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