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ASUS ROG Crosshair VIII Formula (AMD X570) Motherboard Review (Page 4)

Steven Bassiri | Sep 11, 2019 at 05:06 am CDT - 2 mins, 5 secs reading time for this page
Rating: 95%Manufacturer: ASUSModel: CROSSHAIR VIII FORMULA

Crosshair VIII Formula Circuit Analysis Continued

ASUS ROG Crosshair VIII Formula (AMD X570) Motherboard Review 22 | TweakTown.com

Audio hardware includes a Realtek ALC1220 along with an ESS SABRE ESS9023 DAC to improve audio output. ASUS also added in some gold series audio capacitors, a DC anti-thump circuit, and a Texas Instruments RC4580 amplifier to improve audio quality.

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Normal Gbit LAN comes from an i211AT Intel NIC, but there is also a 5Gbit NBase-T controller from Aquantia, the AQC111C. We saw this same AQC111 chip on the Maximus XI Formula.

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There are four Pericom PI3EQX USB 3.1 (10Gbps) near the rear IO panel, we find that there are also two ASM1543 type-C controllers, although we aren't sure why. You only need one ASM1543 for one type-C port, but this motherboard only has one on the rear IO panel.

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An ASMedia ASm1074 can be found near the rear IO and it is used as a USB 3.0 hub to support the four rear USB 3.0 ports. A GL525G is also found on the motherboard and it provides the two USB 2.0 internal headers.

ASUS ROG Crosshair VIII Formula (AMD X570) Motherboard Review 29 | TweakTown.comASUS ROG Crosshair VIII Formula (AMD X570) Motherboard Review 30 | TweakTown.com

ASUS's iconic custom BIOS chip is found on the motherboard, which provides their USB Flashback technology. ASUS decided to up their game and implemented a 256Mbit (32MB) BIOS ROM so that CPU support will easily be achievable down the line, as AMD's BIOS size will increase over the typical 16MB standard. We find a whole lot of Pericom PI3EQX16 PCI-E 4.0 re-drivers, six to be exact, which are capable of improving the signal of 12 PCI-E 4.0 lanes.

We only expected four for the x8 between the first and second PCI-E slots, but it looks like ASUS decided to add in two extra for the M.2 slot that utilizes CPU PCI-E lanes since the M.2 slot is a bit further down on this motherboard than on others. Two clock generators help PCI-E 4.0 clocking as well. We find four Pericom PI3DBS PCI-E 4.0 quick switches that move x8 PCI-E 4.0 between the first and second x16 slots.

ASUS ROG Crosshair VIII Formula (AMD X570) Motherboard Review 31 | TweakTown.comASUS ROG Crosshair VIII Formula (AMD X570) Motherboard Review 32 | TweakTown.com

The main SuperIO is the nuvoton NCT6798D, and it provides fan control and support. A separate chip labeled TPU helps expand GPIO for fan control and other custom features of the motherboard.

ASUS ROG Crosshair VIII Formula (AMD X570) Motherboard Review 33 | TweakTown.comASUS ROG Crosshair VIII Formula (AMD X570) Motherboard Review 34 | TweakTown.com

A chip labeled STM32 is the common microcontroller found on ASUS motherboard to provide the special OLED function. An AURA chip is also found on the motherboard and it provides RGB LED support.

Last updated: Nov 15, 2019 at 01:16 pm CST

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Steven Bassiri

ABOUT THE AUTHOR - Steven Bassiri

Steven went from a fledgling forum reader in 2003 to one of the internet's brightest tech stars by 2010. Armed with an information systems degree, a deep understanding of circuitry, and a passion for tech, Steven (handle Sin0822) enjoys sharing his deep knowledge with others. Steven details products down to the component level to highlight seldom explained, and often misunderstood architectures. Steven is also a highly decorated overclocker with several world records.

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