@Warmo161: All these questions have been asked and answered a few hundered times.
Btw.: There is a tutorial about 'OPL'/'Open PS2 Loader' linked on top of every page here on this site/forum.
If you have any problems related to the Video-Mode, you can search for 'GSM'/'GSModeselector'.
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