60:03. 3 PCI bridge [0604]: Advanced Micro Devices, Inc. , Ltd. [AMD] Renoir Internal. This bridge, which connects to buses 01,02,03, is only indicated in the output on bus 00. Kingston 500G A2000 M. Yes. Description of Original Problem: Found occasional (i. PCIe / PCI Bridges. 2 IOMMU: Advanced. IOMMU Group 0 00:01. Here is the groupings for the actual board, ASUS TUF B450M-Plus Gaming (don't have the second card in right now): IOMMU Group 0: 00:01. 2 PCI bridge: Advanced Micro Devices, Inc. gpp_c1 smbdata native smb_sda pu 2. Recently after switching my graphics card from an Nvidia gtx 1660 to a Radeon rx 550, I've started experiencing a lot of crashes in firefox and discord. 0 Host bridge [0600]: Advanced Micro Devices, Inc. If set to true, it is. ASUS TUF Gaming GeForce RTX 4090 OC Edition Gaming Graphics Card (PCIe 4. 2 drive and any low-profile expansion card all on a single PCIEx16 slot, assuming the board supports it. 0 x8, but I suppose it can potentially be (slightly) worse depending on what you do. Fedora 36, Ryzen 7 2700 and Gigabyte Aorus. Make sure you have “IOMMU” set to “Enable” (Auto doesn’t work). IOMMU Group 8 00:07. 00:07. Or fastest delivery Nov 28 - Dec 1 . Multiple PCIe lanes link the backplane, system-on-chip (SoC), and I/O units that can be configured via an integrated PCIe switch. PCIVEN_1D94, PCI vendor id 1D94 or Chengdu Higon IC Design Co. 0. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge 00:01. Right now, there’s no need to rush on the PCIe 5. I made it bold so it is easy to find. [AMD] 13e6: Ariel Internal PCIe GPP Bridge 0 to Bus B:. 4. 1 PCI bridge: Advanced Micro Devices,. 10:GPP is a Nvidia program that gives partner AIBs (EVGA, Asus, Gigabyte, etc) marketing incentives if they drop their gaming brands for other competitors and align themselves with just Nvidia. 3 USB. 0 B) RX errors 0 dropped 0 overruns 0 frame 0. If I unplug the AMD card on boot it correctly goes to the 1050 Ti but I get the same PCIe issue when trying to boot the MacOS VM. Solution 1 is through PCI Express and solution 2 through SXM2. openSUSE 15. Yeah I'm on the latest bios for my board. Ariel PCIe GPP Bridge: Vendor Device PCI: 1022: Advanced Micro Devices, Inc. Existing hardware: Gainward GTX 1070 Phoenix GS. So I am having issues with my MSI B550 A Pro motherboard and the IOMMU grouping in the board. Please ensure that you add all the devices in your GPU (you may have more than 2). 0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host BridgeThe chipset is connected to the CPU using 4 PCI Express 4. EDIT: To clarify it’s after the slot=‘0x05’ where you’re telling the vm what slot the device is in. 741520Z qemu-system-x86_64: -device vfio. [AMD] Renoir PCIe GPP Bridge 00:02. PCIe 4 doubles the data transfer speed of the previous generation (PCIe 3. The front panel has an. Laptop has an HDMI port connected to iGPU and USB-C (Display port) connected to dGPU. Installing a new kernel. FREE delivery Dec 5 - 19 . Device 8747 00:00. CPU: AMD Ryzen 5 3600. So if you want, it's both. Arch Linux (Kernel 5. com is the number one paste tool since 2002. 0, UP TO) X670E. 0 4x, current link width 4x The actual. IOMMU Group 3 00:08. 6. ” is set to “Enable”. 0 Network controller: Intel Corporation Wireless-AC 9260 (rev 29) 04:00. Resets in PCI express are a bit complex. Follow. [AMD] Renoir/Cezanne PCIe GPP Bridge 00:02. so. Posted by u/de_argh - No votes and no commentsGPU's are grouped together and addin cards are in group 0 now. Here is what you can expect if you have new Linux kernel 5. 