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Thermal Diodes on 8K3A+ and XP Internal Diode

B

Bulldozer2003

Member
I have a few questions and some comments. Does anyone know where the system temperature sensor is located on the 8K3A+? I am having a hard time finding it.
Also, since the CPU temperature the board reports is from the internal Athlon XP diode, is there still a way to access the in-socket diode readings? I know MotherBoard Monitor offers a lot of choices for where it's sensors pull their readings. Does anyone know which board sensor might still display the socket temps? The choices in MBM are: Winbond 1, Winbond 1 2N3904, Winbond 1 Diode, Winbond 2, Winbond 2 2N3904, and Winbond 2 Diode. Setting the sensor to Winbond 2 causes my 8k3a to do an emergency overheat shutdown for some reason, has anyone else experienced that problem? I am also going to contact the author about that.
My current system temp. playing MP3's and writing this on an 1900+ is 49 CPU, 34 system. The reason I ask is because when I place a thermometer in my system it reads 87F, compared to 34C=93F.
 
where are you placing the external thermometer?

The 8k3a has an onboard "system-temp" thermometer near the PCI slots, so it will probably read a bit higher than wehre your thermometer is.

As far as accessing the socket-thermistor, i do not believe you can when you have an internal diode chip installed on the mb. Why would you want the socket-thermistor temp anyways?



MIke
 
I just got the 8K3A going and have a question that maybe you can answer Mikewarrior2.

When I had my 8K7A the bios and MBM temp would always show 5c less than my LCD thermal probe, but now with the 8K3A+ it is the exact opposite. I have the probe in the EXACT same spot on the chip. Is this normal?
 
Yes... the 8k7a is socket-thermistor, whereas the 8k3a/+ is internal diode.

and external side-thermistor, ala digidoc style, doesn't real full die temperature, rather 50-75% of die temp rise over ambient, so for your INt. Diode temp to be 5C higher than an external thermistor is totally normal.



Mike
 
Thanks Mike. It just threw me off guard a little. I have been busy with other stuff and not able to keep up with the way the newer boards are reading temps and all! Thanks again.
 
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