P4C800-Cheap Buffalo-Vdimm mod results

[AZN]

i got winbond BH-5 buffalo ram at newegg for $62 same as JD and its decent ram for a very low price but it needs atleast 2.91v to start competing with twinmos speeds. well finally after a week or so major slaughter over the phone coaches me on how to do the Vdimm mod. to make a long story short i did the mod and now im pumping 3v to my ram and now i can use my 5:4 at higher then 280fsb. this is my first bench at 290fsb at 5:4 ddr464 at cas2-3-3-7
not bad eh, im gonna keep trying to tweak this system and aim for 300fsb at ddr480 but with this ram it just might not happen or the chip for that matter but we'll see. worse case i'll kill my ram and be forced to get better stuff

azn is very happyhttp://home.attbi.com/~aznsniper/thewave.gif

http://home.attbi.com/~aznakano1/vdimm.jpg

[Maxvla]

those are some way too happy smilies.

[j2me_tech]

azn,

nice, 290fsb using 5:4 divider. :clap: izzit after 290fsb using 5:4 is :bang head

:p

[LandShark]

WOW!! that's great!! :clap: :clap:

now, only if someone could teach me how to do it.... is it hard to do for even a newbie --> :) if you don't mind, can you give me a "walk-thru" instruction, included parts and where to buy?? :cool:

[j2me_tech]

Originally posted by LandShark
WOW!! that's great!! :clap: :clap:

now, only if someone could teach me how to do it.... is it hard to do for even a newbit --> :) if you don't mind, can you give me a "walk-thru" instruction, included parts and where to buy?? :cool:

muahahahaha...LMAO!:D :D

[LandShark]

Originally posted by j2me_tech


muahahahaha...LMAO!:D :D
:rolleyes: :rolleyes:

[AZN]

well if u want to save even more $$$ then buy the pc3200 buffalo cuzz it too uses bh-5 winbond modules. i havent tried to go higher yet but it looks to be no different then the pc3700 sticks.
pc3200 256mb at $45 at newegg

http://home.attbi.com/~aznakano1/3200.jpg


i will post how to mod soon

[krag]

Awesome bro! Have you touched your ram when its clocked that high? Is it like hot or just warm? Does the P4C800 have the same Vdim regulator as the IC7?

[AZN]

i just touched the sticks and it feels no different then at 2.55v its not hot at all just slightly warm.
i saw the ic7 vdimm mod in this forum somewhere before. i tried to find it again but couldnt, maybe some1 can link us to it cuzz the mod is not hard to do at all. bignuttz will do his mod as soon as his smd grabbers come in the mail which should be tomorrow.

i dont know about the ic7 but im sure they wont be mounted on the board at the same spot.

[krag]

Dude, if I can get my vdimm modded I'll slap these Corsair chips with 3.0-3.1v and rock it! Hipro told me that my particular chips can handle 3.2 easy. Might just get me a 3.0c northy too.:D

[AZN]

Originally posted by j2me_tech
azn,

nice, 290fsb using 5:4 divider. :clap: izzit after 290fsb using 5:4 is :bang head

:p
whats that about a wall at 290fsb? :)
these are my pc3200 sticks

http://home.attbi.com/~aznakano1/293.jpg

[batboy]

Here is a link for the IC7 vmem mod. Wish they were a bit more clear on what to do. Sounds like too much delicate soldering for me.

http://www.xtremesystems.org/forums/showthread.php?s=&postid=143787#post143787

[lbbo2002]

Smoken overclock:cool: What are your temps like with the 900u? Have you had to up the CPU core much?

Again that one fine board and overclock

[micamica1217]

Originally posted by AZN
i just touched the sticks and it feels no different then at 2.55v its not hot at all just slightly warm.
i saw the ic7 vdimm mod in this forum somewhere before. i tried to find it again but couldnt, maybe some1 can link us to it cuzz the mod is not hard to do at all. bignuttz will do his mod as soon as his smd grabbers come in the mail which should be tomorrow.

i dont know about the ic7 but im sure they wont be mounted on the board at the same spot.

do you mean that you don't have to sodder...you can use the grabbers like the old voltage mods?

did you use grabbers?

anyway, I hope us IC7 users can do something easy like this...
using grabbers that is.

also, I think hipro5 listed pics in one of my posts about the 275fsb wall and IC7...I'll look now.

one more thing AZN........:clap: :clap: :clap: :clap:

real nice man.

