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Tekram P6B40 4X(CHIPSET BX) and fsb options in bios

Posted: Tue Feb 20, 2007 7:45 am
by GATOHUMANO
Is it possible to add more mhz options in the fsb options?how can i do that?i have a p3 650mhz runing at 866mhz,133mhz fsb but i want to test at more mhz,thanks.

Posted: Thu Mar 01, 2007 11:47 pm
by edwin
No options. 133 is the absolute maximum for the 440BX chipset, even the later ones. It was designed for 100MHz maximum so you already got a 33% overclock anyway

Posted: Fri Mar 02, 2007 10:48 am
by apple_rom
Is it possible to add more mhz options in the fsb options?how can i do that?i have a p3 650mhz runing at 866mhz,133mhz fsb but i want to test at more mhz,thanks.
Maximum FSB for i440BX limited by AGP video and/or memory. For good DIMM sticks and videocards (which run at AGP higher 83MHz -> 100MHz and more) is real to work (with good stability) upto 150-155MHz FSB.
But clocker on your MB simpy not support FSB not more than 133MHz physically.
p.s. some P3-650 can overclocked upto 180MHz FSB and more (my record is 182MHz :) ), but for this requered Abit mobos on i440BX.

Posted: Fri Mar 02, 2007 11:49 am
by cp
actually it only depends on the PLL (and on the quality of the chipset ofcourse ;)) which FSBs are available. if you really want to know what's supported get a datasheet on your PLL. all of the modern PLLs can be set via SMBus btw.