Gigelz Posted August 27, 2017 Share Posted August 27, 2017 (edited) hey everyone yesterday i benched my gtx 260 with dice. the card is fully modded with ocp, vddq+vdd hard mod and vgpu via software. i have a big issue with the gpu temperature readout, after delid it. it switches between 0 and 168 centigrade every second. this causes a frequency drop to 400/800/300. the card is a very good one. before delid, it does 1420 memory benchstable. can i manipulate the gpu temperature sensor readout or just disable it via bios/hardmod ? my friend had the same issue with a non delidded gtx 280. but the gtx 280 readout is about 4,9 million centigrade. the reaction is the same, frquency drop... regards nico Edited August 27, 2017 by Gigelz Quote Link to comment Share on other sites More sharing options...
Calathea Posted August 28, 2017 Share Posted August 28, 2017 If I remember correctly you can desolder the 8-pin SMD chip that handles temperature control. (Or just cut the VDD pin) It was a long time ago now but I remember a friend did that on his GTX 280 to avoid cold slow on LN2. Might help you in this case too. Quote Link to comment Share on other sites More sharing options...
Gigelz Posted August 28, 2017 Author Share Posted August 28, 2017 Sounds great :) can you show me which chip it is ? Quote Link to comment Share on other sites More sharing options...
FireKillerGR Posted August 28, 2017 Share Posted August 28, 2017 maybe this one? Screenshot by Lightshot Quote Link to comment Share on other sites More sharing options...
Gigelz Posted August 28, 2017 Author Share Posted August 28, 2017 This chip is a 16 pin one. When i get home, i will check the datasheet Quote Link to comment Share on other sites More sharing options...
FireKillerGR Posted August 28, 2017 Share Posted August 28, 2017 This chip is a 16 pin one. When i get home, i will check the datasheet thought it could be this one as I read that it has a thermal monitor. I cant see/read the others based on TPU pcb photo Quote Link to comment Share on other sites More sharing options...
Calathea Posted August 28, 2017 Share Posted August 28, 2017 Ah yes Firekiller is correct, it's 16 pin one not 8. This is the actual chip my friend cut off his card. https://www.onsemi.com/pub/Collateral/ADT7473-D.PDF "Remote thermal monitor and fan control". Quote Link to comment Share on other sites More sharing options...
Gigelz Posted August 28, 2017 Author Share Posted August 28, 2017 Great, thanks my friends ! so desolder pin 3 vdd and the chip is out of function ? Quote Link to comment Share on other sites More sharing options...
FireKillerGR Posted August 28, 2017 Share Posted August 28, 2017 Great, thanks my friends ! so desolder pin 3 vdd and the chip is out of function ? yes. pin 3 should be its power and by cutting/desoldering you keep it off Quote Link to comment Share on other sites More sharing options...
Calathea Posted August 28, 2017 Share Posted August 28, 2017 Yeah, take care not to break it off if you wanna use it again. The card works without temp monitoring and fan control when you disable it so not the best for every day use. On the other hand noone uses this old card like that anymore... Quote Link to comment Share on other sites More sharing options...
Gigelz Posted August 28, 2017 Author Share Posted August 28, 2017 I will try it this week under cascade. My plan is to solder a small jumper bridge to the points so i can turn it on and off Quote Link to comment Share on other sites More sharing options...
Calathea Posted August 29, 2017 Share Posted August 29, 2017 Cool let us know if it works. Quote Link to comment Share on other sites More sharing options...
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