restoring the fsb

[flava flav]

hi all,great board by the way,,very informative.i have a pIII 500megahertz proc.,128megs of ram, da dah da....I was screwing around last year and overclocked my comp to 115,,i know its not much ,,but i was just seeing if it would work,,i recently got a peice of hardware thats conflicting from the overclock... i need to get my fsb back down to 100,,,,instead of 103.. i forget how ,,i have a m6tba(biostar)mobo and i440chipset,,,,my board is not listed in softfsb,,,is there one maybe compatible in the list with my board....please help thx

[WillysNut]

Okay...here we go...your gonna have to open your case and get at your motherboard. Be sure you remove the plug from the power supply.

You need to find Jumpers 4 and 10. There should be a small white label near the pins that says JP4 or JP10.

On JP4 your pins should be set from left to right:
Open, Open, Open, Open. (there should be no plastic connectors covering any pins)

On JP10 your single pin should be closed (should have a plastic connector covering both pins)

I looked at the schematic and couldn't locate JP10 but drawing's aren't always right. Check around, see if you can find the pins.

Here's the website w/ the pin settings...you should print it out and save it!!
Good Luck :)

http://biostar-usa.com/museum/MBManuals/M6TBA/Manual_M6TBA.htm

[WillysNut]

Correction:

On JP4:
Open, Closed, Open, Open


Sorry!!! :(

[flava flav]

ok,,,,i screwed around with the jumpers already ,,from my manual,,,,,but i cant find jumper 10 anywhere,,,and my board is vers.1.3 j4 has 10 pins,,,====5 rows,,,you mentioned only 4 rows....huh?

[flava flav]

ok,,,i tried leaving the plastic jumpers off,,with the setup as open(2+1),closed, open, open, closed(10+9) 2+1 being the bottom row of pins,,, Well,,the computer read still cpu 515 103 x 5.0 at the startup,,,,,it didnt make it to the windows,,instead blue screen of death!!!! now,,,i put the plastic jumpers halfway on with the same setup as i originally had it,,,,and it booted up the same read out but this time made it to windows...so im back where i started again,,im pretty sure i didnt change the jumpers before to o/c it. Plus,,arent there multiplier locks that prevent o/c ing the fsb.....thats why you have to go through the bios??

[outhouse]

the multiplier and FSB work together since the muliplier is locked upping the FSB is the only way to overclock correctly instead of cloking back down why dont you tell us whats going on and maybe we can help you to overcome your problems and then your PC will be faster?

[flava flav]

Can you guys see the my original post. and the following responses??/well if nothi all,great board by the way,,very informative.i have a pIII 500megahertz proc.,128megs of ram, da dah da....I was screwing around last year and overclocked my comp to 115,,i know its not much ,,but i was just seeing if it would work,,i recently got a peice of hardware thats conflicting from the overclock... i need to get my fsb back down to 100,,,,instead of 103.. i forget how ,,i have a m6tba(biostar)mobo and i440chipset,,,,my board is not listed in softfsb,,,is there one maybe compatible in the list with my board....please help thx

[Placid]

If you set the bios cpu detect to auto if your baord has that it should go to 100.
If you have jumpers then you will need to set them for 100fsb.
I really wonder thou what you could have installed that can't run 5mhz over spec (pci-isa).
If its a agp video card then you would want to set your agp to 2/3 as even 100mhz is alot.

Sorry no idea about a soft fsb program that will work with your motherboad.

[flava flav]

its a promise ide controller card,,,,,the fsb is 103 ,,,515 megahertz

[Placid]

I am using a promise ultra 100 right now at 146fsb with 1/4 pci divider so its running at 36.5mhz.
Your pci divider should be running 1/3 the fsb-103 so the card is running at 34.3mhz.
It should not be giving you problems at that speed thats only 1.3mhz higher than 33mhz.
I would look at another possible reason for your problem or the card may be defective.

[flava flav]

ill put the card back in tonight and see what happens. thx for the info

[Placid]

When you do try disabling the onboard ide controller in the bios. You dont have to keep it that way but if it works ok with the onboard disabled and has problems with it enabled then that would suggest a irq conflict or irq routing problem.
Goodluck.