The file sp64701.exe is a critical intermediate BIOS update (Version 01.23 Rev. A) for HP Z420, Z620, and Z820 Workstations. It is often referred to as a "bridge" or "step-up" update because these systems cannot jump from very old BIOS versions (pre-1.07) directly to the latest version (v3.xx) without first installing this specific version. Why You Need This Post
The file sp64701.exe is a SoftPaq from HP that contains BIOS Version 01.23 for the HP Z420 and HP Z620 workstations. Key Features and Enhancements sp64701.exe
Check the Cable: Ensure you are using a USB 3.0 rated cable (usually identifiable by a blue plastic insert). The file sp64701
"sp64701.exe – HP SoftPaq for Intel Thunderbolt 3 Security Driver / Firmware update for Windows" HP Support Solutions Framework updates HP System Event
Under the "File" tab, select Flash System ROM (or "Update System BIOS"). Select your USB drive and the .BIN file.
Reboot: Restart your computer to ensure the USB controller is initialized correctly. Troubleshooting
Clear CMOS: If the system hangs after the update, unplug the power cord, remove the CMOS battery, and hold the power button for 20 seconds to drain residual power before restarting. HP Z420 Workstation Bios Update 1.23 SP64701.exe