HP Pavilion dv9300 HP Pavilion dv9000 Notebook PC - Maintenance and Service Gu - Page 29

Product Description Item 3 4 5 6 Table 1-8 Bottom Components (Continued) Component Function Optical drive Reads an optical disc. Secondary hard drive bay Holds an optional secondary hard drive. Primary hard drive bay Hold the primary hard drive. Vents (6) Enable airflow to cool internal components. ✎ The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. Memory module compartment Contains the memory module slots, the Mini Card slot, and the RTC battery. Maintenance and Service Guide 1-21