HP Compaq dc7800, dc7900, and similar business-class desktops.
Sp46134.exe: Everything You Need to Know is a specific HP SoftPaq executable used to install critical system drivers on Hewlett-Packard (HP) business desktops. Specifically, this file provides the Intel Management Engine (ME) Components , which include the Intel Local Management Service (LMS) and Serial-over-LAN (SOL) support. Sp46134.exe
Only download this file from official HP Support or trusted repositories to avoid malware. Solved: PCI Serial Port - HP Support Community - 7594386 HP Compaq dc7800