Default voltage of this CPU ?

[p01n7e]

I have a Barton 2500+(as u can see below ) but a VERY VERY stupid PSU, probably the worst ever to find.When i put the CPU voltage on "default" in bios ,CPU-z shows 1.668v.When i put it to 1.7v at bios (when ocing or just to test) CPU-z shows 1.72 v .
And above all the CPU coltage changes all the time like crazy.That's weird?!?!?!?!?!!?
What's the stock voltage casue i don't wanna fry my CPU yet.

[Rondog]

All voltage fluctuates. Cheap power supplies just make it more noticeable. My PSU, when my CPU is set to 1.55v CPU-Z sees this as 1.52v.

Hope this helps.

[p01n7e]

Everything helps Just wanted to know the default voltage of my cpu so i don't burn it, because it will have to last until end of summer at least so i can buy a 3200+ Btw how much does a DFI-LANPARTY UT Nf4-D cost at your home ?
Just asking casue i have to order it here in bulgaria to know the price of DFI.
Here's details:
http://www.dfi.com.tw/Product/xx_product_spec_details_r_us.jsp?PRODUCT_ID=3529&C ATEGORY_TYPE=LP&SITE=UK

[Áedán]

If it's a Barton, rather than a Mobile Barton, it's default voltage is 1.65V I beleive. Anyone else care to confirm?

[Rondog]

Yeah, sounds about correct. It should to 1.8v or 1.9v on air without too much danger. Be careful though, and moniter your temps.

DFI Lan Party UT NF4 Ultra-D is $255 AUD
Which is $194 USD

NOTE: This has two 16x PCI-E slots. BUT its not SLI. You can modify it to an SLI by connecting some bridges. See bottom of this page: http://www.scorptec.com.au/index.php?prdid=00013366

Try Google for details.

[gofra]

True, locked Bartons have 1,65 Cvoltage for default. I also agree on the max. Vcore thing - there's around 1.95 V running through my locked 2500+, making him produce nice (but by no means adequate ] 2350 Mhz @ speed of 212 FSB. Keep in mind though, that I took good care of cooling it before I did that. And thats pretty much it :P, dont wanna go further...


Regards!

[p01n7e]

Originally Posted by gofra

Keep in mind though, that I took good care of cooling it before I did that. And thats pretty much it :P, dont wanna go further...
Regards!

212 FSB ?!?! How did u rise it that high ? I can get mine at about 180x11@1.72v (or a little more,voltage that is ) but if i rise it to 185x11 WIndows fails to start.Also i can increase the multi but not decrease it and that sux.Will a A64 3200+ Venice be able to decrease/increase multi and FSB? MBs go up to 400FSB max as i think how did u do 212 ? my bios doesn't even let me see higher that 200 FSB .Mods ?
i'm using a 8RDa3i

[gofra]

Hmm, strange...Im sure you must've overseen something cause I have the same board and same processor. You RAM seems ok too...Did you set the modificvations in BIOS to EXTREME (so you can change "the numbers" yourself?)? Cause realy, I cant seem to see the reason why you wouldn't be able to set it. Mine goes all the way up to 250.

Of course, my BARTON wont let me that (LOL) - it pretty much maxes at 212 X 11 (multiplier locked, since my CPU aint a mobile one). Can handle 8 hours of Prime95 torture that way.

I believe my RAM could go further. Ita a Dual Channel pack of DDR400 Geil Value 3200 ram (2 x 512) and currently running at 2,5-3-3-11 (was 2,5-3-3-6 = factory recomended for 200FSB, but found out I can gain a bit with 11 instead of 6 with 1:1 ratio (in synchro with CPU). I have to test how far can these guys go - saw few reviews claiming they've pushed up to 240! - but hey, that's another story...

And some numbers:

I raised the Vdim (ram voltage) up to 2.9. Not that it didnt go the other way, just wanted to make sure. My board gets 1.8 instead of 1.6 (default). And as I mentioned before, CPU having 1.95V.

As for the Venice: Im affraid I dont know much about these new processors, but have been said, that they arent realy "true" overclockers" if you know what Im saying . Check the steppings, ask on forums, just make sure before you buy it - could turn out lucky!

Your CPU: I realy dont know, it all depends. Some can overclock insanely good, some can't even reach factory claimed "heights". Try increasing the Vcore (CPU Voltage) and keep a good eye on your temperatures. Run Prime95 (try at least for few hours) and it'll show. If it fails, lower the FSB (or the multiplier, dont know which is stopping you, ram, processor...I somehow doubt board is) and try again (I know, it takes time) BTW, what are your temperatures? Make sure that max. (load) doesnt exceed 50, 52 C.