0 Host bridge: Advanced Micro Devices, Inc. [AMD] 13e4: Ariel PCIe Dummy Host Bridge: Vendor Device PCI: 1022: Advanced Micro Devices, Inc. YMMV. [AMD] Renoir PCIe Dummy Host Bridge 00:02. HP HD Camera Works [0408:5347] uvcvideo — — Fingerprint Reader Not tested — — —. [AMD] Family 17h (Models 00h-0fh) PCIe GPP Bridge and I believe, this is a bridge to a physical PCIe device (8 channel DVB-S receiver). 802. PCIe 5. The GPU has to be passed with the PCIe bridge in your case, so you will have to add manually more lines to the script; copy from the existent ones for the GPU The devices that you have to pass are IOMMU_GPU=01:00. Install vendor-reset by following this guide and see if that helps. 3) attach drives to hba and configure NAS. 44/24. 0 Host bridge: Advanced Micro Devices, Inc. In Grub I already changed the existing line below and updated grub (update-grub): GRUB_CMDLINE_LINUX_DEFAULT="quiet amd_iommu=on". [AMD] Renoir PCIe Dummy Host. 2,带宽(总线的传输速度限制也叫总线的数据传输能力,就被. Brands like Asus and MSI. 0 Host bridge [0600]: Advanced Micro Devices, Inc. Motherboard: ASRockRack ROMED8-2T. 10) Swapping the PCIe slot results in shifting of the PCI ids (on another port, the bridge was at 60:03. 1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe Dummy Host Bridge 00:08. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B] 00:08. 0 Host bridge: Advanced Micro Devices, Inc. 0 Host bridge: Advanced Micro Devices, Inc. 0 Host bridge: Advanced Micro Devices, Inc. These following errors constantly recur: kernel pcieport 0000:00:1c. 00:02. 0 lanes for NVMe, and 4x GPP PCIe lanes. 6. 54)- Improved system boot up time- Improved PCI-E device compatibility. [AMD] Starship/Matisse PCIe Dummy Host Bridge 00:01. You can browse them online at Locally, you can find them in files named. Hardware errors from "Starship/Matisse GPP Bridge". Device [10ec:8203] Kernel modules: rtl8821ae. View: 36. 0a:00. 0 Host bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe GPP Bridge 00:08. 2. TrueNAS sees the GPU: In the VM settings I'm also seeing the above GPU: But once I start the VM I get the following error: Code: [EFAULT] internal error: qemu unexpectedly closed the monitor: 2022-08-12T13:43:03. Chipset Connectivity. 0 SMBus: Advanced Micro Devices, Inc. 2 connector (or other things if motherboard maker designs it like that, majority keep the 4 lanes for m. 0 direct wired to AM4 (typically main PCIe 16x slot for GPU or split to 8x + 8x or 8x + 4x + 4x across 2 or 3 PCIe slots) 1 4x PCIe 4. PCI-E 1 to 4 Adapter Card,ASHATA PCI-E 1X to 4X PCIe USB3. 0. 0/v1. m. You signed out in another tab or window. 10. 61 x 4. Help (CPU) Computer Type: Workstation. 0 Host bridge: Advanced Micro Devices, Inc. With 2TB of storage, this SSD offers ample space for documents, videos, games, and more. Just to clarify, on the processor side these do support PCI-Express 5. B650. 0 B) TX errors 0 dropped 0. GFXO GPP IGFX PCI GPP BFXO IGFX PCI PCI BFXO GPP IGFX or IGFX GFXO GPP PCCI And why? Thanks a ton to anyone can help![/quotemsg] I believe this is setting the order that determines which graphics gets used if present. 1 PCI bridge: Advanced Micro Devices, Inc. 0Ariel PCIe GPP Bridge: Vendor Device PCI: 1022: Advanced Micro Devices, Inc. [AMD] Renoir Internal PCIe GPP Bridge to Bus [1022:1635] Kernel driver in use: pcieport 00:14. 0. I only have USB keyboard, mouse and onboard/built-in BT adapter connected but all of them are connected to USB2 ports and this driver AFAIK is responsible for USB3. 