HP Stream 14-AX Intel Celeron N3060 1.6GH z Motherboard 905305-601 L06659-601 is the main circuit board of the HP Stream 14-AX laptop model. This motherboard serves as the central hub, facilitating communication between various hardware components such as the CPU (Intel Celeron N3060), RAM, storage drives, and peripherals. It provides slots, connectors, and ports for components to attach and communicate with each other. The 905305-601 L06659-601 motherboard is specifically designed to support the Intel Celeron N3060 processor and is crucial for the laptop's operation.