ASUS P5W DH mods & E6700@4G by water-cooling

[Stigma]

I've modified Vcore, Vdroop, Vdimm, Vmch, Vfsb of P5W DH

<b>Vcore & Vdroop mod</b>
<img src="http://222.151.144.235/c-board/file/P5W-DH_Vcore-Vdroop_mod.jpg">

On this Vdroop mod, because the only thing you want to acomplish is to lower the resistance, it should be possible to just use a pencil technique, and keep applying until you reach the resistance you want to get...

Right?

Can someone confirm this for me? I don't have a lot of experience in motherboard harmodding, so I don't want to trust my own idea until I get a second opinion of someone more experienced =)

And also... how do you measure the vdroop to see if you need more or less resistance?

-Stigma

[Stigma]

*holy double-post batman!*

-Stigma

[Dani]

On this Vdroop mod, because the only thing you want to acomplish is to lower the resistance, it should be possible to just use a pencil technique, and keep applying until you reach the resistance you want to get...

Right?

Yes, thats right.

And also... how do you measure the vdroop to see if you need more or less resistance?

-Stigma

You must measure Vcore in IDLE and FULL STRESS, when Vcore stop "dancing" then you are done.
My Vdroop was 0.03V (IDLE: 1.530V / LOAD 1.500V)
..after mod (with 50Kohm VR) IDLE: 1.530V / LOAD: 1.529V)

[Dani]

Are those pics down again
..can someone do smoething, thanks

[M.Beier]

Well lets get on with it... Vcore + vdroop mod to be done, soon

[Stigma]

Yes, thats right.


You must measure Vcore in IDLE and FULL STRESS, when Vcore stop "dancing" then you are done.
My Vdroop was 0.03V (IDLE: 1.530V / LOAD 1.500V)
..after mod (with 50Kohm VR) IDLE: 1.530V / LOAD: 1.529V)

Great stuff, Thanks Dani.

I still hope someone can explain the MCH mod to me tho (see question a few posts back).

Here are some alternative ways to voltmod BTW. mostly very simple resistance decreases, so they can be done pencil-style. If I can't figure out the MCH mod here, I will probably just use the one described in this link instead:

http://www.vr-zone.com/?i=3876&s=1

-Stigma

[Joe Camel]

SOrry, maybye I'm being stupid here, but I can't figure out the MCH voltmod (the only one I really care about atm). All the points marked aren't connect to anything. Is it the RT9214 that controls the MCH? if so, what are the points marked as MCH? Also, how do I measure how much voltage I am actually getting? I assume I don't have to "fly blind".

Can anyone spoonfeed me this one? *shame*

-Stigma

wire a 10k pot between the 2x legs of the IC

highest resistance = LOW volts
lower resistance = HIGHer volts

measuring
touch the red (+) from your DMM to the point specified and the black (-) to any ground (set DMM to the correct scale)



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i wanted to say THANKS for this guide

here are the pics of my mods:






















i just finished tonight so am yet to test it.



.

[eva2000]

no volt mods with P5W DH with 1.85v MCH in bios on water

@9x449fsb with tRD 7


@9x449fsb with tRD 6


hehe

[m0da]

wow, i like the setup!
im gonna have to do the same once i learn how to solder ( or i just buy a soldering iron and mess my board up!!! ).

[Joe Camel]

480 FSB

not too bad, considering i was stuck @ 447 FSB un-modded



2.1V MCH

2.65V Dimm ... (not SURE i need this much)

1.70V-core ... (I DONT need it @ this speed but im testing the chilly1 capacity while im here)


NB is AIR cooled :
copper HSF with dual fan (counter rotating) DELTA screamer (SEE post #107)



BTW
chilly1 SS hit -35C ... single 32M load



---NOTE---

i can NOT boot with MCH higher than what i have it set @ in BIOS (read off the V-mod DMM)

i have to turn it back down to 1.65V ...then it boots... without a reset or anything. WHILE im adjusting the POT, the thing will start booting as soon as i hit my BIOS setting.

then i turn it back up after windows has booted
















485 (if you consider 1M "stable" :P)













now all i need is some D-Ice and see if the V-Core mod will get me to 4850MHz





.