0 Host bridge: Advanced Micro Devices, Inc. 1 PCI bridge [0604]: Advanced Micro Devices, Inc. Hello! I’m trying to hide second GPU but without luck. Renoir Internal PCIe GPP Bridge to Bus: Find drivers for your hardware by creating a probe. According to your mainboard's manual the correct slot for your gaming GPU (that gets passed through) would be the top slot (marked PCIEX16, closest to the CPU socket). [MSI] Starship/Matisse Root Complex 00:00. 0 Host. [AMD] Renoir PCIe GPP Bridge 00:08. [AMD] Family 17h (Models 00h-0fh) Internal PCIe GPP Bridge 0 to Bus B [1022:1454] IOMMU Group 11 00:14. 0 Host bridge [0600]: Advanced Micro Devices, Inc. 0 spec is not expected to be ratified until 2025, and that means we won’t see it appearing in systems until 2026 or 2027. 2 slots are not populated. 2 IOMMU: Advanced Micro Devices, Inc. 0 Non-Volatile memory controller:. In order to passthrough a device it has to be in its own IOMMU group, or pass all the devices in the same IOMMU group. 1 IOMMU_PCI=00:01. Chipset takes these 4 pci-e lanes and creates a bunch of pci-e. GPP_G_14_GSXDIN:DMI AC COUPLING FULL VOLTAGE MODE WHEN SAMPLED LOW 1: PCH HAS INTERNAL WEAK PU 0: CONSENT STRAP IS ENABLED. Although it's not obvious from the topology listing, one of the Intel Ethernets is on the motherboard (but. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B] 00:08. 1 and 08. [AMD] 1453: Family 17h (Models 00h-0fh) PCIe GPP Bridge: Vendor Device PCI: 1022: Advanced Micro Devices, Inc. . [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B] [1022:1484] IOMMU Group 11 00:08. 0 1x4 PCIe® 4. 10. [AMD] Starship/Matisse PCIe Dummy Host Bridge My motherboard's a X570 I AORUS PRO WIFI and the two M. 0 Host bridge [0600]: Advanced Micro Devices, Inc. You cannot shared devices in the same IOMMU group between VMs and/or the host. 4a) TUF-RTX4090-O24G-GAMING. You are correct that PCIe x4 does provide less power, max 25w vs max 75w in a PCIe 3. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B] (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0, IRQ 32, IOMMU group 10 Bus: primary=00, secondary=0d, subordinate=0d, sec-latency=000:07. 2 slots on the X670 Aorus Elite AX and three PCIe slots. 0 Host bridge: Advanced Micro Devices, Inc. In the PCI-e expansion slot I installed a SB Z card: The PCIe GPP bridge states Version 3. 0 SMBus: Advanced Micro Devices, Inc. 1d94. See Section “ PCIe and NVLink Topology. No ACS patch here. 153. 00:08. 0 Host bridge: Advanced Micro Devices, Inc. 1 installed on H11SSL-i with AMD EPYC 7351P. 1 Audio device: NVIDIA Corporation GP104 High Definition Audio Controller (rev a1)Ariel PCIe GPP Bridge: Vendor Device PCI: 1022: Advanced Micro Devices, Inc. Sounds like the GPU does not reset properly, which the Vega 64 GPU is notoriously known. Renoir Internal PCIe GPP Bridge to Bus: Find drivers for your hardware by creating a probe. There are two main types of resets - conventional reset, and function-level reset. I have a Ryzen 3600. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B] [1022:1484] (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0, IRQ 33 Bus: primary=00, secondary=31, subordinate=31, sec-latency=000:08. 02:0a. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 26) Here is the groupings for the actual board, ASUS TUF B450M-Plus Gaming (don't have the second card in right now): IOMMU Group 0: 00:01. Here you can see what is inside the BIOS – Supermicro H11SSL-i BIOS screenshot review – AMD EPYC 7351P 16-Core Processor 3x SATA Controllers – SATA controller: Advanced Micro Devices, Inc. Device Name. x with patches fromThe first monitor is connected through a DisplayPort cable and the second through an HDMI one. #2. 