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NFB00
Beginner
198 Views

NUC8i5BEH, Gigabit Ethernet BIOS support is only alpha, 1 Gbps not achievable

The Ethernet adapter (based on I219-V) does not seem to support 1 Gbps, only 100/10 Mbps. Even with Cat6 cable and sub-1m connection to any other device can only be performed at 100 Mbps, other devices in the same configuration support 1 Gbps without any problem.

 

The BIOS settings don't offer 1 Gbps, and the firmware is only version 0.0.19, which suggest it's alpha. Yet I have NUC BIOS version 74 (BECFL357.86A.0074), which is the latest available.

 

This suggests the Ethernet component is unstable, or that the BIOS is not final and perhaps not configuring the device optimally. Please let me know when you plan to have an update for the adapter firmware.

 

This has been tested with different versions of Linux including openSUSE TW. If you are currently not supporting Linux, do you have any plan to do so? What would you advise regarding the drivers?

 

Thanks

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2 Replies
AlHill
Super User
52 Views

As you know, Linux is not supported. Future planned support cannot be answered here.

 

I just setup a NUC8i7BEH for a friend on Windows 10, with cat6 cable directly to the router, and all worked as it should.

 

You may want to verify/replace your cable. I had a cat 6 cable that was defective and only did 10/100. Also, if there are any switches in your mix, verify that they are 10/100/1000 capable.

 

Doc

 

NFB00
Beginner
52 Views

Hello, Thanks for your answer. The cables are not the problem, several Cat 6 or 5e cables that have no issue with other devices. Using those cables between a standard NIC card and a hub allow 1 Gbps, disconnecting the NIC and connecting the NUC shows 100 Mbps (both on the hub and in the NUC logs). Shame Linux is not supported, it also seems the product is not entirely stable and finished either. I suspect 1 Gbps is not even possible since it's not available in the BIOS (probably why they had to hack the Windows drivers), I'll wait for an update.