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Sounds like the vdd voltage right there. I feel for ya tho: Anyone make sense of that one?

F pdf Datasheet P1 Part Num IC-ON-LINE

The LM chip is prob controlling either Vgpu or Vddr. 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 dataxheet we are shooting in the dark right now.

Resistance between pin 1 and a ground is Once we figure out which output is supplying the Vddr and Vgpu, we can try modding the inverting inpout pin each output pin. Those are the outputs. Keep a good eye on the voltage as you adjust the VR. Pin 13 is the inverting input for output pin Got some pics now.


Dafasheet possible, please check the voltage on 14 and post that. I wanna try and find some volt mods for it. There is nothing else really.

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? Give me a resistance reading for pin 4 and lets see if we can change the Vddr by modding this RT IC.

IRF7413 Datasheet PDF

Just odd the 13 is tied directly to that cap. My pop has the camera so I can’t take any at least not tonight. Then do the connectivity test between those points and pins 1, 7, 8, and I’m almost sure that the 2.

Do a resistance between 13 and GND and post what you datasheeet.

F Datasheet, PDF – Alldatasheet

I would start with a 5kk VR just to be safe. BTW HF, this is a not a ti If you dont get an increase after turns, then I would stop and we need to take another look at it. If Output Pin 1 is supplying Vddr, then we try modding to pin 2. Well I looked over the datasheet and which pin do you think is likely to be it? Oddly enough I found a connection between the ricktek chip and the cap measuring 2.


I found connectivity between pins 13 and a cap on the back of the card that reads 2. Ok, pin 5 is the actual output for the RT ICs. Odd pcb layout vmods. That sounds a bit low for Vddr, thats probably vddq.

We need to make sure its Vddr and not Vddq. 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 things that look like regs. I dont recall what the baseline Vddr is for the cards. Those are all the ICs on the board.