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ASUS ROG Strix B450-I Gaming (AMD B450) Motherboard Review

By: Steven Bassiri | Socket AM4 in Motherboards | Posted: 6 days, 23 hours ago
TweakTown Rating: 92%Manufacturer: ASUS

ASUS Strix B450-I Gaming Circuit Analysis Continued

 

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The audio solution consists of a Realtek ALC1220 and the entire audio section is built into a daughterboard. We find two amplifiers, one is a SoundPlus OPA1688 and the other is an RC4580, it's possible that one is used as a pre-amp or that one amplifies voltage and the other current (as on more recent ASUS boards). We also get audio capacitors and illuminated audio jacks.

 

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The main NIC is an i211AT Gbit NIC from Intel and the second is a Realtek RTL8822 Wave-2 WIFI controller which is 2x2 867Mbps.

 

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The two Pericom PI3EQX re-drive two USB 3.1 signals from the chipset. The main SuperIO is the ITE8665E and the motherboard uses a 128Mbit ROM.

 

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A TPU chip is used to provide extra ROG functionality. A Texas Instruments SNx5DP159 turns the digital display signal from Raven Ridge CPUs into an HDMI 2.0b electrically compatible signal.

 

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A STMicro STM32F microcontroller handles the addressable RGB LED header and the addressable side LEDs. An Aura chip controls the RGB LED functionality of the RGB LED header.

 

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Two ASMedia ASM1480 switch x4 from the PCI-E slot to the rear M.2 slot.

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