overclocking a k6-2 dont laugh

[xanthan]

i am using an old k6-2 system for folding, its an msi 5169 mb with a k6-2 450@550 2.3 volts 5.5x100. a buddy gave me a huge socket 7 heatsink with duel fans (had to move power supply to fit it in there hehe) after installing the new fans/heatsink i tried runing it at 600 at 2.4 volts but was getting the lil this program has caused an error or whatever. do i need to raise the voltage more ? or will it jsut not do it ?

any suggestions much appreciated.

thx, Xan

[Paul -The Mad Hatter]

Originally posted by xanthan
i am using an old k6-2 system for folding, its an msi 5169 mb with a k6-2 450@550 2.3 volts 5.5x100. a buddy gave me a huge socket 7 heatsink with duel fans (had to move power supply to fit it in there hehe) after installing the new fans/heatsink i tried runing it at 600 at 2.4 volts but was getting the lil this program has caused an error or whatever. do i need to raise the voltage more ? or will it jsut not do it ?

any suggestions much appreciated.

thx, Xan

what program? raising the vcore might help and by the way thats a nice oc for a k6-2

[xanthan]

doh the errors were occuring while i was just checking my mail and checking the boards at a few sites. it runs perfect at 550 so i was thinking with the new cooling 600 should be doable...

i know its really not worth the time but heck its fun to mess around with and if i burn it up its not a big loss hehe.

also having a problem with my wifes celeron 700, tried 80x10.5 and it ran great and sandra worked fine but then i noticed the sound card wouldnt work anymore. pci bus to high ?

thx, Xan.

[eobard]

600 is unlikely in a 450 chip but putting a bigger sink on it is a step in the right direction. FRANK got his K6 over the 600 mark with a Athalon heatsink / fan. I de-capped my chip and put a lapped copper coin between the sink and core to get mine to 560mhz. I've the MSI 5184 but the board came with a cd that had, among other things, copies of manuals for many MSI boards from that time. According to my manual for your board you can't raise the fsb over 100, is that true? If not then I suggest lowering your multiple by .5 and upping your fsb to 112. Thats what I did to get my chip from 550 to 560 and it was an all around increase. Check the posts in the AMD cpu area from the last month, there were about a dozen people wanting to overclock their K6's back then and everything is covered in detail in those posts. Without reading all of those posts I will say that I've got my chip at 2.5v without any problems and it's been like that for a while. I've had it at 2.6 for a while even. I wouldn't be too concerned about raising it up to 2.6 or maybe even 2.7 but thats my personal limit.

Good luck.

[xanthan]

sadly i cant raise the fsb above 100 :( ill try 2.5 v maybe that will make it mroe stable.

thx, Xan

[GuNRocK]

hey i have this guy on icq that also has a K6 i think his is 400mhz and by accident he had it running at 2.9v for like 2 days LOL and it was fine..i would take it eazy when doing that and slowly go up...maby his chip is good and able to take the voltage...i personnaly dont have K6 chip so i dont know the defualt voltage or anything like taht but 2.9v is possible and stable is all i can say.:)

[eobard]

Either that guy has water cooling or he got very lucky! 2.8 is scorching hot on a K6.

[SickBoy]

My K6-2 needed 2.8 volts on my Epox MVP3G2 to do 560 MHz.... it was ok with an Intel HSF (the one that came with cCO P!!!)

600 MHz on a non + chip is dang good. I have a friend who has a Vantec socket A HSF and he only runs his K63+ 450 at 550.

SickBoy

[xanthan]

Woot it works at 6x100 2.6 volts, stable so far hehe

this new duel fan and huge heatsink works great !!

[Len]

My old K6-2 533 did 560 (112 x 5) at default 2.2v with a Golden orb cooler but getting it to 600 (100 x 6) needed 2.8v and it ran REALLY hot. However, 560 and 600 were very similar in gaming performance because of the higher FSB at 560 so there was no real point in pushing it to 600 Mhz. I had trouble with it at 616 (112 x 5.5). I was thinking of putting my Glaciator on it and see what it would do. I remember changing the CPU cooler from a small generic cooler to the GORB made a big difference in overclockability. The Glaciator is WAY better than the GORB so it would be an interesting test.

[Paul -The Mad Hatter]

I also ran my brothers k6-2 333 @ 2.8v got it too boot at 5.5x100. the default for the cip was like 1.9v. man that was crazy

[eobard]

Come February I'm thinking I'll strip my machine down to and isa video card and isa hard drive controller, put in 133 memory and set it to 2.0 (6.0) X 133mhz to see if it will boot 800 without any pci or agp or memory problems. This test will be performed out on my balcony of course, free refridgeration!

[xanthan]

well my k6-2 450@600 is a failure i guess....

it ran great in sisoft sandra and regular windows stuff/internet but 3D games crash once in awhile :(

back at 550 for good i suppose hehe

[eobard]

You put some kind of thermal compound between the cap on the chip and the bottom of the sink right? If not then you should, it will help lower your temps and may allow you to have 600 stable. You could also take off the cap from the chip, that's what got me to 560, and don't forget to lap your sink.

[demon-eater]

i tried to over clock my k6 which im currently using at the moment a few weeks ago but to no avail windows kept telling me that i had a error and had to restart i took my chip all the way up to 3.4 just to try and do 550mhz its a 500mhz... and it did get hot 160F i was scared but its still working so i don't care

[xanthan]

yes i used artic silver, really disapointing because a buddy gave me a heatsink that is like 4 times the size of the stock amd one and it has duel fans on it which are each about 20% bigger then the single one it came with.

guess i shouldnt complain, a 450@550 is not bad i supppose hehe

[eobard]

Originally posted by xanthan
guess i shouldnt complain, a 450@550 is not bad i supppose hehe

Better than average, just look at the chip database from the main page.

[eobard]

Originally posted by demon-eater
i took my chip all the way up to 3.4

3.4?!!! 3.4?!!! Geez, call the fire department on that one! Unless you had a water block on it I'm amazed it didn't burst into flames!

[demon-eater]

um yes.. so i found out later that 3.4 is kinda high

[eobard]

I've heard the C.N. Tower is kinda high too. ;)
Seriously though there are things you can do to improve your overclocking odds, you might want to pick through old K6 threads for some ideas. If my 450 runs 560 stable, 600 quasi-stable then your 500 should get 550.

[FRANK]

Good job so far.

First of all as "EOBARD" suggested, check the threads from the last couple of weeks, there was a lot of interest in these chips and a lot of discussion concerning overclocking them.

As far as the voltage, I think that you can go to 2.7 provided that you have adequate cooling.

I would also consider "EOBARDS" modification and remove the metal cap from the core and see if that will get you what you need.

If all else fails maybe if you wait a couple of months when the weather turns and you get a break in the temp department, I see a big difference when the temps drop a bit.

God Luck!

[xanthan]

how do you take the cap off the cpu ?

i have not tried over 2.6 volts, think i should go higher ? and do you think the cooling i described would be enough if i do up the voltage ?

thanks, Xan

[Paul -The Mad Hatter]

you carefully pry each corner off. seperating the epoxy and cap, becareful on this!!

yaeh what you have proly should be find.

[eobard]

Originally posted by Paul -The Mad Hatter
you carefully pry each corner off. seperating the epoxy and cap, becareful on this!!


Double absolutely! CAREFULLY pry off the CORNERS. I dug straight through the epoxy to the center of the chip and wound up gouging my core. Luckily the damage was superficial! Here's a drawing of a de-capped chip so you know what your dealing with.