It's not needed either, because every PS2 has USB-Slots, contrary to FireWire, LAN and HDD.
Originally Posted by SP193
Ah,... So it also is somewhat 'reserved' for future-additions.
And I wanted to give more room for expansion (Without the need for the user to upgrade so often).
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