See the first paragraph above. If you’re using a Duet 3 + Raspberry Pi, use the SD card in the Raspberry Pi (see the linked documentation). If you are using the Duet 3 without Raspberry Pi (stand alone), the SD card goes in the Duet 3. The Duet 3 already has the firmware on it, the SD card is for the configuration.
For further support, please use the forum: https://forum.duet3d.com/
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Please use the Duet3D forum for support: https://forum.duet3d.com/
Thanks for pointing this out, fixed!
No, it’s the SD socket on the PanelDue that is disabled, not the SD socket on the Duet, if you use the 4-wire cable. The documentation above clearly says “SD socket on PanelDue not accessible” when using the 4-way cable.
I think you have a curly quote in your M587 command. All quote marks should be straight quotes.
Generally, you will get a quicker response if you use the Duet3D forum for support: https://forum.duet3d.com/
Please discuss this on the forums: https://forum.duet3d.com/