[symphy]

One question to all...

Does the Vcore Readoutpoint show the right voltage to anybody? (sure, setting via BIOS is okay, but how to set vdroop unloaded at BIOS?)

I'm getting 0,01 V to ground from the point koysen showed here - and that's wrong....

I can't find the data sheets for the ADP3198 IC... Please help, i would fix it by myself if i could :-/

// Edit: Just took the digital multimeter... and measured it by myself... damn, i was shaking Oo.



Sorry for taking your Pic Joe Camel (without asking,...) I hope you're okay with it :-/

My cam is down and i havent new accus right here...

This point is working

[jabski]

Joe Camel please can ypu tell me what version of ClockGen you have been using ????
Many thanks

[ojdr2001]

Need clarification please:

In this board with a X6800 what is correct:

- Vcore goes higher when in load (3DMark2001)?
or
- Vcore goes lower in the same conditions?

Reason I'm asking is because I checked with 2 diff MM and one shows a vcore increase and the other a decrease. Both MM showing same vcore @ idle

Thanks

[Dani]

Without Vdroop mod it drop's in LOAD about 0.03Vcore
With Vdroop mod in LOAD 0.00V

[alpha0ne]

I like most others am getting Vdroop of around .03 so I thought I would do the Vdroop mod but for some reason the resister that has to be removed reads 40K and not 51K ????, anyone come across this before ??

Also does the resister have to be removed ??, cant I leave it and just solder my 50K ten turn pot to each end of the resister ??

Thanks

[Vapor]

What rev do you have? Maybe ASUS is doing the vdroop mod for us now?

[alpha0ne]

What rev do you have? Maybe ASUS is doing the vdroop mod for us now?

Hehehe I wish

Its the very first rev, 1.02G

[Joe Camel]

Joe Camel please can ypu tell me what version of ClockGen you have been using ????
Many thanks

sorry havent checked this in a while....


i used the most recent version off the sight:

http://www.cpuid.com/clockgen.php

version: 1.0.4.7
P5W DH = ICS 954123


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symphy,

with NO droop mod, i get .02V "droop" (not enough to make it worth the mod IMO) measured off Kyosen's point


glad my pic could help
like all that Dielectric grease all over the place


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WE NEED THESE PICS UP (PLEASE)


.

[Razor_cut]

Im having enormus undervoltage. Having the E6600 at 400x9 with 1.5V working just fine. Then the machine become strange and wouldn't post even with 280x9 with 1.5V. So I checked the bios and the voltag was down at 1.2-1.3V. Can someone please explain that.

Do you think a vdroop would take care of this truble?

Thanks!

[Joe Camel]

when the mobo "crashes" and restarts, and you get the "overclock or overvolt has failed" message, the volts are set WAY LOW!

press F1, set to a "stable" OC, restart (save settings) and you *should* be back to the voltage you set in BIOS (assuming what you saved IS stable)


the "droop mod" refers to the voltage "droop" when the CPU is on load vs idle.


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EDIT:

THANKS for getting the pics back up


.

[T07N]

Hmm, anyone have better pictures diagrams telling what trimmers to use for vcore, vmch and vdimm for this board?

[roger_h99.nor]

ASUS PW5 DH Deluxe - 1.85 ver.
Vcore bios: 1.50V
Vcore Speedfan: 1.47V
OC: 10 x 340

Test: 2 x TAT.



(sry about the typo in pic )

I consider this to be way to much.

Anyone got some 1. hand information on the droop mod on this board?
Thinking about solderpoints / resistorvalue and results.

[psy4fun]

Vcore & Vdroop mod

http://img78.imageshack.us/img78/321...roopmodca7.jpg

Vdimm & Vmch mod

http://img78.imageshack.us/img78/129...vmchmodft3.jpg

Vfsb mod

http://img78.imageshack.us/img78/945...vfsbmodnn9.jpg