Additional NB Cooling?

AKM880

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Apr 16, 2009
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I have a Biostar P4M900-M4, SpeedFan reads the temps as this:

IT8718 - (Pretty sure this is the CPU) - 28C on load with 400Mhz+ OC
ACPI - 16C (Temp Never Changes)
IT8718 (Don't know what this is maybe its the Northbrige temp) (Also stays at the temp neer changes) - 127C

This is my board - http://www.newegg.com/Product/Product.aspx?Item=N82E16813138079

From the reiews alot say that the NB tends to overheat to 100C+, its it worth it to add on a additional NB fan? Thanks.