What operating system are you running? (Windows, ESXi, Linux) Do you have an active HPE support contract? Are you trying to fix a specific hardware error?
Downloading firmware for an HP ProLiant DL380p Gen8 server requires navigating the Hewlett Packard Enterprise Support Center. Because this server is a legacy "Generation 8" system, finding the correct BIOS and firmware files involves checking for "Post-Production" updates or specific Service Pack for ProLiant releases. Understanding the HP DL380 Gen8 Ecosystem download firmware hp dl380 g8
System ROM (BIOS): Fixes hardware compatibility and stability. What operating system are you running
iLO 4 Management Engine: Improves remote access and thermal control. download firmware hp dl380 g8