mica

edit: pics of IC7 vdimm mod (http://forum.oc-forums.com/vb/showthread.php?s=&threadid=197512&pagenumber=2)

[AZN]

how about my pc3200, this is with 3.09v and still cool to the touch :) u cant beat this for $45 256mb sticks.

http://home.attbi.com/~aznakano1/309.jpg

[Ec]-[oMaN]

damn sweet man

[AZN]

thx guyz. my temps at load at 44c while folding. this is what i use for everyday use. 295fsb is just for benching.
my 92mm cpu fan has not speed senor so thats y its not reading.

http://home.attbi.com/~aznakano1/temp.jpg

[krag]

MAN! I am so jealous! Dang it! I want some smokin' mem oc action!!!:( :)


Here, here give it up to AZN bro!:clap: :clap: :clap:

[krag]

Thanks for the links Mica and Batty...but it looks like micro surgery...and way out of my league.:( Oh well maybe we will see a ressurection of Mr. Natural and his madskillz. Sos the rest of us can get some action.

[micamica1217]

Originally posted by krag
Thanks for the links Mica and Batty...but it looks like micro surgery...and way out of my league.

I agree...mica is sad because he has no skillz.:(

mica

[AZN]

id keep an eye out cuzz i think they will eventually find a easier way to do the mod on the ic7. i was just talking to major slaughter and he might have a way to skip a step or somthing. im temped to get the 2x512mb pc3200 buffalo for $85

[jdmcnudgent]

again, one word, awesome.:D

[AZN]

Originally posted by micamica1217


do you mean that you don't have to sodder...you can use the grabbers like the old voltage mods?

did you use grabbers?

anyway, I hope us IC7 users can do something easy like this...
using grabbers that is.

also, I think hipro5 listed pics in one of my posts about the 275fsb wall and IC7...I'll look now.

one more thing AZN........:clap: :clap: :clap: :clap:

real nice man.

mica

edit: pics of IC7 vdimm mod (http://forum.oc-forums.com/vb/showthread.php?s=&threadid=197512&pagenumber=2)

sorry for the late reply. bignuttz has some small smd grabbers in the mail and he said it will work. its a pretty tite fit and i dont want any metal near the other ends to short something so im alitte worried about grabbers. if u dont move ur case i guess its ok, maybe they grab really hard so u might be fine but i'll let bignuttz reply to the grabbers. i used solder cuzz i have a nice little kit and i wanted to make sure the wire doesnt move on me. I only solderd to 1 lead and the ground i just used the mb mountt holes to ground it. then i just electric taped the POT or VR to the side of my case. the hardest part was keeping ur hands steady cuzz its such a small area to solder. i had a nice magnifly glass. tomorrow i will get pics of all my tools and where i got them and post a complete how to mod the P4C800.

[jdmcnudgent]

Originally posted by AZN


sorry for the late reply. bignuttz has some small smd grabbers in the mail and he said it will work. its a pretty tite fit and i dont want any metal near the other ends to short something so im alitte worried about grabbers. if u dont move ur case i guess its ok, maybe they grab really hard so u might be fine but i'll let bignuttz reply to the grabbers. i used solder cuzz i have a nice little kit and i wanted to make sure the wire doesnt move on me. I only solderd to 1 lead and the ground i just used the mb mountt holes to ground it. then i just electric taped the POT or VR to the side of my case. the hardest part was keeping ur hands steady cuzz its such a small area to solder. i had a nice magnifly glass. tomorrow i will get pics of all my tools and where i got them and post a complete how to mod the P4C800. the grabbers wont work on the ic7. as you have to remove the r50 resistor, and then sodder on 2 wires in the place, connected to the pot, and your done. the hard thing is getting the r50 off the board without flubbing anything else up as you go, and then soddering the 2 NEW wires in place.:(

[micamica1217]

Originally posted by AZN


sorry for the late reply. bignuttz has some small smd grabbers in the mail and he said it will work. its a pretty tite fit and i dont want any metal near the other ends to short something so im alitte worried about grabbers. if u dont move ur case i guess its ok, maybe they grab really hard so u might be fine but i'll let bignuttz reply to the grabbers. i used solder cuzz i have a nice little kit and i wanted to make sure the wire doesnt move on me. I only solderd to 1 lead and the ground i just used the mb mountt holes to ground it. then i just electric taped the POT or VR to the side of my case. the hardest part was keeping ur hands steady cuzz its such a small area to solder. i had a nice magnifly glass. tomorrow i will get pics of all my tools and where i got them and post a complete how to mod the P4C800.

