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ASUS Crosshair VI Extreme (AMD X370) Motherboard Review

By Steven Bassiri from Oct 5, 2017 @ 17:15 CDT
TweakTown Rating: 93%Manufacturer: ASUS

Crosshair VI Extreme Circuit Analysis Continued




ASUS is using a Realtek ALC1220 along with an ESS Sabre 9023P DAC which provide excellent sound output. A Texas Instruments RC4580 is used as a buffer for more stable voltage levels, Nichicon Gold series audio capacitors, a high precision clock source, and physical PCB division to improve audio quality.





An Intel i211AT is used as the GBit NIC, and a Realtek RT8822BE controller is used for the Wireless AC. I haven't really seen this wireless card used, but it's a wave 2 wireless AC device and supports MU-MIMO.




We find the integrated USB 3.1 from the chipset routed to what must be an ASMedia USB 3.1 re-driver, the ASM1562, and then to an ASM1543 type-C switch/CC logic chip, and then into the USB 3.1 internal header. The rear IO gets its USB 3.1 from an ASMedia ASM1142 that outputs to one type-A port and to a type-C port after going through an ASM1543 port. I am unsure why ASUS used the ASM1142 instead of the ASM1143, 2142, or 3142, as they are all more recent.




The ICS clock generators, the 9VRS4883BKLF and 9DB833AGILF provide the ability to change the PCI-E/base clock speed of the CPU. The BIOS chip near the 128Mbit BIOS ROM provides USB Bios Flashback technology to recover a corrupt BIOS.




The AURA chip provides RGB LED technology to control the RGB headers and some onboard RGBs. The STM32 chip is a microcontroller that provides digital/addressable RGB LED control technology for the header and some of the built-in RGB LEDs.




We find multiple ROG chips around the motherboard, and they provide functions such as improved fan control or monitoring, overclocking features, Keybot, and other ROG-exclusive features. There is also a chip labeled TPU, and that provide TPU features.




The super IO chip is the ITE 8665E, and it provides hardware monitoring, fan control, and some system management. The UTC 75232 chip is a driver and receiver IC that provides the COM port. The ASMedia ASM1480 we see above switch the CPU's bandwidth between the two top x16 slots and the M.2 slot, so you can have them operating at x16/x0/x0, x8/x8/x0, or x8/x4/x4(M.2).

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