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T E C H N I C A L W H I T E PA P E R
CONTENTS &
NAVIGATION
2
HP Thunderbolt Dock G4 specifications summary
HP Thunderbolt G4 Dock, The Dock That
Does It All
3-4
First-time Connection
5-6
Supported Modes (Multi-Function
and Thunderbolt
4/USB4/Thunderbolt
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Pre-Boot Support
LED/Power Button
6-9
Charging Support from the Dock
Display Capabilities
9-10
HP Sure Start for Docks
Thunderbolt
Security Levels – Available Functions
TM
and Ports
10-12
Manageability
13-14
Troubleshooting Issues
15-19
Support list for the HP Thunderbolt 4 Dock
HP Commercial Notebook / mWS Platform Support
9.
Host Specification
DP 1.4 DSC multifunction
mode (High Res Disable)
*HDMI port can only reach 3840x2160 @ 60Hz.
** 5K monitor using a single cable connection. Not for 5K with 2 cable connections.
Chart is based on 8bit displays.
* HDMI ports can only provide up to 3840 x 2160 @ 60 Hz.
NOTE: To enable High Resolution Mode in an HP notebook system:
1. Enter HP Setup (F10).
2. Select Advanced, then System Options.
3. Select Enable "High Resolution mode when connected to a USB-C® alt mode dock option".
4. Save settings by pressing the F10 key.
HP Thunderbolt Dock G4 is DSC ready
•In order to fully support DP1.4 DSC, customers must be using a host platform that fully supports the DP1.4 DSC.
H P S U R E S T A R T F O R D O C K S
3)
HP Sure Start for Docks is a comprehensive firmware security and advanced firmware resilience solution to protect against
firmware attacks and/or accidental corruption for the all critical docking station firmware. HP Sure Start for Docks can
automatically detect, and recover from attacks or corruption without IT intervention and with little or no interruption to user
productivity. Every time the Dock powers on, HP Sure Start for docks automatically validates the integrity of the firmware
to help ensure that the dock is safeguarded from malicious attacks. In the case of an attack, the dock can self-heal using an
isolated "golden copy" of the firmware in minutes. HP Sure Start for Dock docks are the only docking stations in the world
that fully meets NIST 800-193 requirements.
T H U N D E R B O LT
F U N C T I O N S A N D P O R T S
The Thunderbolt
interface supports Direct Memory Access (DMA), which some customers consider a security risk.
TM
The HP BIOS based settings described here for the Thunderbolt
appropriate tradeoff between convenience and security for the Thunderbolt
The Thunderbolt
security level that controls the Thunderbolt
TM
be changed in the bios setup. The bios setup can be accessed by pressing the F10 key when booting the PC. The policies are
also remotely manageable via Public WMI interfaces.
• PCIe and DisplayPort – No Security
o No security level. Any Thunderbolt
port will automatically be enabled without local user approval.
o External displays will function when attached directly to the PC Type-C® port or the dock through display or USB
Type-C® ports.
• PCIe and DisplayPort – User Authorization
o This is the default BIOS policy.
o Same functionality as Security level 0, but the local user is prompted to approve the connection via a dialog box
in windows before the Thunderbolt
suppressing the prompt for subsequent connections of the same device.
o Each Thunderbolt
PC and used to determine if the device has been previously connected. In the event the user has chosen to suppress
future prompts for that particular GUID (device), the Thunderbolt
o This policy also applies to any Thunderbolt
via the Type-C® connector on the dock.
• PCIe and DisplayPort – Secure Connect
o Same options as Security level 1 if the device contains a security certificate/chip.
o This option offers enhanced protection for authenticating a previously connected Thunderbolt
on a GUID provided by the attached Thunderbolt
o When this policy is enabled and the user chooses to suppress future prompts for connection approval, the
Thunderbolt
and stored securely in non-volatile memory. Each time that peripheral is subsequently connected, the PC will not only
verify that the GUID has been approved for auto-connect, but it will also use a challenge-response to the peripheral
device to verify that the device is in possession of the previously provisioned secret. The Thunderbolt
only be enabled if it can prove that it possesses the previously provisioned secret.
# of displays on dock Resolution
1
2
3
S E C U R I T Y L E V E L S – A V A I L A B L E
T M
device attached to the PC Type-C® port or the HP Thunderbolt G4 dock Type-C®
TM
device it is connected to the system. The local user also has the option of
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peripheral, including the HP Thunderbolt G4 dock, includes a unique GUID which is saved on the
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peripherals attached "behind" the HP Thunderbolt G4 dock
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driver stack software on the PC will generate a unique secret that is sent to that Thunderbolt
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Supported configuration
(1) 5120 × 2880 @ 60Hz
1 DP or
1 USB-C® alt mode
(2) 3840 x 2160 @ 60Hz
Any 2 non-TB video port
(3) 2560 x 1440 @ 60Hz
Any 3 non-TB video port
connection policy allow the customer to select the
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capable Type-C® interface port on the PC.
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connection policy of any Type-C® connectors on the PC can
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device will automatically be enabled when attached.
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peripheral.
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device beyond relying
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device
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interface will
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