SM-B69
SM-B69 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.1 - Author:A.R - Reviewed by M.B. - Copyright © 2020 SECO S.p.A.
13
SM Bus
UEFI
USB 2.0 and USB OTG
http://www.usb.org/developers/docs/usb_20_070113.zip
USB 3.0
https://usb.org.10-1-108-210.causewaynow.com/sites/default/files/usb_32_20191024.zip