I've tried a lot of different combinations to achieve this.
But nothing works.
FreeHdBoot Boots showing the logo (allowing me to use launch Keys) but then it boots into the HDD-OSD with the non-hacked OSDSYS.
I'm using:
HDD-OSD from a image made by vash32 (recovered from a youtube tutorial)...
What is FMCB?
Free Memory Card Boot (FMCB) is a homebrew software which is designed to setup your PlayStation 2 console and provide you with a means of launching homebrew software, without the need for any extra hardware, modifications to your console or dangerous tricks like the legendary swap...
The PS2 Community is still going strong and developer @sp193 continues to make improvements across the board on the PS2, with some of the dev's latest work coming with a series of new updates to Free Memory Card Boot (FMCB), Since June of this year the dev has provided the progress and reports...