Looks like you bought a "v2" IOpener with its original crippled BIOS (dated 03/23/00 at the lower-left corner of your screen -- press Tab to see it when you start up the IOpener). The easiest fix is to swap the BIOS chip with a non-crippled one -- find a local IOpener hacker who could flash your chip for you, or contact BadFlash for commercial flashing services.
A slightly harder way to do this (but quite entertaining if you're into tinkering) is to get the "QNXFlash Sandisk Image". My public copy got corrupt, but Programmer has one at http://www.bethie.net/~programmer/v2_image_with_qnxflash102.gz
Copy the image onto your hard-drive using "dd" (in linux), or a Windows program called Dolly. Hook up the hard-disk as Primary Master. Start up, and press Ctrl-Alt-Esc to get into the BIOS Setup. Use a standard keyboard because you'll need an <ESC> key to navigate the BIOS Setup screens. Change "Standard CMOS Setup" -- set drive C to "None, None", and drive D to "490,2,65535,489,32,NORMAL". In "BIOS Features Setup", change the boot sequence to "D,A,SCSI". Save the settings, and restart the machine.
When you hear the male voice in the Introduction Screen, press Tab, then type 4444 and you'll find a black window with a QNX Login Prompt. Log in as "root", using the password "osiw$6.4" to get in. "cd app/ztest" will get you into the QNXFlash directory. "qnxflash -w bios_image_256k.bin" will flash an uncrippled BIOS image onto your BIOS chip. Reboot and enjoy.