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ASROCK X399M TAICHI (AMD X399) Motherboard Review

By: Steven Bassiri | Socket TR4 Threadripper in Motherboards | Posted: Feb 28, 2018 4:00 am
TweakTown Rating: 94%Manufacturer: AMD

X399M TAICHI Circuit Analysis Continued

 

 

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The Realtek ALC1220 is used as the audio codec and offers 120dB output on an amplified rail. ASROCK adds in a Texas Instruments NE5532 amplifier for the front panel output since the rear output uses the integrated amplifier inside the codec. Nichicon audio capacitors are used to improve audio quality.

 

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Two Intel i211AT Gbit NICs provide the dual Gbit LAN ports on the rear IO. WIFI is provided by the Intel Wireless-AC 3168NGW M.2 controller.

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Each of the USB 3.1 ports gets its bandwidth from the FCH, and each gets a Pericom PI3EQX re-driver, and the type-C port uses an ASMedia ASM1543 type-C switch and CC logic chip. Two ASMedia ASM1480 move x4 PCI-E 3.0 between M2_1 (between the first and second PCI-E slots) and the U.2 port.

 

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A chip labeled Flash-Back provides USB BIOS recovery to the single 128Mbit/16MB BIOS ROM.

 

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The main SuperIO is the Nuvoton NCT6779D, and it provides fan control, PS/2 on the rear IO panel, and system monitoring. The Nuvoton N76E885AT20 is in charge of the RGB LED header and built-in RGB LEDs.

 

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