To setup this appliance, you will need a VGA monitor and a USB keyboard. Connect both the the appliance, and power on. You will be greeted by a configuration program leading you through the configuration. Further information about the setup can be found on the IPFire Wiki.
The builtin IPMI interface is disabled by default. This is due to security considerations and it can be enabled in the BIOS.
You can find more technical details and benchmarks about this product on the official IPFire Wiki.