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Do a resistance between 13 and GND and post what you find. I’m vatasheet sure that the 2. Well I looked over the datasheet and which pin do you think is likely to be it?
I would start with a 5kk VR just to be safe. I wanna try and find some volt mods for it.
Resistance between pin 1 and a ground is If possible, please check the voltage on 14 and post that. Well, nothing else to do but give her a try then.
IRF7413 Datasheet PDF
Oddly enough I found a connection between the ricktek chip and the cap measuring 2. My pop has the camera so I can’t take any at least not tonight.
I’ll try and see if I can get some pics, but those are all dataxheet ic’s on the card so can anything be worked from that? We need to make sure its Vddr and not Vddq. If Output Pin 1 is supplying Datwsheet, then we try modding to pin 2. BTW HF, this is a not a ti I feel for ya tho: Give me a resistance reading for pin 4 and lets see if we can change the Vddr by modding this RT IC.
Those are all the ICs on the board. Then do the connectivity test between those points and pins 1, 7, 8, and Got some pics now. If the resistance between 13 and GND is ohms, then a 1K VR is gonna lower resistance by a solid 60 ohms, which may datashwet to much to start with since we are shooting in the dark right now. Keep a good eye on the voltage as you adjust the VR.
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.
F Datasheet, PDF – Alldatasheet
Once we figure out which output is supplying the Vddr and Vgpu, we can try modding the inverting inpout pin each output pin. The LM chip is prob controlling either Vgpu or Vddr. Ok, pin 5 is the actual output for the RT ICs. If you dont get an increase after turns, then I would xatasheet and we need to take another look at it.
fxinfo: Semiconductors, Stock Items
Anyone make sense of that one? I found connectivity between pins 13 and a cap on the back of the card that reads 2. That sounds a bit low for Vddr, thats probably vddq. The back of the card dattasheet 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. Sounds like the vdd voltage right there. Those are the outputs.
There is nothing else really.
Just odd the 13 is tied directly to that cap. Pin 13 is the inverting input for output pin Odd pcb layout vmods.