0 is set to enhance the data transfer speed to 128 GT/s for each pin, substantially improving the 64 GT/s in PCIe 6. [AMD] Matisse PCIe GPP Bridge Kernel driver in use: pcieport 04:00. 0 IOMMU_USB=00:14. 1 PCI bridge: Advanced Micro Devices, Inc. 04. An OmniOS user reported a problem on a server with a pair of Mellanox Technologies MT27700 Family (ConnectX-4) cards not working. 0 Host bridge: Advanced Micro Devices, Inc. 1 is a SATA. GFXO-GPP-IGFX-PCI 2. 13e1 Ariel IOMMU 13e2 Ariel PCIe Dummy Host Bridge 13e3 Ariel PCIe GPP Bridge 13e4 Ariel PCIe Dummy Host Bridge 13e5 Ariel Internal PCIe GPP Bridge 0 to Bus A 13e6 Ariel. The PCI nic speed in guest is almost the same as the host: iperf3 score: 939 Mbits/sec. マザーボード 上のPCI Express x16 スロット. You will see the blank window above. Although it has been errorless for about 7 hours with pci=nommconf, many say it may impact performance in. Can confirm there are separate IOMMU groups for every device. [AMD] Starship/Matisse Root Complex 00:00. [AMD/ATI] Caicos HDMI Audio [Radeon HD 6450 / 7450/8450/8490 OEM / R5. The difficulty is. Oct 3, 2019. 00:07. 4 Patch B (SMU v46. Its upstream device is a PCIe GPP bridge at 00:03. The card appears at group 6, but with a load of other devices too. [AMD] 1454: Family 17h (Models 00h-0fh) Internal PCIe GPP Bridge 0 to Bus B: Vendor Device PCI: 1022: Advanced. 03:0a. How to find out PCI version information in linux. 1 PCI bridge [0604]: Advanced Micro Devices, Inc. go to the wiki page ‘Usable PCIe Lanes’. 2. 0 Host bridge [0600]: Advanced Micro Devices, Inc. 0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0. Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge: Vendor Device PCI: 1022: Advanced Micro Devices, Inc. I should have also mentioned that it's bound to the vfio-pci module so that the host doesn't use it, or the BluRay drive attached. [AMD] Renoir PCIe GPP Bridge 00:02. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B] [1022:1484] IOMMU Group 11: 00:08. 1 PCI bridge: Advanced Micro Devices, Inc. 00:07. PCIe 7. I returned an ASRock X670e Steel Legend for that reason, as it has just 7 IOMMU groups, while its replacement, Gigabyte X670e Aorus Master, has 31. uPD720201 USB 3. 8. Installing the amdgpu proprietary drivers. IOMMU group 8:[1022:1454] 00:07. 1 PCI bridge: Advanced Micro Devices, Inc. 10:Logs (61) How it fits BSD? HC Technology. If I copy from the ssd to external USB 2. PCIVEN_1D94 or Chengdu Higon IC Design Co. 1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir PCIe Dummy Host Bridge 00:02. Then there is an "Internal PCIe GPP Bridge" to provide USB, Audio and crypto functions. However, not all motherboards are valid for vga-passthrough. If you already tried all the USB ports, check if your motherboard has an unused USB front panel connector. Do this three times: 0000:0c:00. It does not get detected by the system. 1 PCI bridge: Advanced Micro Devices, Inc. The term “PCIe card”. [AMD] FCH SMBus Controller (rev 61). The Japanese company tweeted images of a unique little accessory that might just make the GPU cable hiding job a little easier, simply by bridging it around the GPU so. 00:02. 0 Host bridge: Advanced Micro Devices, Inc. 11ac PCIe Wireless Network Adapter 10ec:8812] (rev 01) Subsystem: Realtek Semiconductor Co. But in fact, Ryzen can work even without an onboard chipset. 