Some games have problems with non-Sony-MCs.
The format of your MC also could be somewhat corrupted.
If this is the case, normally the re-partitioning (not format) of the MC works wonders (and is only possible with MCAnnihilator by ffgriever, or by HD-Project from various developers).
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