TITLE: HP BIOS and System Firmware (V77)
VERSION: 01.04.01 REV: A PASS: 1
DESCRIPTION:
This package is used to update the supported firmware on HP Business Notebook
systems with a V77 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: sp150168
SOFTPAQ FILE NAME: sp150168.exe
SOFTPAQ MD5: e5871015ed08869bf31359a384357cd0
SUPERSEDES: sp149225
EFFECTIVE DATE: December 05, 2023
CATEGORY: BIOS - System Firmware
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Notebooks
HARDWARE PRODUCT MODEL(S):
HP EliteBook 645 14 inch G10 Notebook PC
HP EliteBook 655 15.6 inch G10 Notebook PC

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

LANGUAGE(S): Global

ENHANCEMENTS:
- Provides the BIOS update. NOTE: HP strongly recommends updating the system
BIOS to address a potential issue with HP Sure Start that can cause some devices
to experience a SecureBoot error at boot.
- Addresses security vulnerabilities CVE-2023-20569.
- Addresses security vulnerabilities CVE-2023-20563, CVE-2023-20565, and
CVE-2023-20571.
- Adds HTTPS support for Sure Recover in the pre-boot environment for operating
system recovery.
- Provides support for HP Intelligent Hibernate.
- Provides support for Sparse Control Transaction Control.
- Provides support for the 5.15-5.35 GHz band.
- Provides support for the SMBIOS type1 version string for db addition.

- Includes the following firmware:
AMD PSP Firmware, version 0.11.01.81
AMD SMU Firmware, version 64.72.00
Embedded Controller (EC), version: 53.24.00
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 1.9.0
TI Power Delivery (PD) Firmware, version 5.3.0
FIXES:
- Fixes an issue that occurs after the EBAM and BIOS admin passwords are set
where flashing the BIOS with the correct password causes the Firmware Update and
Recovery Utility interface to display the message, Incorrect password was
entered.
- Fixes an issue on a system running in battery mode with less than 5% battery
capacity remaining where the system fails to power on after High Resolution mode
is enabled in the BIOS setup menu.
- Fixes an issue where the LAN occasionally disconnects from the network after
the system resumes from hibernation.
- Fixes an issue where an AMD system does not trigger power gating when the
system is running in modern standby mode.
- Fixes an issue where a system cannot be locked after Find, Lock and Wipe is
used to lock the system from a remote server and the system then resumes from
hibernation.
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.