Extended Desktop Mode on iMac G5

New iMac user here,
Just picked up a G5 iMac w/ 2.1 GHz. Video card is Radeon X600 XT.
Wanted to know if this will run 2 displays in extended desktop mode.
Everymac.com says that video card will, with some other firmware.
Has anyone tried this? What steps need to be done? Success rate?
thanks for any helpful hints.

It's been a month since you posted this question, so I hope you get this reply. The answer is yes! I have been using extended desktop on my iMac G5 for a while now with no problems. Do a Google search for "screen spanning doctor." Double check the supported systems, but I think yours is on the list.

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