TITLE: HP BIOS and System Firmware (U81/U89)
VERSION: 01.12.00 REV: A PASS: 2
DESCRIPTION:
This package is used to update the supported firmware on HP Business Notebook
systems with a U81 or U89 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: sp148528
SOFTPAQ FILE NAME: sp148528.exe
SOFTPAQ MD5: 5b4a8f85d428db9eff10ef5f3752931c
SUPERSEDES: sp146597
EFFECTIVE DATE: August 04, 2023
CATEGORY: BIOS - System Firmware
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Notebooks
HARDWARE PRODUCT MODEL(S):
HP Elite mt645 G7 Mobile Thin Client

OPERATING SYSTEM(S):
HP ThinPro
Microsoft Windows 10 All Editions (64-bit)
Windows 10 IoT Enterprise 2021 LTSC 64-bit

LANGUAGE(S): Global

ENHANCEMENTS:
- Addresses security vulnerabilities CVE-2023-20555.
- Updates the Infineon TPM EFI Driver to version 02.02.3776.00.
- Adds the Network Boot TFTP Window Size setting to the F10/Public WMI menu.

- Includes the following firmware:
AMD PSP Firmware, version 0.11.0.81
AMD SMU Firmware, version 64.71.00
Embedded Controller (EC), version U81: 14.63.00
Embedded Controller (EC), version U89: 22.63.00
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
Realtek Power Delivery (PD) Firmware, version 2.0.0
USB Type-C Power Delivery (PD) Firmware, version 1.1.0
FIXES:
- Fixes an issue where the battery does not recharge correctly when the Maximize
my battery health option is set.
- Fixes an issue where the BIOS cannot be updated when Enhanced BIOS
Authentication Mode (EBAM) is enabled.
- Fixes an issue where a Targus 419 USB-C travel dock connected to a system
running on battery power continuously cycles between connected and disconnected
states.
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) 2023 HP Development Company, L.P.