out USB-Incompatibilities,... This problems seems to be limited to only a few, or one app (CodeBreaker).
(Most?) Homebrew-Apps are not affected by this.
2. About the 90ks,...
Well,... If they have a v230-BIOS or newer, it probably will never work. Sorry.
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