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On an older machine, the GA-EP45-UD3P motherboard has a Super IO chip
that transmits fan speed information via a it87 driver. But on a new machine using the H97-D3H the chip has changed and I no longer can get fan speeds. What is the new chip and driver? Haines Brown |
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Haines Brown wrote:
On an older machine, the GA-EP45-UD3P motherboard has a Super IO chip that transmits fan speed information via a it87 driver. But on a new machine using the H97-D3H the chip has changed and I no longer can get fan speeds. What is the new chip and driver? Haines Brown It could be IT8620E. I'm at the limits of magnification here, and I still can't make it out clearly. The second picture shows an example of what the font should look like on the chip. http://content.hwigroup.net/images/p...yte_h97d3h.jpg http://gif.datasheetbank.com/image/ITE/IT8620E.gif What I did, is go through the list here, for some string values to compare against the picture. And that was the closest match. http://lm-sensors.org/wiki/Devices IT8620E (LPC bus) (2014-03-16) One request (Kertesz Laszlo). No datasheet. We had a report that the chip is somewhat compatible with the IT8728F for the hardware monitoring part. Be very careful with fan control as it wasn't tested. So you can try loading the it87 driver with force_id=0x8728 and see how it goes. If you do, please report! Someone tries it here. http://www.spinics.net/lists/lm-sensors/msg42424.html "I have a new Gigabyte Z97X-UD5H motherboard that has the ITE 8620E chip. I see on the wiki/Devices site that there is no driver for it. The notes state that you can try loading the it87 module with the force_id=0x8728 option. I can confirm that this did succeed and sensors reports voltages and fan speeds. I don't know if fan speed control works." The chip should be visible on the motherboard, for you to verify. It is the large square chip, just down from the audio connectors, and near the audio trace path lighting section (where they try to prevent digital tracks from running next to the microphone input track etc). HTH, Paul |
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