np on the late reply...I just located the place to do the mod on the IC7 and I have to say....:eek:
anyone here remember how to UNLOCK an AMD...man, I had to do that too many times. ouch, my eyes hurt just thinking about it.

but now we are talking soldering...and unsoldering.:eek:

nice going again AZN.:clap:

mica

[micamica1217]

Originally posted by jdmcnudgent
the grabbers wont work on the ic7. as you have to remove the r50 resistor, and then sodder on 2 wires in the place, connected to the pot, and your done. the hard thing is getting the r50 off the board without flubbing anything else up as you go, and then soddering the 2 NEW wires in place.:(

I see now...that may not be as hard as I thought.
in hipro's pic it looked like you must solder the pot to the board.
not to the two wires.

man, jd, I wish you did it first so I can have a pic to were you solder the wires to.

mica

[AZN]

some1 will find a easy way to do this for ic7.
here is a quick pcmark. funny my first run scored 10509memory but I clicked close before i could get a screenie. dont u hate how it flucuates. ill try another run maybe i can get over 10500memory again. this was done at 290fsb 5:4 2-2-2-6 timmings

http://home.attbi.com/~aznakano1/pcm.jpg

[micamica1217]

Originally posted by AZN
some1 will find a easy way to do this for ic7.
here is a quick pcmark. funny my first run scored 10509memory but I clicked close before i could get a screenie. dont u hate how it flucuates. ill try another run maybe i can get over 10500memory again. this was done at 290fsb 5:4 2-2-2-6 timmings


what I don't get is the low pcmark cpu score...I get 8629 in cpu at 195fsb---3.5ghz edit---I mean 194fsb

must say your mem score blows me away.

mica

[AZN]

Originally posted by micamica1217


what I don't get is the low pcmark cpu score...I get 8629 in cpu at 195fsb---3.5ghz edit---I mean 194fsb

must say your mem score blows me away.

mica
its flucuates i guess depending on what u have running and stuff. i did another run and my memory went even lower but cpu went up alittle lolz
sometimes u just have a good run and sometimes it doesnt i guess. like i hit 11k mips at 290fsb with ddr 370 but now it normally does 10700mips. i guess sometimes it runs good and sometiems it doesnt. or maybe its just all the stuff i got loaded on windows, like games and so on. u know how when u first get a fresh install and u can score pretty good but as u start installing ur software ur scores drops slightly.

http://home.attbi.com/~aznakano1/pc1.jpg

[AZN]

mica, remember my UT2003 benchmark? well i guess its mostly dependant on cpu speed and not memory bandwidth.

290fsb 3480MHz 3:2 387mhz ram

dm-antalus
35.166431 / 80.564941 / 148.232376 fps
Score = 80.615456

265fsb 3180 MHz 5:4 424mhz ram

dm-antalus
17.506815 / 73.738686 / 143.534973 fps
Score = 73.787552

290fsb 3480mhz 5:4 464mhz ram

dm-antalus
16.925203 / 71.431198 / 148.829163 fps
Score = 71.462982

the last test was done at fastest timmings and it still only did 148fps cuzz it was running at the exact same cpu speed as the first test.

[TC]

I just performed the volt mod on my P4C800 (which is so easy btw) and this is what I'm getting out of my corsair 3200 at 2.95 volts:

http://www.itresourcegroup.biz/images/mem470.jpg

http://www.itresourcegroup.biz/images/ssMem470.jpg

[AZN]

nice, go for higher :) what fsb is that at and what chip? have u tried the 1007.006 bios? that might help alittle. did u use grabbers or solder? yes it not hard at all on this board.

[TC]

235fsb with a 3.0C, and yes I'm using the 1007.006 beta. Even with turbo mode enabled it didn't seem to make any difference in cpu or memory scores at the same fsb. I used a pomona grabber - one of Larry Quinn's kits.

[AZN]

is that grabber stronge enough so that if u move ur case it wont fall off?
ur cpu speed is alittle faster but the scores are alittle lower. i guess its my high fsb that gave me 6k sandra right? so it would appear the FSB and ram MHZ and timmings ofcourse play the most important roll in bandwidth, cpu speed doesnt.

