PCILEECH: Failed to connect to the device. - Screamer PCIe Squirrel

[kirysnik]

Hello, With my friend we bought pcie screamer squirrel and got the problem since the beginning. No matter what we do, what we have tried there is an issue we can't pass. We can't connect to the device through pcileech. We did everything what is wrote on this site https://docs.lambdaconcept.com/screamer/getting_started.html and also on github.com/ufrisk/pcileech. We tried to make it on linux, tried on windows but nothing works. On target computer it is seen as Ethernet controler and on control computer it is seen like this

In device manager it is seen like this: What we have to do to make it right and to run pcileech on windows. Also led1 and 3 are ON.

[ufrisk]

There are two ports on the PCIeScreamer. Connect the USB-C cable to the DATA port. Not the update port which you currently have it connected do.

Also don't use probe. It's super aggressive and if you're on an AMD system things are 100% guaranteed to stop working if you run the probe command. More info about AMD systems here:

1. Shut down the computer (power off) and start it again. This will clear any bad state from a previous probe command.
2. Move the USB cable to the DATA port on the PCIeScreamer
3. run pcileech.exe display -min 0x1000 -device fpga -v (this will test if DMA is working and will also print some debug output).

[kirysnik]

Thanks for fast respond :D Is it supossed to be like this? What steps next do I have to do to fully read the memory from the target computer?

[ufrisk]

you may try: pcileech.exe display -min 0x1000 -device fpga://algo=1 -v

if that doesn't work and you're on WIndows 11 on the targeted system:

• make sure your computer is unlocked (you're logged in) when you're trying to read memory
• disable anything that have to do with IOMMU / VT-d etc. in BIOS settings. (don't touch VT-x which is required for ordinary virtualization, just VT-d which is virtualization for devices).