voltmod owns yesterday I did a voltmod to increase the voltage of my northbridge. This is the result :D http://users.pandora.be/kr15t0fke/pc...%20moehaha.JPG before I could only reach 223 fsb :D. I didn't tried it any further because ther is now 1.8V on my northbridge. How high may I go? You can see my ram is running 5/6. It only goes to 227Mhz super pi stable :( . I removed the heatspreaders yesterday, and they are CH-5. Can I go higher with a vdimm mod? |
how much voltage are you feeding that NB ? |
1.8V, 1.6v in bios, but 0.2 volt higher with voltmod. BTW, on the screen my cpu voltage is a bit high, forgot to put it lower after I lowered the multiplier :D |
doh, you already wrote that in your post, didn't see it, sorry , what mobo did you use? and wha guide? :) seems that .2v+ is quite effective. te NF-S can go up to 1.8v also by default no? or am I mistaken? should not push it over 2v though, nForce2 chips don't like that apparantly ;) (ask richbastard) |
Mine fried at 1.95v. Be carefull. :) The northbridge chip is able to sustain 1.8v for a long if well cooled, but be sure the voltage regulators feeding the chip don't burn up (Epox motherboards). |
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my board goes to 1.7V but it undervolts a lot. I had to put it on 1.7 to reach 19* Mhz. :( . So I knew that my northbridge was holding me back. I checked my voltage with a multimeter and It was 1.9V but the guide told me that the reading was 0.1V too high. So my bios is 1.6V (maybe thats like 1.5V) and the voltmod does the rest of the 1.8V. Now I know that I have a good chip, but my mobo was bad because of the undervolting. I want to try to go higher. I think I can reach it with that voltage. But the 12v rail of my psu is quiet low now. Maybe I try it tomorrow, now I have to work at a "spaghettifestijn" :D edit: nothbrige is cooled by a zalman cooler with a 40mm fan and a 80mm casefan blowing on it. Even the cpu cooler blows air on the northbridge. I also cooled my southbridge :). edit 2: If I go higher (fsb) without reasing the voltages, is there a risk to burn my mobo??? |
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*edit* I noticed on telenet that you had an NF7, still interested to know how you modded it. It's amazing that there can be so much difference while essentially we have the same boards. You gain 40 fsb just by doing a Vdd mod I gained 0 fsb from the Vdd mod |
which is better then 1.5v from MSI :/ |
NF7 Rev1 also has 1.7V for the NB chip. |
Be carefull with that Zalman cooler, because it doesn't completely cover the chip :grum: . |
shouldn't be a problem since the heat production is in the centre anyway. |
idd, but because I'm working on a casemod my mobo is out my case (on the mobotray) and there are 2 120mm fans cooling it :D + roomtemp is 11°C :D. I like a cold room. For 24/7 use I don't think I gonna puchit that far :D. @kristos. I used a pencil mod :D. Just to be sure that a real voltmod would work. In a few weeks I gonna buy a good solder set and then I gonna mod it with a resistor. btw, I used this guide http://www.motherboardfaqs.com/content.php?content.12 |
just reached 268 ( forgot to take a screen :() but on 270 pc chrashed and windows screwed up. :( It crashs more than a normal windows install :). guys, I think I need BH-5 really hard :D. someone want's to trade it with CH-5 and a barton 2500+ that does 2.5Ghz on stock voltage :D. Thats the best I can offer :D. Maybe €50 extra, but thats it :( BTW, I tested my barton 2500+ and it's max is 2.5Ghz, It does 2.5Ghz on stock voltage, but then it stops, even if you use a much higher voltage :wtf: |
I got a very strange problem. My pc won't boot with a divider differend from 3/3 :wtf: |
anything other then 1/1 (and 2/2/ 3/3 ... auto) doesn't work like it should on nf7's (and I think on nforce2 in general) |
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Pc is still chrashing a lot btw, didn't had time to do a format. |
well I have no experience with it, I just read it on fora :) I didn't try running async yet because of the performance drop and the problems I hear about while running async, whatever they may be. I'm going to try it one of these days, see what gives. |
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it's not for performance, it's to see how high I can clock the ram (if the dividers allow for this) btw do you notice a performance gain at 3/3 compared to the other dividers like 1/1 2/2 6/6 and auto? I always leave it on auto cuz it's supposed to give best performance (if you can believe the bios info ;)) but I haven't tested if it's true. |
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But how will I test the performance? I don't think the difference will be so big that you will notice it in super pi. |
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2*256 BH5 corsair PC3500, 233 Mhz 2-2-2-5 @ 2.9 V, good sticks, ask Gamer ;) |
:feesten: :feesten: |
told ya :) |
da_boka sells his sticks on SG @ 150 "meeneem," But if I sell those I can make myself a second pc if I buy a mobo, on the other hand I'm intressted in what you ask for those 2 x 256MB. maybe you sell them cheaper then da_boka ;) |
Some people say that 6/6 is the best option, never noticed a difference :rolleyes: . I don't have problems with my dividers (nf7-s v2.0) here, the only problem is that it doesn't have the div I need :grum: . |
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msn doesn't work here :s |
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aleluja, i'm logged in at msn :D |
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