TITLE: HP BIOS and System Firmware (U78/U88)
VERSION: 01.17.00 REV: A PASS: 1
DESCRIPTION:
This package is used to update the supported firmware on HP Business Notebook
systems with a U78 or U88 family BIOS.

NOTE: To determine the ROM family and ROM date, press F10 on the computer system
during startup to run the Setup Utility, and then view File/System Information.
PURPOSE: Critical
SOFTPAQ NUMBER: sp156189
SOFTPAQ FILE NAME: sp156189.exe
SOFTPAQ MD5: 05614868157DC1798809CACEA561D738
SUPERSEDES: sp154216
EFFECTIVE DATE: December 11, 2024
CATEGORY: BIOS - System Firmware
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Notebooks
HARDWARE PRODUCT MODEL(S):
HP ProBook 445 14 inch G9 Notebook PC
HP ProBook 455 15.6 inch G9 Notebook PC

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

LANGUAGE(S): Global

ENHANCEMENTS:
- Addresses security vulnerabilities CVE-2023-31315.
- Adds Enhanced Sign-in Security support for the fingerprint reader and the IR
camera on the system.

- Includes the following firmware:
AMD Platform Security Processor (PSP) Firmware, version 0.11.0.83
AMD System Management Unit (SMU) Firmware, version 64.74.0
Embedded Controller (EC) Firmware (U78 systems), version 14.70.00
Embedded Controller (EC) Firmware (U88 systems), version 22.71.00
Intel/AMD/NVIDIA GOP, version 2.20.0.17.10
Intel/AMD/NVIDIA Video BIOS, version BRT97511.001
Intel/Realtek PXE ROM, version 2.67
Intel/Realtek UEFI PXE ROM, version 2.052
FIXES:
- Fixes an issue where SSD information disappears and does not display the
message, Drive is Locked, after the incorrect DriveLock password is entered.
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.