The Biostar P4M80-M4 User Manual is a comprehensive guide for this high-performance motherboard. This manual provides detailed instructions on installation, setup, and troubleshooting, ensuring optimal performance and longevity. Available for free download at manualshive.com, it is a valuable resource to enhance the user experience of this exceptional product.
This connector allows system to monitor PC case open status. If the signal has been triggered, it will record to the CMOS and show the message on next boot-up.