Sp64701.exe

Windows sometimes replaces the proprietary IDT driver with a generic Microsoft High Definition Audio Device driver. This can break audio routing.

The file is an official HP Support Community hardware system SoftPaq that contains System BIOS Version 01.23 Rev. A for HP Z420 and Z620 Workstations . sp64701.exe

This SoftPaq is designed for a specific set of hardware and software environments: Windows sometimes replaces the proprietary IDT driver with

If you encounter a generic error when running the file, , rather than double-clicking the exe within the OS. This method bypasses OS-related compatibility issues entirely. but it is believed to:

The SP64701 package offers three ways to update the BIOS:

The exact functionality of sp64701.exe is still unknown, but it is believed to: