For the power stage, we find a configuration of 10+1+1 Renesas RAA22010540 SPS power supply phases of 105A. Everything is controlled via a Renesas RAA229131 controller configured in 10+1. For the iGPU, we have the Renesas ISL99360 reference of 60A. Note that the VRM cooling system is active on this motherboard since we have a fan under the rear connector cover.
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