Enabled Fast Boot in the BIOS, which "shaved off" about 15 seconds when booting to Ubuntu.
I am now unable to access the "Boot Menu" with F2 key on power up, and or using the on-board button "PWR_BTN".
Did not see appropriate information in the following link to resolve my issue:
Also did not see adequate information to resolve this in
Intel Joule Module Expansion Board Design Guide
Intel Joule Module Expansion Board Hardwae Guide