TITLE: HP Z4-G4 Core-X Workstation System BIOS

VERSION: 02.85 REV: A PASS: 1
DESCRIPTION:
This package contains the System BIOS image and flash utilities for the HP Z4G4
Core-X 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: sp141542
SOFTPAQ FILE NAME: sp141542.exe
SOFTPAQ MD5: 5c80e749a639f0ee8ebbc22dabaf93bb
SUPERSEDES: SP140090
EFFECTIVE DATE: August 01, 2022
CATEGORY: BIOS
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Desktop

HARDWARE PRODUCT MODEL(S):
HP Z 4 G4 Workstation

OPERATING SYSTEM(S):
Microsoft Windows 10 All Editions (64-bit)
Microsoft Windows 11 version 22H2 (64-bit)
Microsoft Windows 11 version 21H2 (64-bit)

LANGUAGE(S): Global

DEVICES SUPPORTED:
--
Z4G4 Core-X


ENHANCEMENTS:
The following enhancements have been made in BIOS version 2.85:
- Includes enhancements to mitigate security vulnerabilities CVE-2022-31635,
CVE-2022-31636, CVE-2022-31637, CVE-2022-31638, and CVE-2022-31639.
- HP strongly recommends promptly transitioning to this updated BIOS version.
- Adds SMBIOS System Enclosure or Chassis (Type 3) entry.

TPM2.0 PCR0 = BC5DD7F08CAAC9287EE84BA6495EB9649FC0D8D4813339F454472C4A734D1435
(SHA256)

FIXES:
- The following fixes have been made in BIOS version 2.85:
- Fixes an issue where Network BIOS Update would fail in Legacy mode.
- Fixes an issue where system would not boot with a certain PCIe serial card
installed.
- Fixes a performance issue with a certain PCIe FireWire card.

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\SP141542
3. Alternatively, select the Copy option from the GUI, the BIOS binary file is
located in the following directory: C:\SWSETUP\SP141542\HPBIOSUPDREC
4. Copy the binary to the following directory on the USB key: drive
letter\Hewlett-Packard\BIOS\New
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) 2022 HP Development Company, L.P.