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BIOSTAR Z270GT8 Motherboard Review

By: Steven Bassiri | Socket LGA 1150/1151 in Motherboards | Posted: Apr 17, 2017 3:20 pm
TweakTown Rating: 92%Manufacturer: BIOSTAR

Z270GT8 Circuit Analysis Continued

 

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BIOSTAR is using the Realtek ALC1220 with two sense amplifiers and a few Chemi-Con audio grade capacitors. The PCB is also physically isolated to protect the audio output channels from interference from the rest of the motherboard.

 

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Intel's i219v PHY is used to compliment the integrated MAC in the PCH to produce a 1Gbit Intel NIC. Biostar also implemented SUPER LAN anti-ESD/surge protection for the NIC. ASMedia's ASM2142 USB 3.1 controller is used to provide the USB 3.1 type-C and type-A ports on the rear IO panel. ASMedia's ASM1543 controls the type-C port.

 

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HDMI 2.0 isn't native to the platform, so Biostar uses a Mega Chips MCDP2800BB HDMI 2.0 chip to provide HDMI 2.0. An ELAN eKTF58832 controls the touch panel, and I believe it also controls the RGB LED capabilities of the motherboard.

 

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An ASMedia ASM1061 produces two extra SATA6Gb/s ports. Biostar's Lightning Charger capability actually requires the implementation of extra hardware. Two AX3116 offer the USB 3.0 header the ability to charge devices at 12v/1.5A (QC2.0), 5v/2.4A (Apple), and BC 1.2.

 

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I was surprised to find two ASMedia ASM1464 re-drivers that improve M.2 signal quality. Two USB re-drivers are used for the Lightning Charger USB 3.0 internal header so that signal quality is solid even with longer USB 3.0 cables.

 

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An IDT6V41542NLG clock buffer is used to improve BCLK overclocking margins. The main SuperIO is the ITE IT8625E, which offers PS/2, HW monitoring, and fan control.

 

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The motherboard utilizes six ASM1480 to switch around the CPU's PCI-E bandwidth, and more than eight others to switch around U.2 and PCI-E bandwidth from the PCH.

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