plunky@rya-online.net said:
>  he did
>  somehow disable EHCI in the bios (downgrades USB to v1)

Actually I did disable it in the kernel configuration.
The BIOS is quite unusual, don't know whether this is
possible at all.

The box is a Latitude D820 btw; the hardware quite close
to yours (except unrelated details).

> it appears to make the bluetooth dongle work

Yes, I could communicate with a mobile phone.

best regards
Matthias