Hello Geert Thank you for the fast response. Yes, you're right: i forgot to write additional informations. Here, the additional informations: > That a bootloader like uboot does see the network hardware U-Boot don't see the ethernet interface: > U-Boot SPL 2018.11+dfsg-2 (Dec 09 2018 - 07:16:44 +0000) > DRAM: 2048 MiB > Trying to boot from MMC1 > > > U-Boot 2018.11+dfsg-2 (Dec 09 2018 - 07:16:44 +0000) Allwinner Technology > > CPU: Allwinner A83T (SUN8I 1673) > Model: Banana Pi BPI-M3 > DRAM: 2 GiB > MMC: SUNXI SD/MMC: 0, SUNXI SD/MMC: 1 > Loading Environment from FAT... Unable to use mmc 1:0... In: serial > Out: serial > Err: serial > Net: No ethernet found. > starting USB... > USB0: No host cable detected: Port not available. > USB1: USB EHCI 1.00 > scanning bus 0 for devices... 1 USB Device(s) found > scanning usb for storage devices... 0 Storage Device(s) found > Hit any key to stop autoboot: 0 > > Boot messages from the kernel In kernel, there are no specific messages regarding the Realtek ethernet. These are the messages, specific to the ethernet: > ~ # dmesg | grep "eth" > [ 7.318879] dwmac-sun8i 1c30000.ethernet: PTP uses main clock > [ 7.433860] dwmac-sun8i 1c30000.ethernet: PTP uses main clock > [ 7.449695] dwmac-sun8i 1c30000.ethernet: PTP uses main clock > [ 7.930216] dwmac-sun8i 1c30000.ethernet: PTP uses main clock > [ 8.532710] dwmac-sun8i 1c30000.ethernet: PTP uses main clock > If you need further informations, please let me know. Thank you for the great support Bernhard
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