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BIOSTAR A320MH Pro Gaming Motherboard Review (Page 3)

By Steven Bassiri from Sep 11, 2017 @ 10:50 CDT
TweakTown Rating: 87%Manufacturer: BIOSTAR

Circuit Analysis


The VRM On this motherboard is specifically designed for the AMD Fusion SVI 2.0 platform VRM specification. It's setup in a 3+2 phase configuration using an Intersil ISL62773 3+2 phase PWM, which has two integrated drivers on the CPU Core rail and one for the North Bridge (SoC) rail. AMD uses two ISL6608 drivers, one for the SoC and one for the Core rail. Each phase uses one Sinopower SM4377 PowerPAK for the high-side MOSFET and two Sinopower SM4394 PowerPAKs for the low-side MOSFETs.


The memory VRM uses two Sinopower SM4377 PowerPAKs in a single phase configuration (one low and one high) and is controlled by the Anpec APW7120 PWM with integrated driver.

Two Sinopower N-Channel MOSFETs are driven by a single phase Richtek PWM with an integrated driver, providing enough power for two memory DIMMs.

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