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ASRock Fatal1ty X99 Pro Gaming i7 Motherboard Review

By: Steven Bassiri | Socket LGA 2011 in Motherboards | Posted: Aug 9, 2016 4:48 pm
TweakTown Rating: 91%Manufacturer: ASRock

Circuit Analysis

 

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The PCB silkscreen is unique, and I like how ASRock has smoothened out most of the front facing PCB by moving many components to the rear of the PCB.

 

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The main CPU VRM is made up of 12 phases. Each phase uses a 60A inductor, and the output capacitor bank contains ASRock's gold 12K capacitors. The PWM controller is an Intersil hybrid digital ISL6379 six phase model.

 

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ASRock is using Fairchild Semiconductor FDMS3660S PowerTrench Power Stages that contain both the high-side and low-side MOSFETs. On the back of the PCB are six Intersil ISL6611A doubler/dual driver units that take the six PWM channels from the PWM controller and double them to twelve.

 

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Each memory VRM uses a UPI UP1674P analog PWM, two Fairchild FDMS3660s, and a few 12K gold polymer capacitors.

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