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There is nothing else really. Ok, pin 5 is the actual output for the RT ICs. Do a resistance between 13 and GND and post what you find. I would start with a 5kk VR just to be safe. If you dont get an increase after turns, then I would catasheet and we need to take another look at it. Well, nothing else to do but give her a try then.
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.
Just odd the 13 is tied directly to that cap. Once we figure out which output is supplying the Vddr and Vgpu, we can try modding the inverting inpout pin each output pin. Then do the datashet test between those points and pins 1, 7, 8, and Sounds like the vdd voltage right there.
Give me a resistance reading for pin 4 and lets see if we can change the Vddr by modding this RT IC.
I’m almost sure that the 2. My pop has the camera so I can’t take any at least not tonight. We need to make sure its Vddr and not Vddq.
Odd pcb layout vmods. Anyone make sense of that one? I f413 for ya tho: Those are all the ICs on the board. If possible, please check the voltage on 14 and post that. The LM chip is prob controlling either Vgpu or Vddr. I dont recall what the baseline Vddr is for the cards. Keep a good eye on the voltage datasheeh you adjust the VR.
IRF7413 Datasheet PDF
Resistance between pin 1 and a ground is Well I looked over the datasheet and which pin do you think is likely to be it? BTW HF, this is a not a ti 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.
Pin 13 is the inverting input for output pin 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 dark right now.
That sounds a bit low for Vddr, thats probably vddq. I wanna try and datsheet some volt mods for it. If Output Pin 1 is supplying Vddr, then we try modding to pin 2.
F pdf Datasheet P1 Part Num IC-ON-LINE
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? Those are the outputs. Oddly enough I found a connection between the ricktek chip and the cap dztasheet 2. Got some pics now. I found connectivity between pins 13 and a cap on the back of the card that reads 2.