Hello there, Swider and owies
Swider, I suggest you to change default capacitors to other with 2x larger capacity
Teoretically it will reform vcore's fluctuations..
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Hello there, Swider and owies
Swider, I suggest you to change default capacitors to other with 2x larger capacity
Teoretically it will reform vcore's fluctuations..
Hello Tonic :D
We thought abot larger capatitors... maybe we will do this ;]
But now on my 2 phases and extra capatitors under socket I have excellent stable vcore :D => If I put in bios 1.4V I have real [multimetr] 1.40V in idle any fluctuations ;] and in stress 1.40-1.41V :D
We realisted that we can bring parts from Abit KT7 because it have the same mosfets, HIPs :D Now we looking for Abits NF7 and KT7 ;] Sometimes parts is diffrent by one letter ;] We checked upper mosfets... it was working... but now we have to check HIPs ;]
Do you know any other mosfets, which we can replace... because I can't buy anywhere PHB55N03 mosfets... ?
2 phase? Not 3?Quote:
Originally Posted by Swider
It isn't that so high vcore, so there fluctuations are smallQuote:
=> If I put in bios 1.4V I have real [multimetr] 1.40V in idle any fluctuations ;] and in stress 1.40-1.41V :D
Put 2.2V and stress it, I'm sure that your face will have no any smiles :D
It would be really hard, it's all what I can say.. good luckQuote:
Do you know any other mosfets, which we can replace... because I can't buy anywhere PHB55N03 mosfets... ?
Yes, 2 phase... the 3rd phase are "broken" :/
If we put there upper mosfet mobo working without cpu... but if we put cpu into, mobo always burn this mosfet... maybe it's sth wrong with HIP6301... but now I have 2 phases... I will try to repair this or do new phase on PWM4... but I don't know that Hip can accept this "jump" => PWM1,2 working, 3 not working and 4 working ;]
I will try highter vcore, but I burned my Chieftec 420 :[ and now I have NoName 300W :[ so I have 1.4V vcore...
Of course there is no voltage fluctuation at 1.4V... And if you are measuring voltage on condensators pins measured voltage will be rock stable... on CPU pins there is completely diferent story :D
The bigest advantage of 4 phase mod is shown at maximum voltage (2.3V in BIOS) before mod it was impossible to boot into windows... the computer would just restart itself, because of overcurrent protection. Now it works without any problems.
And one advice... use capacitors with smaller capacity. Those smaller ones have beter specifications (lower ESR) than biger ones. Dont replace capacitors with biger ones... just add small capacitors... and as close as possible to CPU.
TribesMan,
What is this ESR, could you explain for me, a electronic amateur? :D
Hmm... I will do this :D
Tell me sth about capatitors ;] If in Abit there is e.g 1600uF what size of capatitor should I solder ? 1000uF? 600uF?
What "cpu pins" ? Pins under the socket ? Can you post pic ;] ?
Certainly I will check Vcore like 2.3V but I still waiting for my new psu ;]
TribesMan=> Do you know what's wrong when NB is extremly hot [few second from start] when I turned on mobo without cpu and other stuff... I think the NB is burned ? ... I resoldered two vdd mosfets... 8 pin controler... and nothing change... We will try resolder NB :D
And add mising mosfet near Vdd, he gives on chipset 2.66V I guess...Quote:
Originally Posted by Swider
Hello Tonic :D you are that guy from tweak.pl ?
Tonic:
ESR is serial resistance of Elecrolytic condensator. You want to keep it as low as possible, because it worsens capacitors quality. Good capacitors have ESR around 10m[ohm], or less.
Swinder:
You can use any type or size of capacitors... but you will get better results with more smaller capacitors than with one big one. Oh and please keep those Abit capacitors where they are... those are good caps... just add some...
Solder them on pins of CPU socket on backside of motherboard, or on those places where SMDs shoud be... but be carefull, polarity of electrolytic caps is very important. If you screw it up they will explode! No pics sorry... I don't have camera.
If your NB is hot then it is probably dead.
Don't do that... :DQuote:
And add mising mosfet near Vdd, he gives on chipset 2.66V I guess...
THx... We think also NB is death... and now we have to resolder NB :D
because I did that:
:D:D:DQuote:
And add mising mosfet near Vdd, he gives on chipset 2.66V I guess...
@TribesMan
Swinder -> Swider ;)
I had Vdd at 2.75 for 30sek and everything works fine :p:
BTW. Enybody knows how is "opalarka" in english?
Iron with blowing hot air or Big "dryer" (around 600`C :p: )
Resoldering NB, maybe SB....that`s not xtreme...that`s crazy but.... We could add MCP-T to NF7... :stick: if it will work :p:
Hehe, it's me, owies
Resoldering NB.. I should call it extremely crazy
No, it won't work, because of fact that MCP-T controls a few elements, which
doesn't exist on NF7.
We will see, for few hours ;)
@Tribes
ISEN4 is 17 pin ;)Quote:
ISEN4 (current sesning input pin) 19 is already left open, so you dont need to unsolder it.
Yep, toroids can be vastly different based on materials used.Quote:
Originally Posted by TribesMan
I just did the mod but it isnt working. I have 0V on LGATE but it should be 8-9V.
First i thought that a part was brocken, so I took another phase from my old NF7 but I got the same Error again.
Any idea whats wrong here?
Error found!
I didnt connect 12V to the HIP6601 :rolleyes:
i did the mod me too, nice work TribesMan :toast:
it works perfectly.
it increase my max cpu speed by 30-40 Mhz( stable speed).
now the is removed.
you wouldn't happen to know what the costs would be for sending them overseas to europe would you?Quote:
Originally Posted by pc ice
Me and Świder :)Quote:
Originally Posted by pc ice
Edit.
but most me, świder will fry it :D
Wow I *might* try this... picked up an nf7 just to play with.
Swider, what Bios version do u use?