You would be surprised if I told you that some of the best overclocking AMD's, are the older 1700s, 1800s, 2500s and 2700s - at least what I saw. Yup, its pretty amazing to see 1700+ do almost 3000MHZ (wish I knew what the goddamn URL is!).

Try it and report - until then, cheers!

[malware]

[bulgarian]Zdrasti ot Bulgaria Ne znam na kakuv ezik da ti pisha, aide na english da razbira auditoriqta[/bulgarian]

Epox 8RDa3i has some major problems. It's very capricious about the power supply. Other good thing is using some modded BIOS(for example visit: http://www.underclock.rocks.it/ ). There're mobos which can not reach 200Mhz FSB, although they're certified for 200Mhz FSB, I have two examples in my office.

Now, about Venice(E3). Yes, you can decreas the multiplayer but you can't increase it........only highend CPU's like Athlon FX55 can....

[p01n7e]

Yeah thx for help everyone.But i'm 100% sure that it shows max 200FSB(in bios).When i run it 180x11(locked multi)@1.70(sucky PSU - goes up to 1.72-1.73 all the time!!) after about 30 mins of 3dMark03 system freezes and i have to reboot.Btw i don't have access to Internet in home so i'm in a club and don't expect instant answers of some questions BTW bulgarian - where could u possibly buy OCZ Ram in Bulgaria ???

[p01n7e]

Also my board has a 256KB bios (or i think so).I wanted to falsh it with a 8rda+ Modded(taipan or something like that) but it is 512KB

[Rondog]

You could do the pin mod to force it to use a FSB of 200mhz.

gofra: IS your system watercooled? Pumping 1.95v I would be. I think my teamps are to high and its only set @ 1.55v (1.52v is the actual voltage)

You have 8RDa3i? You are trying to flash it with 8rda+ BIOS? They are different board models. You need identical BIOS models but different versions. Then it should unlock multipliers down. But not up. Then it should also unlock FSB over 200mhz.

Buy a San Diego not a Venice.

[p01n7e]

At 180x11@1.7v - load temp - 50C.Air cooled .but where to get an 8rda3i modded bios ? And what pin mod ? unlocking the multi down - excellent Tell me pls
Also it would be great to paste a link where to download a 8rda3i bios cause i've searched the web with no luck

[gofra]

Nope, my sytem aint watercooled. But I have no fears, since I reach 32/35 in idle and 35/49 on full load (Prime95). Besides, it aint exactly cool in my room (temp. well above 25 during the measurements). I think Im ok...

I will go through some easier mods in about a month of time and see if I can even lower my temps.

In case it gets freakin hot this summer, I'll simply ease all down on stock or a mild overclock.


@P01n7e: man, Im sory to hear all that. If it aint too hard, please post a pic of your PC open...


Cheers..

[p01n7e]

Gofra - i'll post probably on monday or tuesday .
I expect to get a BTC ADSL soo though )

[Rondog]

Originally Posted by p01n7e

At 180x11@1.7v - load temp - 50C.Air cooled .but where to get an 8rda3i modded bios ? And what pin mod ? unlocking the multi down - excellent Tell me pls
Also it would be great to paste a link where to download a 8rda3i bios cause i've searched the web with no luck

OK. I have no idea where to get a modded BIOS. Try the EPoX forum.

Read through here about forcing 200mhz FSB. 3.4ghz Socket A Athlon XP-M Also PM noorman for more info

[gofra]

I was adviced to use THIS BIOS but aint sure should I go for it. I mean, its true, mobos are almost exactly the same (same chipsets...) but still, how risky is that? Anyone knows?

[p01n7e]

The 8rda+ has 512kb bios if i'm not wrong .8rda3i has only 256kb

[MrSeanKon]

Barton default CPU voltage is 1.650Volts but it is very rare to achieve the closest one value you want.
For example some mainboards overvoltage BIOS settings LOL other undervoltages LOL other like Rondog said varies Vcore...
If you do not measure with a multimeter your voltage then you do not do nothing!
Follow my sign and you can see how you can use a multimeter.

[p01n7e]

I know how to use a multimeter - that's not my prob.My REAL prob is that i don't want to make a short circuit because this mobo was already chaged for a new one due to some factory errors.Anyway post pics where should i test with the multimeter