[TC]

I wouldn't trust it to stay on with much vibration, but that's not a concern for me. FSB will definitely improve mem scores - I've reproduced that several times. That is if you're running 400MHz ram at 200fsb versus 400MHz ram at 250fsb - the latter will yield a better score.

[micamica1217]

Originally posted by AZN


sorry for the late reply. bignuttz has some small smd grabbers in the mail and he said it will work. its a pretty tite fit and i dont want any metal near the other ends to short something so im alitte worried about grabbers. if u dont move ur case i guess its ok, maybe they grab really hard so u might be fine but i'll let bignuttz reply to the grabbers. i used solder cuzz i have a nice little kit and i wanted to make sure the wire doesnt move on me. I only solderd to 1 lead and the ground i just used the mb mountt holes to ground it. then i just electric taped the POT or VR to the side of my case. the hardest part was keeping ur hands steady cuzz its such a small area to solder. i had a nice magnifly glass. tomorrow i will get pics of all my tools and where i got them and post a complete how to mod the P4C800.

it is past tomorrow...and still no pics of tools, where you got them, and a complete how to.

that's ok azn, you must be tired from all the OCing goodness you have right now.

again, nice job.

mica

[Jojo1971]

i have a digital picture of the variable resistor soldered directly to the chip .it's neat and works well for me. i dont have hosting capability so if somebody could post the picture, email me at josephgaton@yahoo.com and i will reply with the picture sent to you .

[AZN]

Originally posted by micamica1217


it is past tomorrow...and still no pics of tools, where you got them, and a complete how to.

that's ok azn, you must be tired from all the OCing goodness you have right now.

again, nice job.

mica

Vdimm mod for p4c800 deluxe (http://forum.oc-forums.com/vb/showthread.php?s=&postid=1815913#post1815913)
there u go mica ;)

Jojo1971, send pic to aznsniper@attbi.com and i will host for u.

[Jojo1971]

pix sent ty azn


btw the materials/tools i used are the following:

47K VR from radioshack
15W soldering iron
60/40 rosin core solder from radioshack
digital multitester
a steady hand :)


it is a good idea to cover the surrounding area of the chip with masking tape,paper etc to prevent solder splinters getting into your mobo's circuit- just in case you made a mess.

[Big Nuttz]

The smd grabber is really easy. I might hot glue it right to the chip because it does fall off pretty easy.

[Big Nuttz]

Originally posted by Jojo1971
pix sent ty azn


btw the materials/tools i used are the following:

47K VR from radioshack
15W soldering iron
60/40 rosin core solder from radioshack
digital multitester
a steady hand :)


it is a good idea to cover the surrounding area of the chip with masking tape,paper etc to prevent solder splinters getting into your mobo's circuit- just in case you made a mess. I see in your signature that your running Raptor Raid on the P4C800. How did you accomplish that? Every time I install Raid on my Raptors with this board it doesnt work. Which Raid drivers are you using and which OS?

[hipro5]

Coooooolllllll..............

[AZN]

Originally posted by Jojo1971
pix sent ty azn


btw the materials/tools i used are the following:

47K VR from radioshack
15W soldering iron
60/40 rosin core solder from radioshack
digital multitester
a steady hand :)


it is a good idea to cover the surrounding area of the chip with masking tape,paper etc to prevent solder splinters getting into your mobo's circuit- just in case you made a mess.

Jojo's pic

http://home.attbi.com/~aznsniper/jg.jpg

[TC]

Now that is some soldering job :eek:

[Jojo1971]

okay, i removed the VR and measured the resistance-it's 10.75K..

so for those who wants to do a + 0.3 volt mod without using a VR, you may use a 10K+1K resistors in series connected to pin4 and pin 6.

i think with 11K resistance, youll be getting about 0.28-0.29 volt
increase.

[AZN]

Originally posted by Jojo1971
okay, i removed the VR and measured the resistance-it's 10.75K..

so for those who wants to do a + 0.3 volt mod without using a VR, you may use a 10K+1K resistors in series connected to pin4 and pin 6.

i think with 11K resistance, youll be getting about 0.28-0.29 volt
increase.
thats nice to know, i might check mine to. i used a + .35v so
2.55v = 2.9v
2.65 = 3v
2.75 = 3.1v
2.85 = 3.2v

I like my settings :)

the 47k ohm POT is so sensitive i should have used my 100k POT. it seems a slight 5-10 degree turn moves it .05 - .1v u could breath on it and u will get .01v increase