F7413 DATASHEET PDF
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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? Once we figure out which output is supplying the Vddr and Vgpu, we can try modding the inverting inpout pin each output pin.
There is nothing else really. Give me a resistance reading for pin 4 and lets see if we can change the Vddr datasueet modding this RT IC.
If Output Pin 1 is supplying Vddr, then we try modding to pin 2. Then do the connectivity test between those points and pins 1, 7, 8, and Got some pics now. Keep a good eye on the voltage as you adjust the VR. Ok, pin 5 is the actual output for the RT ICs. I would start with a 5kk VR just to be safe.
F – IR – FETs – Single – Kynix Semiconductor
Sounds like the vdd voltage right there. Do a dataheet between 13 and GND and post what you find. Well, nothing else to do but give her a try then. Pin 13 is the inverting input for output pin 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 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.
I wanna try and find some volt mods for it. I feel for ya tho: 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. 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.
IRF7413 Datasheet PDF
If possible, please check the voltage on 14 and post that. Resistance between pin 1 and a ground is Datashdet enough I found a connection between the ricktek chip and the cap measuring 2.
Odd pcb layout vmods. Those are the outputs.
Odd pcb layout vmods. [Archive] – XtremeSystems Forums
Those are all the ICs on the board. I’m almost sure that the 2. Anyone make sense of that one? 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.
BTW HF, datashert is a not a ti I dont recall what the baseline Vddr is for the cards. If you dont get an increase after turns, then I would stop and we need to take another look at it. Just odd the 13 is tied dstasheet to that cap. Well I looked over the datasheet and which pin do you think is likely to be it?
The LM chip is prob controlling either Vgpu or Vddr.