200, I also want to unlock them. i tried with rbe Without success. Quote Link to comment Share on other sites More sharing options...
shar00750 Posted May 7, 2016 Author Share Posted May 7, 2016 I made the pencil mod and could reach 780mhz but it's not enough , i want more with more voltage. Quote Link to comment Share on other sites More sharing options...
TASOS Posted May 7, 2016 Share Posted May 7, 2016 (edited) Gigabyte was using a custom pcb for both their models GV-R485ZL-512H and GV-R485OC-1GH. And , yes , the IC is NCP5392. Look for the ic pdf , to get help about the vmod. Also measure the resistance of the spot , you are doing the pencil mod. edit You are doing the pencil mod here ??? Edited May 7, 2016 by TASOS Quote Link to comment Share on other sites More sharing options...
shar00750 Posted May 7, 2016 Author Share Posted May 7, 2016 yes, it's the pencil mod. Quote Link to comment Share on other sites More sharing options...
nachtfalke Posted May 8, 2016 Share Posted May 8, 2016 you need configure VID mod to go hight on core voltages , it´s only way to pass over voltage protection (OVP) witch will trigger above 1.3-1.35vgpu with NCP´s buck controllers! Quote Link to comment Share on other sites More sharing options...
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