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MT645 – Bios V. 01.12.00 / Firmware Pack

HP Bios Update / Firmware Pack for Mobile ThinClient MT46

VERSION: 01.12.00 REV: A PASS: 2

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 FILE NAME: sp148528.exe
SOFTPAQ MD5: 5b4a8f85d428db9eff10ef5f3752931c
SUPERSEDES: sp146597
EFFECTIVE DATE: August 04, 2023
SSM SUPPORTED: Yes

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.

Download:  sp148528.exe

Release Notes: sp148528.html

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MT645 – Bios V. 01.12.00 / Firmware Pack