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ASUS Maximus XI Formula (Intel Z390) Motherboard Review (Page 3)

Steven Bassiri | Mar 6, 2019 at 10:09 pm CST - 0 mins, 51 secs reading time for this page
Rating: 93%Manufacturer: ASUS

Circuit Analysis

ASUS Maximus XI Formula (Intel Z390) Motherboard Review 19 | TweakTown.com

The Maximus XI Formula shows us the goods with the heat sinks removed!

ASUS Maximus XI Formula (Intel Z390) Motherboard Review 20 | TweakTown.comASUS Maximus XI Formula (Intel Z390) Motherboard Review 21 | TweakTown.com

The VRM is in an 8+2 phase configuration here, the eight phases for the CPU each share a PWM channel, so it's four PWM channels being doubled to eight through double components. The DrMOS integrated power stages as the Vishay Siliconix 50A power stages, and we find the Micro-Fine alloy chokes to go with them.

ASUS is Using the ASP1400, which can also be found on the Maximus IX Formula and STRIX Z370-G Gaming. We think it's a Richtek PWM controller, as used on the Maximus IX Formula (Z270) as the pin-out is identical for most of the component layout (resistors and capacitors).

ASUS Maximus XI Formula (Intel Z390) Motherboard Review 22 | TweakTown.comASUS Maximus XI Formula (Intel Z390) Motherboard Review 23 | TweakTown.com

The VCCSA and VCCIO are controlled and provided by A single phase VRM and a POL. The memory VRM is similar to other high-end ASUS motherboards in a two phase configuration using a Digi+ ASP1103 as the PWM controller with integrated drivers.

Last updated: Nov 15, 2019 at 01:16 pm CST

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Steven Bassiri

ABOUT THE AUTHOR - Steven Bassiri

Steven went from a fledgling forum reader in 2003 to one of the internet's brightest tech stars by 2010. Armed with an information systems degree, a deep understanding of circuitry, and a passion for tech, Steven (handle Sin0822) enjoys sharing his deep knowledge with others. Steven details products down to the component level to highlight seldom explained, and often misunderstood architectures. Steven is also a highly decorated overclocker with several world records.

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