TITLE: HP Z2G9 Workstation System BIOS
VERSION: 02.04.02 REV: A PASS: 1
DESCRIPTION:
This package contains the System BIOS image and flash utilities for the HP Z2 G9
Workstations. These utilities can be used to restore or update the System BIOS.
System BIOS is independent of the Operating System.
PURPOSE: Critical
SOFTPAQ NUMBER: sp150345
SOFTPAQ FILE NAME: sp150345.exe
SOFTPAQ MD5: 5d9fa37fd6d0a194052dcaf9e67e0f4c
SUPERSEDES: sp149496
EFFECTIVE DATE: November 27, 2023
CATEGORY: BIOS - System Firmware
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Desktops
HARDWARE PRODUCT MODEL(S):
HP Z 2 Mini G9 Workstation
HP Z 2 SFF G9 Workstation
HP Z 2 Tower G9 Workstation

OPERATING SYSTEM(S):
Microsoft Windows 10 version 1709 (64-bit)
Microsoft Windows 10 version 1803 (64-bit)
Microsoft Windows 10 version 1809 (64-bit)
Microsoft Windows 10 version 1903 (64-bit)
Microsoft Windows 10 version 1909 (64-bit)
Microsoft Windows 10 version 2004 (64-bit)
Microsoft Windows 10 version 20H2 (64-bit)
Microsoft Windows 10 version 21H1 (64-bit)
Microsoft Windows 10 version 21H2 (64-bit)
Microsoft Windows 10 version 22H2 (64-bit)
Microsoft Windows 11 version 21H2 (64-bit)
Microsoft Windows 11 version 22H2 (64-bit)
Microsoft Windows 11 version 23H2 (64-bit)

LANGUAGE(S): Global

DEVICES SUPPORTED:


ENHANCEMENTS:
The following enhancements have been made in BIOS version 02.04.02:
HP strongly recommends promptly transitioning to this updated BIOS version.
-This BIOS includes enhancements to mitigate security vulnerabilities
CVE-2022-27540, CVE-2023-25756, CVE-2023-22329, CVE-2023-5410.
-Updates Intel Reference Code to 0C.00.BA.10
-Updates Intel MRC to 0.0.4.184.
-Updates Intel CPU Microcode to M_32_B0671_0000011D.
-Allow ADL CPU to downgrade BIOS to 01.04.00.
-Support Intel I350T2 in Slot2 of Riser on Small form factor.
FIXES:
The following fixes have been made in BIOS version 02.04.02:
-Fixes some Linux kernel could not interpret ASL code and results in ACPI error
during installation or booting up. This change is to improve compatibility of
Linux.

This BIOS package also includes the following updated firmware version:
HP strongly recommends promptly transitioning to this updated Intel CSME FW
version.
-Updates ME to 16.1.30.2264 v4
-Updates NPHY to 13.062.211.7255.
-Updates VMD RST Pre OS driver to 19.5.5.5727

PCR0 = 40ED82BE1751FCC772232252970086FB106FB5CAF56B7BBAC39C54F6B692CAAD (SHA256)
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 to
unpack the files to C:\SWSETUP\SP150345
3. Alternatively, select the Copy option from the GUI, the BIOS binary file is
located in the following directory: C:\SWSETUP\SP150345\HPFWUPDREC
4. Copy the binary to the following directory on the USB key: either "HP\DEVFW"
or "EFI\HP\DEVFW"
5. Insert the USB key into the workstation that is to be updated and reboot or
boot the unit to the Startup menu by pressing Esc during POST (before the OS
loads).
6. Use the arrow keys to select the "Flash System Bios" option. Follow the
prompts to update the BIOS. Alternatively, the "Flash System Bios" feature is
available in BIOS Setup from the Main menu.

Copyright (c) 2023 HP Development Company, L.P.