0 device heats up my SSD up to water boils point. 1, while the S8 was at 62:00. 6. 2 slot for NVMe storage device) 1 4x PCIe 4. 2. 7k +3va_ec skylake hm170 gpp_c3 sml0clk native sml0_clk pu 2. 書籍、文書では. My understanding is the card will run more slowly but will not be damaged due to lack of power. Describe the bug when running bottles from the terminal, the following message appears immediately, it also often comes back, making the terminal filled with errors : " (ERROR) Unable to load libGLX_nvidia. 从上次PCIe的前世今生的介绍知道,PCIe最多有16条Lane,每条Lane最多可以达到32Gbps(Gen5)的速率(如果支持)。那么,用什么样的接口可以承载这样的PCIe连接呢? 目前已有的接口规范有下面几种. GPP is a Nvidia program that gives partner AIBs (EVGA, Asus, Gigabyte, etc) marketing incentives if they drop their gaming brands for other competitors and align themselves. 2, standard pcie x1/x4/x8/x16, mini pcie, and thunderbolt also uses pcie lanes. 1 PCI bridge [0604]: Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B] [1484] Group 10: 00:08. EYPC 73F3 PCIe downgraded from PCIe Gen4 to PCIe Gen2 in Ubuntu 20. 00:08. The Beelink GTR5 physically consists of a 168 x 120 x 39mm (6. I only have USB keyboard, mouse and onboard/built-in BT adapter connected but all of them are connected to USB2 ports and this driver AFAIK is responsible for USB3. The device is supported by kernel versions 2. 18 and up to 5. 1. [AMD/ATI] Navi 10 XL Downstream Port of PCI Express Switch [1002:1479] Kernel driver in use: pcieport 0c:00. The AMD Socket AM4 platform is for overclockers1 and tweakers who need the very best, the AMD X570 chipset offers comprehensive, low-level control, and supports dual graphics card configurations thanks to two PCIe® 4. But whenever I assign RX580 to the VM, it will not boot. , Ltd. Kernel Drivers. audio not working amd ryzen. Internal PCIe GPP Bridge 0 to Bus B: Vendor Device PCI: 1d94: Chengdu Haiguang IC Design Co. 0 Host bridge [0600]: Advanced Micro Devices, Inc. Okay, whatever makes you feel better. With regards to the GPP BIOS option, GPP refers to any. Quote. X670. This page is for the “rev 1. [AMD] Starship/Matisse PCIe Dummy Host Bridge [1022:1482] IOMMU Group 0 00:01. Considering that. / Notes: / Chip Description: / Chip Number:Click on your Windows 10 VM and then click Open on the menu above. 2 PCI bridge: Advanced Micro Devices, Inc. 4 (turbo), 8 core / 16 Thread. (PCIE总线-连接外部设备的总线,DMI总线-CPU连接南北桥的总线,现在北桥集成到CPU,CPU连接PCH主板芯片组,DMI总线是基于PCIE总线进行传输,CPU和PCH芯片组是4条通道). Can confirm there are separate IOMMU groups for every device. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B] [1022:1484] Subsystem: Advanced Micro Devices, Inc. 0 Host bridge: Advanced Micro Devices, Inc. Kernel Drivers. 2 PCI. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge 00:08. [AMD] Renoir/Cezanne Root Complex 00:00. Device [10ec:8203] Kernel modules: rtl8821ae. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge 00:01. all screen images were taken using the display port cable connected directly to the video card on the monitor, even because my ryzen. 0 interface. 0 Host bridge: Advanced Micro Devices, Inc. 0 X16 GPU Riser Cable Length 200mm, Female 90 Degree Angle, Compatible with Gen 3 GPUs, Such as GTX1080, RTX2060, RTX2070, RTX2080, RTX2080Ti, etc. Trying this on 18. [AMD] Renoir Internal PCIe GPP Bridge to Bus Flags: bus master, fast devsel, latency 0, IRQ 32, IOMMU group 7GNU General Public License. PCI-GFXO-GPP-IGFX (Current Selection) 4. test PVE and VM. [AMD] Renoir PCIe Dummy Host Bridge 00:02. . [AMD] Renoir PCIe GPP Bridge 00:01. 