Sometimes the automatic installer fails to work, especially on newer operating systems like Windows 10 or 11. If this happens:
: If the file is digitally signed by HP and located in C:\SWSetup or an official download folder, it is safe. You may keep or delete it as you wish. If the file is unsigned or resides in a temporary folder, delete it immediately and scan your system for malware.
is a SoftPaq (an HP-specific software package format) that contains the Intel Local Management Service (LMS) and Serial-over-LAN (SOL) driver support. Manufacturer: Hewlett-Packard / Intel
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Solved: PCI Serial Port - HP Support Community - 7594386
This file is part of the Intel Digital Office Initiative, aimed at enabling advanced remote management and security features for business environments. File Name: sp46134.exe Purpose: PCI Serial Port Driver (Intel AMT) Manufacturer: Hewlett-Packard / Intel Typical Applicability: HP Compaq dc7800 series desktops. Why Do You Need sp46134.exe? Sp46134.exe
In the window, go to the Digital Signatures tab.
If you did not intentionally download an HP driver, the file could have appeared due to:
If your system is missing this driver package, Windows will usually display distinct error signals. The Yellow Triangle in Device Manager
: If you are setting up an HP dc7800 from scratch, you will likely also need Sp46137.exe (Intel HECI device driver) to clear the "PCI Simple Communications Controller" error often paired right next to the serial port error. If you are dealing with a specific deployment, let me know: What Operating System you are installing it on If you are getting a specific error code in Device Manager Sometimes the automatic installer fails to work, especially
is a legacy driver package from HP designed to resolve "PCI Serial Port" errors on older business desktops. It is primarily used for the HP Compaq dc7800 and dc7900 series. Overview & Utility
The Sp46134.exe package serves two main roles in system management:
[Download sp46134.exe] ──> [Extract Files] ──> [Run Setup as Admin] ──> [Reboot System]
To safely install or extract the package, follow these sequential steps: Method 1: Standard Executive Installation If the file is unsigned or resides in
Disclaimer: This information is based on public forum solutions for legacy HP equipment. Always ensure you have a backup of your data before installing drivers. If you'd like, I can: Help you find a for a different driver Guide you through checking your HP model number
If the automated installer runs without errors but the driver remains missing in Device Manager, you must force the system to recognize the file path:
: Check your specific product page on the HP Support website to find the correct driver version for your exact serial number. "Corrupt File" or "Extraction Failed" Reason : The download was interrupted or corrupted.
This component establishes a virtual serial port over a standard network connection. It allows IT departments to remotely access a computer’s command-line interface or text-based BIOS settings, even if the primary operating system is completely frozen or unbootable. Fixing the "PCI Serial Port" Missing Driver Issue