❦ 16 août 2018 11:18 +0200, Aleksander Morgado <aleksan...@aleksander.es>:
>>>> If this modem is going to end up stuck with pure PPP and therefore maxing >>>> out at 25Mbps, then I'm not too concerned anyways since its use is rather >>>> limited. I just wish I could figure out how to switch this thing to MBIM >>>> (Tried everything listed in the AT Command reference guide, including >>>> factory resets and defaults.). >>>> >>> >>> Talked to Fibocom engineers and unfortunately that firmware version >>> you're using cannot do MBIM :/ >> >> On the latest Lenovo X1/T580/T480, this modem is plugged on a >> PCIe-enabled M2 port and boots as a PCI device. It seems Linux isn't >> able to handle that. People tried to tape the PCIe pins to make it boot >> as USB, but it's then blacklisted in the BIOS. Maybe you have some hints >> on how to make this modem switch to USB after booting? >> >> I don't own one yet, so I cannot really help with the specifics. >> >> Relevant thread: >> >> https://forums.lenovo.com/t5/Linux-Discussion/Linux-support-for-WWAN-LTE-L850-GL-on-T580-T480/m-p/4067969 > > Fibocom engineers say there is no way to "switch" to USB after the > device has been booted in PCIe mode. Was told that Intel may be > already working on the PCIe support for these devices in the kernel, > but while that is not a reality, there seems to be absolutely no way > to handle the device in the Thinkpad running Linux, unless Lenovo > decides to add the corresponding USB vid:pid in the BIOS whitelist. Thanks for the heads up! -- Don't stop at one bug. - The Elements of Programming Style (Kernighan & Plauger) _______________________________________________ ModemManager-devel mailing list ModemManager-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel
