DisplayPort/Charging issue with Plugable TBT-UDT3

[mbidewell]

Device Information

System Model or SKU

Please select one of the following

• Framework Laptop 12 (13th Gen Intel® Core™)
• Framework Laptop 13 (11th Gen Intel® Core™)
• Framework Laptop 13 (12th Gen Intel® Core™)
• Framework Laptop 13 (13th Gen Intel® Core™)
• Framework Laptop 13 (AMD Ryzen™ 7040 Series)
• Framework Laptop 13 (AMD Ryzen™ AI 300 Series)
• Framework Laptop 13 (Intel® Core™ Ultra Series 1)
• Framework Laptop 16 (AMD Ryzen™ 7040 Series)
• Framework Laptop 16 (AMD Ryzen™ AI 300 Series)
• Framework Desktop (AMD Ryzen™ AI 300 PRO Series)

BIOS VERSION

Tool Version: 0.6.5
OS Version: Linux 7.1.4-1-cachyos #1 SMP PREEMPT_DYNAMIC Sat, 18 Jul 2026 22:23:17 +0000 x86_64
Mainboard Hardware
Type: Laptop 16 (AMD Ryzen AI 300 Series)
Revision: MassProduction
UEFI BIOS
Version: 04.01
Release Date: 06/12/2026
EC Firmware
Build version: tulip-4.0.1-9b2a0b1 2026-06-11 02:50:58 lotus@ip-172-26-3-226
Current image: RO
PD Controllers
Right (01): 0.0.22 (MainFw)
Left (23): 0.0.22 (MainFw)
Intel Retimers (Potential)
Parade Retimers
Unknown
Laptop Webcam Module (2nd Gen)
Firmware Version: 1.1.1
USB Hub RTL5432
Firmware Version: 0.0.7
Laptop 16 Keyboard Module - ANSI
Firmware Version: 0.3.1
Location: [ ] [X] [ ] [ ] [ ]
Touchpad
Firmware Version: v0905
NVMe Device: /dev/nvme0
Model Number: WD_BLACK SN7100 2TB

Windows:
Open a command terminal as administrator:
wmic bios get SMBIOSBIOSVERSION

Linux:
Open a terminal and run the following command
sudo dmidecode --string bios-version
4.01

DIY Edition information

If you are experiencing an issue on a DIY system, Please also fill out the memory and storage devices you are using.

Memory: Manufacture and SKU
Storage: Manufacture and SKU

Port/Peripheral information

If you are experiencing an issue with a peripheral or an expansion card/port please fill out the following information:

• Plugable TBT-UDT3
• Port 1
• Device or expansion card attached to the Adjacent port to the port that is having the issue.

1. USBC
2. USBC
3. USBA
4. USBC

The following are for Laptop 16 only.
5. USBC
6. USBA

For Desktop only

1. [ Fill In device / expansion card ]
2. [ Fill In device / expansion card ]

Standalone Operation (Laptop Only)

Are you running your mainboard as a standalone device. Is standalone mode enabled in the BIOS?

• Yes
• No

Describe the bug

If the Framework is charging from the TBT-UDT3. When waking up from a deeper sleep state, a short time after waking. DisplayPort and power will drop. USB and network remain connected. Disconnect will sometimes occurs without sleep.

Steps To Reproduce

Steps to reproduce the behavior:

1. Plug FW16 into TBT-UDT3
2. Put laptop to sleep
3. wait long enough for the laptop to hit deep sleep
4. Wake laptop.
5. Within generally 1-2 minutes. Displayport will drop and the laptop will stop charging

Expected behavior

Laptop should wake and charge with all devices connected

Screenshots

If applicable, add screenshots to help explain your problem.

Operating System (please complete the following information):

• OS/Distribution: CachyOS
• Version: [Version]
• Linux Kernel Version: 7.1.4-1-cachyos

Additional context

• If a power adapter is connected to another port. System appears stable
• Dock seems stable when connected to a macbook pro
• An older TS3+ did not exhibit issues with Charging/DisplayPort.