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1.2 (266) athlon on kt7-raid

Y

Yaotl

Senior member
i'm not at my comp right now, but i know there is a fsb setting of 134/something. if i bought the abovementioned cpu, will i be able to use this fsb setting or would i have to run it at 1.2 (200)? and if so would i even be able to run the cpu at that multiplier since it wasn't made for it?
 
The thing that limits the FSB on the KT7R is that the ram and PCI buses increase as well(even using the incremental 1mhz FSB option)therefore, to run at 133 FSB you will be putting to much stress on most PCI cards. The ram isn't an issue because if you can't O/C it that far you can just set it at host clock(instead of host+pci) As to can you run it with the 12x100 instead of 9x133, the answer's yes. The KT7R is an excellent overclocker and I've managed 115 FSBx9+=1035(stable) using a 800 duron before. So, play with the FSB and multiplier until you,ve found the combo that runs the fastest and most stable for you. Have fun tweaking brudda.
 
Notice how the FSB@133 makes the pci bus 44mhz? The default is approx. 33mhz. that means your sound card, modem,lan,raid controllers or any thing else you have in the pci slots has to be able to deal with the extra juice and some do but most won't.
 
its even more then just the pci being out of spec

kt7 is based on the via kt133 chipset
the via kt133 chipset is well known for not being very overclockable, about the highest ive ever seen one get is 115mhz fsb
more realistically you will probably only be able to overclock the fsb between 105-110mhz
 


<< Notice how the FSB@133 makes the pci bus 44mhz? The default is approx. 33mhz. that means your sound card, modem,lan,raid controllers or any thing else you have in the pci slots has to be able to deal with the extra juice and some do but most won't. >>



but notice the 136/34 setting, the cpu should be able to handle the slight overclock correct?
 
In the pic it shows a mobo that has the PCI divider 1/4. Thats why it shows FSB 136 Mhz/PCI 34 Mhz. I dont know if ur mobo has the 1/4 divider, I think its just 1/3 PCI divider.
Thats what Dapunisher said, the 133 Mhz FSB and 44 Mhz PCI.

Raf
 
Have you tried to OC ur system to over 110 Mhz FSB?
It might show on the SOFTMENU III, but not necessarly will hit that frequency.
The highest I´ve ever seen on KT133 mobo is 115 Mhz like Boonesmi.
It might worth a try to run at 133 Mhz, the worst it could happen its ur system not to POST.

Good luck!

Raf
 
i can't do it with this cpu, it's only a 750 (200). i don't want to buy a cpu that i can't use to its full potential. i'm so close to just breaking down and ordering one. i need either some concrete evidence it'll work or that it won't
 
I see ur drama.
Would be good to talk with someone that has the same mobo, or mobo based on KT133 chipset. Cant remember right now whos been using a KT133 based mobo.
But you would have to run the CPU at 1.2 Ghz 200 Mhz FSB, changing the multiplier. Just making sure to get a unlocked cpu. Thats the worst that could happen.

Good luck!

Raf
 
think it would have to be the same exact mobo. i don't know anyone with it. could i even run it as 1.2 (200) if it isn't made to run that way? hell with it, i'll sleep on it and maybe just buy the damn cpu tomorrow.
 
Yes you can run a 1.2 Ghz 266 Mhz, on ur mobo. Just gonna run at 1.2 Ghz 200 Mhz using the multiplier on 12x.
Since 133 Mhz x 9 = 1.2 Ghz, you will do 100 Mhz x 12 - 1.2 Ghz. Thats the only difference.
I think DAPUNISHER has the same mobo, you may try contact him and ask.

Raf
 
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