Aaaaah,... I guess that's relate how FMCB's CDVD-Detection-Routine is implemented and take control of the disc-recognition and start-up-process.
THX that you mentioned it!
I guess this is one of the very few issues/bugs, which were not addressed till now.
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