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Galax GTX 970 Volt mod

ShmoeMo
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Hey guys

I have a galax gtx 970 but the problem is the voltage is hardware locked and i want to push my clock further that 1522Mhz in order to beat personal records on 3d mark. its a non reference PCB and it has the Richtek RT8802A for the voltage controller. I found a comment on the kingpin forums (http://forum.kingpincooling.com/showthread.php?t=956&page=38) about doing it, i tried what was reccomended and it did not work (voltage did not move at all and neither did the temps). It just made my card coil whine like a bitch if i adjusted it to far one way, so i end up using the mod to help stop my card whining by adjusting it the other way. I have a feeling i may have to put a POT on the Feedback return pin of the controller to adjust it. Any advice would be greatly appreciated.

galax970exoc-7b.jpg

IMG_20181202_222135.jpg

CPU: i7 6700 @ 4.25Ghz on 1.26 volts

RAM: HyperX 8GB @ 2666Mhz (doesnt like to be oc'd)

MOBO: MSI Z270 Gaming M3

GPU: Galax GTX 970 @ 1500Mhz  (with modified black EXOC bios)

Power Supply: Cougar CX700

SSD: Samsung 750 EVO 120GB

HDD: Segate Barrcuda 1TB

Case: Cougar Panzer Max

 

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I think you can mod the BIOS for voltage control instead? At least I know you can undervolt this way, so overvolting should be possible.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: 1TB HP EX920 PCIe x4 M.2 SSD + 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172), 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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Just now, Jurrunio said:

I think you can mod the BIOS for voltage control instead? At least I know you can undervolt this way, so overvolting should be possible.

Yeah already tried bios mods unfortunately doesnt work. I was sucesfull in getting 300 more rpm out of the fans though XD

CPU: i7 6700 @ 4.25Ghz on 1.26 volts

RAM: HyperX 8GB @ 2666Mhz (doesnt like to be oc'd)

MOBO: MSI Z270 Gaming M3

GPU: Galax GTX 970 @ 1500Mhz  (with modified black EXOC bios)

Power Supply: Cougar CX700

SSD: Samsung 750 EVO 120GB

HDD: Segate Barrcuda 1TB

Case: Cougar Panzer Max

 

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