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If possible, please check the voltage on 14 and post that. I found connectivity between pins 13 and a cap on the back of the card that reads 2. Oddly enough I found a connection between the ricktek chip and the cap measuring 2.

We need to make sure its Vddr and not Vddq. Give me a resistance reading for pin 4 and lets see if we can change the Vddr by modding this RT IC. Anyone make sense of that one? There is nothing else really. Those are the outputs.

I’ll try and see if I can get some pics, but those are all the ic’s on the card so can anything be worked from that? If you dont get an increase after turns, then I would stop and we need to take another look at it.


The card is a pro I just got back from rma and it doesn’t look anything like the one I had, layout wise at least. Well I looked over the datasheet and which pin do you think is likely to be it? I wanna try and find some volt mods for it. dztasheet

IRF7413 Datasheet PDF

I would start with a 5kk VR just to be safe. The back of the card is almost blank except for one mosfet which reads “APME” There are also small 3 legged ic things that read “PH0o BCP68” On the front of the card there are more datsheet that look like regs. Then do the connectivity test between datasyeet points and pins 1, 7, 8, and I’m almost sure that the 2.

If Output Pin 1 is supplying Vddr, then we try modding to pin 2. I dont recall what the baseline Vddr is for the cards.

Got some pics now. Ok, pin 5 is the actual output for the RT ICs. Once we figure out which output is supplying the Vddr and Vgpu, we can try modding the inverting inpout pin each output pin. Well, nothing else to do but give her a try then.


F Datasheet, PDF – Alldatasheet

I feel for ya tho: Sounds like the vdd voltage right there. BTW HF, this is a not a ti Pin 13 is the inverting input for output pin That sounds a bit low for Vddr, thats probably vddq. My pop has the camera so I can’t take any at least not tonight. Those are all the ICs on the board. Satasheet a good eye on the voltage as you datashset the VR. Odd pcb layout vmods. Resistance between pin 1 and a ground is Just odd the 13 is tied directly to that cap.

F – IR – FETs – Single – Kynix Semiconductor

The LM chip is prob controlling either Vgpu or Vddr. Do a resistance between 13 and GND and post what you find. If the resistance between 13 and GND is ohms, then a 1K VR is gonna lower resistance by a solid 60 ohms, which may be to much to start with since we are shooting in the eatasheet right now.