Re: About the Asus F2A85 temperature sensor (it8603e)

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P.S. I have reason to believe that the it87 device we are talking about is
actually an emulation running on an 8051 co-processor, specifically the EC
(Embedded Controller) in the AMD A85 Hudson chipset. The it87 emulation is
poorly written in the 8051 code and can result in unexpected effects -- bugs.
I have specifically seen the sensor stop updating (as if it just stopped
sampling values).

No, the chip is real, just look to the corner near audio connectors ;) The chip is derivate of IT8728 it seems. It has lower pin count and lower number of features. There are just two input temperatures and 3 fan inputs/pwms. Voltages are all there. It looks like the voltages have fixed functions for inputs because they are also used in the voltage under/over voltage protections.

I'm tempted to treat this chip as IT8728F. Does anyone have a datasheet of IT8728F?

Thanks
Rudolf

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