01:00. Discuss this device on our forum. Sorry im not sure if this is the easiest way to do what you asked. itsyaboi August 1, 2019, 3:33pm #3. This article details the Gigabyte X570-UD motherboard, providing Linux kernel configuration hints and outlines what to expect (including known hardware and firmware issues). 0 VGA compatible. 1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Internal PCIe GPP Bridge 0 to Bus B [1022:1454] IOMMU Group 9 00:08. Hardware specs may vary. IOMMU Group 0 00:01. 0 bandwidth for graphics and storage. C8A1 16GB), one drive (Biwin Storage Technology Co. 2 IOMMU: Advanced Micro Devices, Inc. Poke around in device manager under system devices. Setup pci pass through. [AMD]. 11ac PCIe Wireless Network Adapter Works [10ec:c822] rtw_8822ce — — Bluetooth Realtek Semiconductor Corp. got the pcie 3. 57 inches) square metal case. 0 Host bridge: Advanced Micro Devices, Inc. 4. #804. 1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Root Complex Subsystem: ASUSTeK Computer Inc. 2 IOMMU: Advanced Micro Devices, Inc. Can someone please tell me which selections would be chosen to run a PCIe video card? I am using Windows 7. 0. I am wondering if their is anyway I can get these cards to sit within their own groups. 2) * 4 go to chipset. [AMD] Renoir Internal PCIe GPP Bridge to Bus 00:08. 3 PCI bridge: Advanced Micro Devices, Inc. ilikelinux (luciano s. 0 plus 4x PCIe® GPP. 00:01. $ MESA_VK_DEVICE_SELECT=list vulkaninfo ===== VULKANINFO ===== Vulkan Instance Version: 1. Hence, only the second monitor is working. Do I need to update some drivers to enable this or is this just normal for this laptop? Thankss, thought something bad. Name. [AMD] Starship/Matisse PCIe Dummy Host Bridge [1022:1482] IOMMU Group 10 00:08. 49. Maybe Ainex has your back. 2 IOMMU: Advanced Micro Devices, Inc. 0 Host bridge: Advanced Micro Devices, Inc. 1,678 Views. 0 GHz with Radeon RX Vega 10 Graphics. 0. A couple of months ago I bought a new system based on Aorus X570 Master and a Ryzen 3950X with the intention of gaming on a Window VM using PCI passthrough. When i installed ubuntu on my amd ryzen there was no output device, then after I follow some guides turned to dummy output and now recognize the output. [AMD] Family 17h (Models 00h-0fh) Internal PCIe GPP Bridge 0 to Bus B 00:08. 0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe. [AMD] FCH SATA Controller [AHCI mode] (rev 51)lspci 00:00. e. 1 xHCI Controller AIDA should. 1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Renoir Internal PCIe GPP Bridge to Bus (prog-if 00 [Normal decode]) Subsystem: Advanced Micro Devices, Inc. QUICK REFERENCE GUIDE | AMD SOCKET AM5 MOTHERBOARDS (BC3 - Wht) Lquas eost, sande plitatibus esto bea quiae si dolor sum volupta corectum as ipsam laboreptate vere. 0 technology is targeted to be a scalable interconnect solution for data-intensive markets like Artificial Intelligence/Machine Learning, Data Center, HPC, Automotive, IoT, and Military/Aerospace. 00:07. [AMD] 1454: Family 17h (Models 00h-0fh) Internal PCIe GPP Bridge 0 to Bus B: Vendor Device PCI: 1022: Advanced. even if you don’t have a monitor attached, the OS will still be outputting some sort of signal which uses the main gpu. It's likely that the USB ports you're trying are connected to a different controller, like the one at 02:00. I tried to passthrough the GPU as secondary with VNC still enabled and discovered it gets stuck in Windows logo screen with circling dots.