TITLE: Prolific USB-to-Serial Comm Port Driver
VERSION: 3.9.4.2 REV: A PASS: 2
DESCRIPTION:
This package contains an Prolific USB-to-Serial Comm Port to support the HP USB
to Serial Adapter in supported Desktop and All-in-One models that are running a
supported operating system.
PURPOSE: Routine
SOFTPAQ NUMBER: sp144066
SOFTPAQ FILE NAME: sp144066.exe
SOFTPAQ MD5: 92db2f1a17b5bd621fca81adb1c6ecdf
SUPERSEDES: sp144121
EFFECTIVE DATE: December 20, 2022
CATEGORY: Driver-Keyboard,Mouse and Input Devices
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Desktops;Notebooks
HARDWARE PRODUCT MODEL(S):
HP EliteDesk 805 G6 Desktop Mini PC
HP ProDesk 480 G7 PCI Microtower PC
HP Z1 G6 Entry Tower
HP ProOne 400 20 G6 All-in-One PC
HP EliteDesk 800 G6 Tower PC
HP ProDesk 600 G6 Microtower PC
HP EliteDesk 880 G6 Tower PC
HP ZHAN 66 Pro G3 22 All-in-One PC
HP ProOne 600 G6 22 All-in-One PC
HP EliteDesk 800 G6 Desktop Mini PC
HP ProOne 66 Pro 20 G6 All-in-One PC
HP EliteDesk 800 G6 Small Form Factor PC
HP ProDesk 400 G7 Microtower PC
HP EliteOne 800 27 G6 All-in-One PC
HP ProDesk 680 G6 PCI Microtower PC
HP ProOne 440 20 G6 All-in-One PC
HP ProDesk 600 G6 Small Form Factor PC
HP Engage Flex Mini Retail System
HP ProDesk 600 G6 Desktop Mini PC
HP ProDesk 400 G7 Small Form Factor PC
HP ProDesk 405 G6 Desktop Mini PC
HP ProDesk 400 G6 Desktop Mini PC
HP Engage One Pro All-in-One System
HP ProDesk 600 G6 PCI Microtower PC

OPERATING SYSTEM(S):
Microsoft Windows 11 version 22H2 (64-bit)
Microsoft Windows 11 version 23H2 (64-bit)
Microsoft Windows 11 version 24H2 (64-bit)
Microsoft Windows 11 version 25H2 (64-bit)

LANGUAGE(S): Global

ENHANCEMENTS:
Provides the driver compatible with Win11.
PREREQUISITES: NONE
HOW TO USE:
1. Download the file by clicking the Download or Obtain Software button and
saving the file to a folder on your hard drive (make a note of the folder where
the downloaded file is saved).

2. Double-click the downloaded file and follow the on-screen instructions.

Copyright (c) 2025 HP Development Company, L.P.