Hi
Well done for tracking down the lines!
I noticed the issue too and have reported the problem on the VBox forum already.
https://forums.virtualbox.org/viewtopic.php?f=6&t=86992
P.S. 0xA000 is nothing to do with fastload, it is just where the Main Menu is stored by E2B (address 20MB) for quick reloading of the Main menu.
Topic: Easy2Boot
Date 06/03/2018
By SteveSi
Subject Re: Possible bug in latest VBox 5.2.8 triggered by E2B menu.lst
———
Back