Yes, as described in FreeVast Continues-Thread.
If others will use older FMCB-Loaders, they can also use it in a vary of combinations.
I did this method also a bit time ago with uLE and PS2Browser.elf.
This might work with an external (optional ESR-File [<-- Find a workaround, to start decrypted ELF. ])
PS2 V7/DMS3 V2 (FW:2.4b7); Seagate Baracuda 200GB
PS2 V7/CC1.0 (FW:34 hacked v2 BM:2.1.6); Maxtor DiamondMAX9 PLUS 160GB
PS2 SCPH-30004R; NoMod+NoLaser
3xSony MC 8MB
MAX/Datel 16MB with Boot-CD
Custom FMCB 1.8b+ Beta-Build, my AIO 0.5, Sony&xRhino-Linux