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My pop has the camera so I can’t take any at least not tonight. Those are the outputs.

IRF7413 Datasheet PDF

I feel for ya tho: Well, nothing else to do but give her a try then. Give me a resistance reading for pin 4 and lets see if we can change the Vddr by modding this RT IC.

Ok, pin 5 is the actual output for the RT ICs. Pin 13 is the inverting input for output pin datashete Resistance between pin 1 and a ground is 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. Well I looked over the datasheet and which pin do you think is likely to be it? Then do the connectivity test between those points and pins 1, 7, 8, and I wanna try and find some volt mods for it. Odd pcb layout vmods. Got some pics now. The back of the card is almost blank except for one mosfet which d7413 “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.


BTW HF, this is a not a ti There is nothing else really. Do a resistance between 13 and GND and post what you find. Just odd the datashet is tied directly to that cap. I datashet start with a 5kk VR just to be safe.

Odd pcb layout vmods. [Archive] – XtremeSystems Forums

The card is a pro I just got back from rma fatasheet it doesn’t look anything like the one I had, layout wise at least. 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.

I found connectivity between pins 13 and a cap on the back of the card that reads 2. I’m almost sure that the 2. If you dont get an increase after turns, then I would stop and we need to take another look at it.


Sounds like the vdd voltage right there.

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? That sounds a bit low for Vddr, thats probably vddq.

Once we figure out which output is supplying the Vddr and Vgpu, we can try modding the inverting inpout pin each output pin. If possible, please check the voltage on 14 and post that.

Anyone make sense datasgeet that one? Keep a good eye on the voltage as you adjust the VR. 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. Those are all the ICs on the board.

The LM chip is prob controlling either Vgpu or Vddr.