I was having Simular troubles with my magic3 in a PAL v7 machine,
Frequency CDr will NOT boot (red screen every time)
Also same with Mediaplayer, PGen and Snes-Station
BUT THE KERRAZY thing is All other CDr games i have Boot Quicker than Originals cd/DVD ???
Pgen+Snes-station definately work coz i tried them in a magic2 machine B4 this and it was a BRAND NEW PS2
Sorry i can't offer help but its nice to know you arn't stuck alone
Voted Best Avatar on PS2newz 2003 !!!
PAL V7 with DMS3,
XBOX V1.1 with Xecuter2.2 PRO Custom Hacked/Edited M$ Dashboard, Self installed and Blue Eject light, Clear jewel