I first tried the text change using Clover Configurator (it's what I had). No change with the text upgrade. I Downloaded Xcode. and re-examined the Config.plist. Everything "looks" like a fragmented online list. Not at all straightforward as the text editor I had used. I checked the 2 edits you had mentioned above - they are indeed there in Xcode.
The verbose screen is still showing the "old" Voodoo kext.
It seems to be ignoring the USB stick, and booting off the laptop (erroneously). Odd, since I am selecting Install Mac OS as the Clover Start up disk. Is there any other way to force it to use the USB stick?
Also, here are the 2 pages from Xcode:
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