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GIGABYTE X299 AORUS Gaming 7 Motherboard Review (Page 4)

By: Steven Bassiri from Jul 24, 2017 @ 23:35 CDT
TweakTown Rating: 93%Manufacturer: GIGABYTE

X299-AORUS Gaming 7 Circuit Analysis Continued


The Realtek ALC1220 implementation is not as extreme as on the Gaming 9, but it's still upgraded. The ESS Sabre ES9016 121dB DAC is used to enhance output. A Texas Instruments LME49720 dual operational amplifier is used to improve overall power. We don't see the fancy amps and preamps we did on the Gaming 9, and we also lose the NEC relay for de-pop. WIMA film capacitors and Nichicon Gold series electrolytics are used in the filter stage.


We get both an i219v and an e2500 from Killer. Killer's wireless AC 1535 is used and provides up to 867Mbps of Wi-Fi bandwidth.


Two ASMedia ASM3142 controllers are used on the motherboard; one for the rear and one for the front. They both get 16Gbps of bandwidth from two PCI-E 3.0 lanes. A small Texas Instruments switch provides the type-C on the rear.


The Realtek RTS5411 chip is a USB 3.0 hub; I assume it takes a single USB 3.0 port and routes it into three, while a single USB 3.0 port is normally routed for four USB 3.0 ports on the IO panel. The Realtek RTS5423 takes in a single USB 3.1 port and outputs to four.


Three IT8295FN are located on the motherboard and provide the digital RGB LED functionality and header. They are a new chip, first found on GIGABYTE X299 motherboards.


I found eight NXP DBTL08GP053, which can take multiple inputs and route to multiple outputs. They even support two crossbar ports, but generally, they act as replacements for the traditional quick switches we see on motherboards. They are expensive and high-bandwidth and are used because of the X299 platform's crazy PCI-E layout. An IT8951E is used to provide USB BIOS Flashback and recovery.


The main SuperIO is the IT8686E; it supports hardware monitoring and the PS/2 on the rear IO panel. An ICS6V41742A clock generator can also be found onboard.


An ITE IT8795E is used to expand fan control operations, and the motherboard offers dual 128Mbit/16MB BIOS ROMs, one of which is hidden under a PCI-E slot.

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