TITLE: HP BIOS and System Firmware (U78/U88)
VERSION: 01.15.02 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: sp153342
SOFTPAQ FILE NAME: sp153342.exe
SOFTPAQ MD5: f62c4eec582cad93c255e218ad3fb09d
SUPERSEDES: sp151452
EFFECTIVE DATE: June 14, 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-2022-23829, CVE-2023-5410, and
CVE-2023-20579.
- Provides the Minimize Battery Health Management option in the F10 BIOS menu
and myHP to disable Battery Health Management.
- Updates Smart Discharge to version 2.1.
- Extends 6E/6GHz support for AX211, QCNFA765, Realtek RTL8852CE, and Mediatek
MT7922A22M to Singapore.

- Includes the following firmware:
AMD Platform Security Processor (PSP) Firmware, version 0.11.0.83
AMD System Management Unit (SMU) Firmware, version 64.72.127
Embedded Controller (EC) Firmware (U78 systems), version 14.6B.00
Embedded Controller (EC) Firmware (U88 systems), version 22.6C.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 the internal keyboard generates the incorrect characters.
- Fixes an issue where the Simplified Chinese language translation of Hybrid
Graphics is incorrect.
- Fixes an issue where the IPv6 network is listed before the IPv4 network when
the system is connected to an HP Thunderbolt Dock G4.
- Fixes an issue where the Secure Boot Keys Protection cannot be disabled.
- Fixes an issue where the settings for Sure Start Secure Boot Keys Protection
cannot be changed.
- Fixes an issue on a system connected to a D6000 dock where the display of
input from the keyboard or mouse in the BIOS menu is inconsistent and the
response is delayed.
- Fixes an issue where TamperLock can be disabled by Windows Management
Instrumentation (WMI) without authentication.
- Fixes an issue where unsupported WLAN cards are displayed in the preboot Wi-Fi
options in the F10 menu.
- Fixes an issue where operating system recovery does not occur when the Windows
Recovery Environment is disabled.
- Fixes an issue where TechPulse Erase does not function properly.
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) 2024 HP Development Company, L.P.