The Ryzen CPUs will form part of the ‘Summit Ridge’ platform – ‘Summit Ridge’ indicates a Ryzen CPU with a 300-series chipset (X370, B350, A320). Both Bristol Ridge and Summit Ridge, and thus Ryzen, mean that AMD makes the jump to a desktop platform that supports DDR4 and a high-end desktop platform that supports PCIe 3.0 natively.
Read more @ AnandTech
BIOSTAR offers just two fan headers, which is a reasonable amount for a mini-ITX motherboard. Most mini-ITX motherboards only feature two fan headers. BIOSTAR’s fan headers are 4-pin PWM-only headers that won’t control voltage (3-pin) fans, instead voltage mode fans will run full speed. PWM fans can be controlled through the UEFI or Windows.
Read more @ TweakTown