Priest of the Order of the Butterfly
Posts: 508 from 2010/10/14
From: Nevada
I forget which key you can hold down during the boot process of MorphOS to default to a lower resolution. Maybe it was the Alt key if you have a PC usb keyboard. Since your x1900GT is a Mac version, the nVidia one is not needed at all. :)
No guarantees holding down the key will remedy why it just hangs at a white screen but worth a try.
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YUUUP!