TITLE: HP BIOS and System Firmware (U73/U84)
VERSION: 01.14.00 REV: A PASS: 1
DESCRIPTION:
This package creates files that contain an image of the System BIOS (ROM) for
supported HP Business Notebook computer models with a U73/U84 family ROM.
PURPOSE: Critical
SOFTPAQ NUMBER: sp156897
SOFTPAQ FILE NAME: sp156897.exe
SOFTPAQ MD5: 5D6BCEEE7402EE2B6C4F618CC22461E7
SUPERSEDES: sp156064
EFFECTIVE DATE: February 11, 2025
CATEGORY: BIOS - System Firmware
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Notebooks
HARDWARE PRODUCT MODEL(S):
HP ZHAN 66 Pro 14 inch G5 Notebook PC

OPERATING SYSTEM(S):
Microsoft Windows 10 All Editions (64-bit)
Microsoft Windows 11

LANGUAGE(S): Global

ENHANCEMENTS:
- Addresses security vulnerabilities CVE-2021-39300, CVE-2021-39301,
CVE-2024-26021, and CVE-2024-30211.
- Improves Secure Boot Key protection.
- Updates the chipset firmware.

- Includes the following firmware:
Camera Firmware, 23.21.0.0
ClickPad Firmware 22.18.0.0 (ELAN) / 21.37.0.0 (Synaptics)
ELAN Fingerprint Reader Firmware, version 4.20 (P00ZVP-B2M)
Embedded Controller (EC) Firmware, version 07.71.00 (TI PD) / 21.71.00 (Realtek
PD)
Graphics Output Protocol (GOP) Firmware, version 21.1.6 (Disabled DRRS)
Management Engine Firmware, version 16.1.35.2557
Power Delivery (PD) Firmware, version 6.6.0 (TI) / 7.6.0 (Realtek)
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.