TITLE: HP BIOS and System Firmware (T91)

VERSION: 01.08.00 REV: A PASS: 1
DESCRIPTION:
This package creates files that contain an image of the System BIOS (ROM) for
the supported computer models with a T91 family ROM.

PURPOSE: Critical
SOFTPAQ NUMBER: SP137060
SOFTPAQ FILE NAME: sp137060.exe
SOFTPAQ MD5: e51cfcc6ee6b9846486438429417286f
SUPERSEDES: SP136622
EFFECTIVE DATE: January 27, 2022
CATEGORY: BIOS - System Firmware
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Notebooks

HARDWARE PRODUCT MODEL(S):
HP Elite x2 G8 Tablet

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

LANGUAGE(S): Global

ENHANCEMENTS:
- Addresses security vulnerabilities CVE-2021-39297, CVE-2021-39299,
CVE-2021-39300, CVE-2021-39301. - Updates the splash screen with Protected by
Sure Start bitmaps. - Updates the Intel Thunderbolt retimer firmware to version
2.25.1.1. - Provides support for the Hynix 16GB memory module. - Provides
support for the Samsung 16GB memory module. - Provides support for the Hynix
32GB memory module. - Provides support for the Samsung 32GB memory module. -
Provides the following firmware: DisplayLink PXE UEFI Driver, version
1.1.4 Embedded Controller (Base), version 50.05 Embedded Controller (EC),
version 42.26.00 Intel GOP, version 17.0.1055-A01 Intel Management Engine,
version 15.0.35.1951 Intel Thunderbolt Firmware, version 14.0.0.4301 Realtek PXE
UEFI Driver, version 2.035 USB Type-C Power Delivery (PD) Firmware (TPS65992),
version 4.5.0 USB Type-C Power Delivery (PD) Firmware (TPS65994), version 7.5.0

FIXES:
- Fixes an issue where the system displays the incorrect unlock screen message
when the system screen is locked. - Fixes an issue where system battery does not
recharge properly through the HP Thunderbolt Dock G4r. - Fixes an issue where a
system that attempts to update firmware via FTP server with proxy from the F10
setup interface reports the error, Failure during data transfer (maximum
downloaded content size exceeded). - Fixes an issue where duplicate ACPI names
are displayed in the Linux operating system with dGPU configuration. - Fixes an
issue on a system connected HP Z34C G3 Display through a USB-C cable where the
system needs to recharge the battery before being restarted after the battery is
depleted. - Fixes an issue where the system cannot detect a DP/HDMI monitor
connected to an HP Thunderbolt Dock G4r with hi-resolution enable. - Fixes an
issue where a system backlit keyboard with low ambient brightness does not
illuminate when any key is pressed after the system 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) 2022 HP Development Company, L.P.