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GIGABYTE Z390 Aorus Master (Intel Z390) Motherboard Review (Page 4)

By Steven Bassiri from Oct 22, 2018 @ 10:00 CDT
TweakTown Rating: 92%Manufacturer: GIGABYTE

Z390 Aorus Master Circuit Analysis Continued


The audio solution consists of a Realtek ALC1220 rated up to 120dB and supports an integrated headphone AMP. However, that wasn't enough for GIGABYTE, the went and added an ESS Sabre 9118 DAC with 125dB SNR, and they added Gold series capacitors and WIMA film capacitors.


We get an i219v PHY for the Gbit LAN. All four of the rear IO panel USB 3.1 ports have a PI3EQX re-driver, and the type-C port uses a Texas Instruments HD3220 type-C controller.


The GL883A is the controller that handles Quick Charge 3.0 and Apple Fast charge, and it's part of the USB TurboCharger feature on the motherboard and includes two step up converters from MPS. The main SuperIO is the ITE8688E, and it handles most IO functions.


The IDT 6V41630 is the main clock generator that allows for BCLK tuning. The ITE 8297FN is the chip responsible for RGB LED control, more importantly, digital RGB LED control.


The ITE IT8795E is used to expand fan control across the motherboard. We find the DAC-UP 2 hardware near a GL8505 USB 2.0 hub used for the rear USB 2.0 ports.


Another GL8505 hub is found near the two internal USB 2.0 ports. One BIOS ROM sits in a DIP socket while the other 128Mbit ROM is soldered to the motherboard.


We find many quick switches used to switch around bandwidth around the motherboard, and to allow for the M.2 slot that shares with the SATA6Gb/s to operate in x2 mode when the SATA ports are used, a secondary NXP switch was brought into the fold. An ASMedia ASM1442K is used as the level shifter to provide HDMI.

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