UEFI booting with Yoga 370
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That’s right. It works exactly as desired.
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@sudburr You still have the other USB NIC adapters by any chance? Would you give those a try as well?
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I already tested the others (see above) with the same BIOS and fog server configuration (1.4.4 / 4.12.3).
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@sudburr Sorry, didn’t figure you had tested those on that very same model. Now I got it.
So that means the issue is gone. Most probably because of a new hardware release or firmware version?!?
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No. Nothing changed on the laptop.
To get past the inits in UEFI network boot I had to use the Lenovo Mini-Ethernet Extension Adapter ( p/n: sc10a39882aa, fru: 04x6435 ) that I just acquired.
To get past the inits in Legacy network booting I can use the Lenovo ThinkPad USB 3.0 Ethernet Adapter ( p/n: SC10H30171/RTL8153 FRU: 03X6903 ) or the Lenovo Mini-Ethernet Extension Adapter ( p/n: sc10a39882aa, fru: 04x6435 ) that I just acquired.
All tests were conducted with BIOS 1.17 and fog server configuration (1.4.4 / 4.12.3).
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@sudburr Ok, thank you very much again for all the tests and detailed information! So I mark this solved (on my todo list) now.
Hope that all the other Yoga 370 users out there find this!
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I can now confirm that the Lenovo Mini-Ethernet Extension Adapter (p/n: sc10a39882bb, fru: 04x6435) also works in both UEFI and Legacy network boot.