With the Conrad Mini-replacement mainboard operate your computer without RAM & CPU. Connect to the mainboard both the connections of the on/off-switch & your power supply & you can start by pressing a button. In addition, two fans can be connected on the board, whereby one of the two is controlled via a temperature sensor PWM, which guarantees an adequate air flow in your housing. The replacement mainboard is extremely suitable for test & show purposes or for a pure hard-disk computer. The replacement mainboard fits in all PC-casings designed for an ATX-Mainboard.