Help with clover and windows XP

I chose to post in this subreddit because the clover bootloader doesn't have it's own subreddit.

I have a wyse 3040 and want to run windows XP on it. sadly I have been cursed with a thinOS one with no CSM.

On the builtin emmc I have installed chromeOS flex, and I wish to keep it as an option.

On a 32gb usb3 drive constantly plugged in the front, i have a half-gig clover partition and the rest is empty space for windows XP to install on.

I want to choose between chromeOS and XP with a boot menu whenever the USB is plugged in.

I have set the usb above the emmc in the boot priority and I have a physical (burned) XP install disk.

I have built cloverleaf with the macOS ./buildme script and copied it over.

I can see the usb as bootable, but booting from it gives me a black screen. this screen turns off instantly.

Do I need to change my config.plist? help?