1.33 AYHJA Y Vcore?

[agsilva]

Hi There,
I just built my new machine using a 1.33 AYHJA Y Thunderbird and a KK266-R MB, and I need to ask someone with some expertise what my V-core setting should be in BIOS. I am not currently Overclocking, though that is what I eventually intend to do).

The thing is I thought I recalled the default for this CPU to be 1.75 (I can't check without disassembling the whole machine), but the BIOS is set to AUTO for V-core and both Motherboard Monitor and the Via Hardware Monitor programs are showing a V-core of 1.82. Is this normal? (Enermax EG465P-VE 431watt PSU)

I know many people bump the voltage to 1.8 or higher to overclock, but should it be this high for default 1.33 operation? I am trying to figure out what my base heat output stuff is and I don't want to generate extra heat.

Also, what should I be getting for temp readings? I read the: "AMD CPUs: How Hot is too Hot?" article but I am confused. Given my hardware above and a Millenium Glaciator, what is a safe range to be looking for on MBM and the Via prog? I know the motherboard sensors (which is all I have) are not incredibly accurate, but what is a ballpark figure?

Like I said,I want to eventually Overclock, but I can't afford to fry anything so I am trying to figure out safe operating limits/signs now. Any help would be appreciated.

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Oh, yeah. I am getting 39C for CPU under normal load, 25-27C system temp, and like 47C? running Serious Sam?.

Again, I'd like to test tolerances out, but I am afraid a stress test program might get things too hot.

The default alarm temp on the ViaHM prog is 50C and since I was getting close to the Via alarm temp playing Serious Sam I began to worry about cooling, which is why I got MBM and then noticed the v-core thing on both being "high". Um, "Should I be worried?" is what I really want to know and what are the ranges and settings I should use/monitor?

[Geobronc]

I have a 1.33 and am clocking it to 1.53. I had to go to 1.89 in order to get stable. I am still testing stability. You will need a very good heatsink and fan. I would recommend the one I have.
Its a Thermalright SK-6 with a Delta fan. You can buy one here for $33 ! http://www.newegg.com/app/ViewProduct.asp?submit=manufactory&catalog=62&manufactory=1444

This is been the best bang for the buck for heatsink fan combo's

[GuNRocK]

hey man....i gota 1ghz 266 AXIA/Y tbird ....i am running at 1.85v dont be afraid to give it the juice when overclocking up to 2.2v is ok as far as i know any higher can be dangerous ......i got my cpu running at 1425mhz........9.5x150fsb my temp is like 58c......anything higher then 61C is HOT HOT HOT....under load....when testing stablity of your cpu ... i would recomend using Folding@home u can also help out our team and its a great stablity tester its allways using 100% of the cpu power. :)

[agsilva]

Thanks for the replies but I mean what should the default voltage be before I overclock? I understand that to get stability at higher clocks I might have to bump the voltage up, but...

this is a 1.33 chip and i think (this is my question), i think that the default voltage is supposed to be 1.75. BUT, my board is showing 1.82 using AUTO under v-core in the BIOS. That would mean extra heat that is unnecessary at this speed.

When I get around to overclocking I hope to get as high as you guys have :) .

Also I recognize that my Glaciator is not the premium solution for overclocking which is why I need to establish some safe temperature ranges. I got it to keep down the noise level but still allow a decent overclock.

GuNRock- what are you using to measure your temps? and when you say under load I take it to mean that the temps you gave were while running the protein folder? what are your temps playing games or just doing "ordinary" stuff? even though you are running a 1.0gig over to 1425 this would be good to know for me. - Thanks

[TC]

Mine defaults to 1.8 in the bios - and I thought it was 1.75 too.

[[OC]Lucifer]

45c and loads at 50c. I figure I am lucky anytime I hit a load temp at or slightly over 50c. :)

[guppie]

I hear ya! I thought that was strange as well, but didn't bother to post anything about it. There must be some small range of discrepancy between the BIOS vCore setting and the actual vCore, cuz both VIA Monitor and Sandra 2001 display the same reading of 1.70, but my BIOS is set at 1.65

I set my vCore to lowest possible setting to minimize heat, although it used to be on "auto" (default setting). So far I haven't had any problems and my temps are decent given the HSF I'm using. I haven't really tested with Prime 95 or SETI or anything else that puts major stress on CPU, but I have played Q3 or UT for an hour or so with WinAmp playing in background. I would imagine that those 2 programs running at the same time tend to strain the system somewhat, right.

Anyway, I wouldn't worry too much about the vCore as long as you can get stability at your desired OC. Afterall, once you get your OC speed, then you adjust vCore as low as stability permits... just my 2 cents

[oc jason]

That is normal i have the same chip AHYJA 1.33 and the Epox 8KHA and in BIOS defaulti s 1.75 and MBM reads 1.82 it will always read over for some reason. If you are not gonna overclock keep vcore at default, actually with a good PS you can drop it it 1.7v to save a few degrees amd still be stable. I am still at voce of 1.75 and am runing at 1.5ghz. As long as the PS 5v is ok than dont worry, if you plan to up the multiplier id go up 1 notch of vcore for every .5 you go up in multiplier. x10=1.750v x10.5=1775v x11=1.800v 11.5=1.825v X12+=1.8500 and so on till you need to do a voltmod