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MSI X470 Gaming M7 AC (AMD X470) Motherboard Review

By: Steven Bassiri | Socket AM4 in Motherboards | Posted: Jul 20, 2018 3:00 pm
TweakTown Rating: 91%Manufacturer: MSI

X470 Gaming M7 AC Circuit Analysis Continued

 

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The audio section uses the Realtek ALC1220 and uses an amplifier, the Texas Instruments OPA1652 to add amplification to the front panel output as the rear output uses the integrated amplifier in the ALC1220. We find a bunch of Gold series audio capacitors as well as physical PCB division used to improve audio quality.

 

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The Killer e2500 us used for the 1Gbit NIC, and Wireless AC is provided by the Intel 8265NGW card.

 

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An ASMedia ASM1143 is used for internal USB 3.1. The rear IO utilizes two ASMedia ASM1562 re-drivers for the integrated USB 3.1, and an ASM1543 for the type-C switch and CC logic chip.

 

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We find an ASMedia ASM1543 used for the internal type-C header. A nuvoton NCT5605Y is used along with other Nuvoton chips to expand fan control. The chip labeled "104GFA" is a microcontroller used to produce the addressable RGB LED features found on the motherboard.

 

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We find two clock generators on the motherboard, the ICS 9DB433AGLF, which seems to reinforce the base clock at 100MHz, and the 9FGL1216AGLF, which seems to increase reference clock overclocking capabilities.

 

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The motherboard uses a single 128Mbit BIOS ROM, but it also offers USB BIOS recovery, which seems to be made possible through the chip labeled "504N". The main SuperIO on the motherboard is the NuvoTon NCT6795D, and it provides PS/2, system monitoring, and fan control.

 

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We find multiple ASMedia ASM1480 PCI-E quick switches that move around PCI-E bandwidth.

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