TITLE: HP Z4/6/8 Fury G5 Workstation System BIOS (Windows)
VERSION: 01.02.35 REV: A PASS: 1
DESCRIPTION:
This package provides the System BIOS for the Z4 G5, Z6 G5, and Z8 Fury G5
Workstations. These utilities can be used to restore or update the System BIOS.
System BIOS is independent of the Operating System.
PURPOSE: Routine
SOFTPAQ NUMBER: sp171695
SOFTPAQ FILE NAME: sp171695.exe
SOFTPAQ MD5: 2CDCDCDE236CE64D283D8189ED4BBB61
SUPERSEDES: sp167170
EFFECTIVE DATE: March 20, 2026
CATEGORY: BIOS - System Firmware
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Desktops
HARDWARE PRODUCT MODEL(S):
HP Z 6 G5 Workstation
HP Z 4 G5 Workstation
HP Z 8 Fury G5 Workstation

OPERATING SYSTEM(S):
Microsoft Windows 10 version 1507 (64-bit)
Microsoft Windows 10 version 1511 (64-bit)
Microsoft Windows 10 version 1607 (64-bit)
Microsoft Windows 10 version 1703 (64-bit)
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)
Microsoft Windows 11 version 24H2 (64-bit)
Microsoft Windows 11 version 25H2 (64-bit)

LANGUAGE(S): Global

ENHANCEMENTS:
- Updates the UEFI UNDI driver to version 2.048 for the HP Flex 1GbE Single Port
NIC.
- Updates for F10 UEFI Driver forms for Broadcomm MegaRAID add-in cards.
- Shows the correct information in Management Engine Setup Code for HP Sure
Admin.
- Limits Z Turbo Drive Dual Pro carriers to their supported PCIe GEN4.
- Updates WMI behavior to align with the F10 BIOS setting for the NVMe1 slot.

- Provides the following driver and firmware updates:
Intel CPU Microcode, version 2b000661
Intel Reference Code, version 0060.D.81
Intel CSME Firmware, version 16.11.25.2028
FIXES:
- Fixes some Secure Erase issues seen with one type of 12TB SATA drive.
- Fixes for and changes to support the HP Remote System Controller.
- Removes incorrect messaging that is displayed while performing a BIOS
downgrade with a Thunderbolt card installed.
- Corrects the boot option name for Allied Telesis cards (AT2911T and AT2911Ta).
- Fixes for add-in network cards to wake on LAN after a power cycle.
- Resolves an issue with Extended Idle power saving to show the correct CPU
power states when enabled.

PCR0 = 33D4E8D324848B4F11543C7DBB7E0BB90AB2CF9F3865BF9E653D6C372AF50B72
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) 2026 HP Development Company, L.P.