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TYAN S7076 (Intel C612) Server Motherboard Review

By: Steven Bassiri | Motherboards in IT/Datacenter | Posted: Dec 31, 2015 12:05 am
TweakTown Rating: 91%Manufacturer: TYAN

Thermal Imaging




Under the thermal camera, it's obvious there are a few hot spots, but the highest temperature is only 50C as this mode looks for the highest temperature in the frame. The water-cooled CPU (top) also seems to do a much better job of also drawing heat away from the general area of the CPU.





There are a few hotspots that I zoomed into, and it is the ASpeed chip that is the server management controller and the Intel i350 NIC. The ASpeed chip is noticeably warmer, but it also is acting like the graphics processors for the system in this case. The PCH is also warm, but at 43C, it isn't a problem.




There is an IntelBurnTest synthetic load occurring at this point, and that is why the VRM is warm. However, heat is evenly distributed, and the heat sink seems to be drawing the heat upwards for the fan from the Dynatron cooler to cool down.


The image on the right is from the water-cooled CPU, which has no load applied to it. Notice that there is one inductor warmer than the rest, indicating the phase shedding is occurring to save power. Overall this motherboard performs very well under the thermal camera.



Remote Voltage Monitoring


I wanted to compare software readings from the remote monitoring (IPMI) to real voltages that I measured with a digital multimeter. I figured these results would be of use to network administrators because it's quite hard to measure these voltages when the motherboard is installed, plus the voltage read points are always different on each board (and you have to know where to find them).




The results are quite good, and it seems that TYAN has tuned the ASpeed chip to report a voltage always slightly higher than what is provided to components. Trigger points are set for when a voltage is too high or too low, but damage usually occurs when voltages are too high.


Voltages too low indicate failing power supplies. In this case the difference between the real voltage and reported voltage was not more than 2.07%, and that was on the PSU's 5v rail (software readings of main AC/DC PSU rail voltages is usually always off). Overall, these results are impressive.

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