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ASRock Z170 OC Formula (Intel Z170) Motherboard Review

By: Steven Bassiri | Socket LGA 1150/1151 in Motherboards | Posted: Sep 9, 2015 2:24 pm
TweakTown Rating: 92%Manufacturer: ASRock

Z170 OC Formula Circuit Analysis Continued




Although the Z170 OC Formula is an overclocking motherboard, ASRock has still added their upgraded Realtek audio. An ALC1150 and two Texas Instruments NE5532 amplifiers are used for the rear and front headphone outputs. Nine Nichicon Gold series audio capacitors are also used specifically for the audio section of the motherboard.





An ASMedia ASM1142 is used to provide two USB 3.1 ports, one Type-C and one Type-A. An EtronTech EJ179V located on the back of the PCB is used as a USB 3.1 Type-C switch.




An ASMedia ASM1187e provides multiple PCI-E 2.0 outputs from a single PCI-E 3.0 input. One of the PCI-E 3.0 1x slots is connected to this chip. Extra controllers that don't require PCI-E 3.0 get their bandwidth from this chip, such as the ASM1061 used for extra SATA. The ASMedia ASM1074 is used as a 1:4 USB 3.0 hub for the USB 3.0 headers.




Two ASMedia ASM1061 provide a total of four extra SATA ports. An Intel WGI219V is a PHY which provides Intel LAN.




ASRock uses nine Texas Instruments HD3SS3415 which are PCI-E 3.0 quick switches; each can switch two lanes of PCI-E 3.0. Six are used to switch PCI-E lanes from the CPU to three PCI-E 16x slots. The remaining three are used to switch 2x PCI-E 3.0/ 2x SATA between each SATA Express port and each M.2 connector. A nuvoTon NCT6791D is used as the main Super IO providing voltage, temperature, and fan control and monitoring, as well as the PS/2 port on the back panel.




The Z170 OC Formula has many fan headers with PWM capabilities as well as a healthy number of overclocking features which need a controller. The nuvoTOn NCT6683 facilitates these extra features beyond what the main SuperIO can provide.

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