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BKwit
Beginner
1,366 Views

NUC6CAYH - Legacy boot and headless operation bugs

Hi!

I have found two bugs in Intel NUC NUC6CAYH with BIOS version AYAPLCEL.86A.0041.2017.0825.1152:

  1. When You select legacy boot and disable UEFI boot in BIOS, then booting from Samsung SSD 850 EVO fails with "A bootable device has not been detected" or "No bootable device found". When You press F10 and select hard drive from menu, then it is able to boot just fine with legacy boot. To solve this issue, You have to also enable UEFI boot - then legacy boot works automatically.
  2. If You lower AGP aperture size to minimum possible value in BIOS, then NUC will not boot at all if You disconnect monitor from HDMI port. If You want to run NUC in headless mode, without monitor, raise AGP aperture size.

Posting here just in case someone would need it.

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2 Replies
idata
Community Manager
117 Views

Zerg2000: Thank you very much for contacting the Intel® NUC communities. We appreciate you took the time to share this information on this thread. We are sure those details will be very helpful for all the users viewing this forum.

 

 

Any questions, please let me know.

 

 

Regards,

 

Alberto R
Mitchell_R_Intel
Employee
117 Views

Found this on the Techarp website BIOS Optimization Guide page:

It is recommended that you keep the Graphics Aperture Size around 64 MB to 128 MB in size, even if your graphics card has a lot of onboard memory. This allows flexibility in the event that you actually need extra memory for texture storage. It will also keep the GART (Graphics Address Relocation Table) within a reasonable size.

https://www.techarp.com/bios-guide/graphics-aperture-size/ https://www.techarp.com/bios-guide/graphics-aperture-size/

Hope this helps.

Thanks.

MrMitch ...