trouble with CPU ratio in BIOS

blackjackel · Jun 15, 2003

alright, i own a 1200 athlon chip and am trying to overclock it, but i am getting weird results....

I am trying to mess with the CPU ratio, when set at 9 i get 1200 mhz...

when i set CPU ratio to 10 i get 1333mhz

if i set it to ANYTHING above 10 i get 1200 mhz again, why the hell?

i tried messing around with voltage but that didnt help, i am sorta new to this but my gut tells me i need to do that "unlock" thing where i take a pencil and doodle around on the chip....

edit: what even weirder is i tried playing around with the "Frequency 1mhz stepping" and got the following results:

133: 1333mhz (normal)
135: 1350mhz (normal)
137: 1370mhz (normal)
139: 1390mhz (normal)
140: 1260mhz (What the ?!?!?!?!?!!?!??????????)

OC Detective · Jun 15, 2003

Proabably reverting back to deafult because it is being overclocked too far? If you can get it to boot at 10 x 133 when the default is 9 x 133 suggests to me that it is already unlocked and no pencil work is required.

blackjackel · Jun 16, 2003

i updated the thread, look above..

7keys · Jun 16, 2003

what motherboard do you have, Asus?

OC Detective · Jun 16, 2003

So when you try and boot at 140 x 10 you get 140 x 9 - correct? Seems like it is booting up in a type of safe mode. Is there anything within the bios that prevents overclocking?

Glaze132 · Jun 16, 2003

I have something similar to what happens to you but it only happens when I go above 200MHz fsb my bios says that I have the multi I am using time a 133MHz fsb. Try multiplying by 10.5 and go into windows and run wcpuid or something similar and see if it says 1400Mhz or if it says 1200Mhz. When I do that I get the correct fsb and clockspeed. My Bios reports it incorrectly above 200Mhz.

blackjackel · Jun 16, 2003

soyo KT333 dragon lite:
http://www.soyousa.com/products/proddesc.php?id=58

blackjackel · Jun 16, 2003

I just noticed something, i just made it do 10X139 and it gave me 1200something, wtf? i just had 1390 with it....

so i change voltage from "Default" to 1.85 and restart and i get 1390, so do you think that my voltage is limiting me from increasing my mhz?

OC Detective · Jun 16, 2003

OK it confirms what I thought - it was being overclocked too far with the setup you had originally - the extra juice has made it stable. Seems your board rather than produce no post when overclocked too far reverts to a lower frequency.

blackjackel · Jun 16, 2003

well, the max overclock i can get is 1333mhz @ 10X133, it runs at 55 degrees idle and ~61 full load.....

i know those are HIGH HIGH HIGH temps but i figure there must be something wrong with my temp guages or something...

Ive been running that setup for over a year now without trouble, what do you think?

OC Detective · Jun 16, 2003

They are pretty high temps - are you using stock cooling? My guess is if you could get them temps down (assuming they are accurate) you could probably overclock further.

blackjackel · Jun 16, 2003

not stock, the heatsink is PURE copper, its a Coolmaster or Cooler master or something like that, it was rated as a good HSF (the best FRY's had) so i got it...

OC Detective · Jun 16, 2003

You can rate how good it is over here (assuming you know the model number).
http://www.overclockers.com/articles373/

trouble with CPU ratio in BIOS

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