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Maximus VIII Hero Voltage Read Point Guide

post #1 of 6
Thread Starter 
Maximus VIII Hero Voltage Read Point Guide


Like predecessors before Haswell, VDroop is back due to the lack of the loathed FIVR. Along with the removal of Cache voltage, overclocking Skylake can be a bit troublesome when encountering a stability issue with the CPU. LLC will only take you so far to ensure VDroop doesn't cause a varying margin of error in a particular bench like effeciency in XTU. The key to mastering the Z170 chipset is measuring voltages accurately with a digital multimeter(DMM).

If you were like me and jumped onto the Skylake bandwagon and bought the cheapest ASUS ROG Series motherboard only to discover it doesn't have voltage read points, you no longer have to struggle finding them.

This isn't a comprehensive guide for all the voltage readings however, I found all the most basic and most important ones and will expand more as I discover them:

CPU Vcore
VCCIO
VCCSA(System Agent)
DRAM*
PCH Voltage

*I found the DRAM voltages for each channel but haven't figured out which ones are CHA/CHB yet.

So without further adieu..



Each voltage point is the top of the inductor and can easily be accessed without flipping the board. I used hot glue to secure wires to the points for readouts without voiding my warranty with soldering.

Enjoy!
post #2 of 6
Do you have a picture how you've done this and can this be done without hot glue, using just the DMM safely? eg. flipping the board over gets those readings but slipping your hands and touching a naughty spot makes your CPU see 00 very fast!
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Just a 'puter
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post #3 of 6
Thread Starter 
Im working on getting a computer case to get good pictures and hopefully a video. Its difficult with my current setup to get the pictures as I struggled to even get readings without breaking a PCI slot with the board inverted.
post #4 of 6
You should use output capacitors instead of inductors, they can be closer to the real output.
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X99 Main Rig
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post #5 of 6
Hello

Measuring voltages implies a desire for accurate values. These reading should be taken at the input of the component under test or as Sin wrote above at the cap as a second best option.
post #6 of 6
Quote:
The key to mastering the Z170 chipset is measuring voltages accurately with a digital multimeter(DMM).

Waste of time, sensor voltages are accurate enough IMO. But that's only my conclusion after actually measuring at voltage test points using a DMM.
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