Tweakers Asylum has posted a review on the AOpen AX4G Pro Motherboard
The 845G GMCH is cooled by a passive aluminium heatsink, which is large enough to dissipate heat with an additional fan, and is secured to the PCB with two short retention hooks. An AGP slot, six PCI slots, and one CNR slot are situated just below the cooler in their traditional positions. The AGP slot has a small card-lock mechanism on the end, which can help prevent a card from popping out unexpectedly. The ICH4 Southbridge is located across from the third PCI slot, and integrated support for up to six USB 2.0 channels.Read more