TITLE: HP Firmware Pack (Q26, Q27)
VERSION: 02.25.00 REV: A PASS: 1
DESCRIPTION:
This package is used to update the System BIOS on HP Business Desktop models
with Q26 and Q27 Family BIOS.

PURPOSE: Critical
SOFTPAQ NUMBER: sp161504
SOFTPAQ FILE NAME: sp161504.exe
SOFTPAQ MD5: 5F1289F735EA11AFA8E7BABCDFB042F7
SUPERSEDES: sp155509
EFFECTIVE DATE: August 10, 2025
CATEGORY: BIOS
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Desktops
HARDWARE PRODUCT MODEL(S):
HP EliteDesk 705 G4 DM 35W
HP EliteDesk 705 G4 DM 65W

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

LANGUAGE(S): Global

ENHANCEMENTS:
This BIOS upgrade package also includes the following firmware versions: (only
list appropriate ones)
SIO19 F/W 7.9.55
AMD VBIOS 015.048.000.070 (Q27)
016.002.000.007 (Q26)
AMD GOP 1.59.0.0.0 (Q27)
2.4.0.0.0 (Q26)
USB Type-C PD firmware FW 6.8.0
Realtek PXE rom 2.1
Realtek UEFI PXE rom 2.043

- HP Sure Start protection enhancement
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) 2025 HP Development Company, L.P.