I have just built a new system using a Gigabyte K7 Triton400 GA-7VA with a Via KT400 chipset and an Athlon 2600XP(2.133GHz).On startup the POST reports a 1250MHz processor and when I ran SISoftSandra it reported Duron M8/MP&Athlon4/MP/XP (Thoroughbred) 1.5G + 1.65v Multiplier12.5x.Speed 1.28GHz. I'm quite new to all this so, have I set a jumper wrongly or have I been ripped off?
Rtus is right, the amd xp2600+ runs a FSB of 166mhz, you need to set your bios to 166,
the motherboard is shipped set by default to 100mhz, that is so people who use Durons do not fry them by mistake.
just alter the setting in the bios for cpu/memory speed to 166/166(as long as you have 333mhz DDR 2700 or above) if you have 2100 ddr(266mhz) then you will have to set the memory to 133, so that would be 166/133 or even 133/133 but to get the full benefit of your processor, you need 333mhz memory