server Festival marking imac 2010 Secure seven tolerance
Apple iMac 2010 review: Apple iMac 2010 - CNET
apple-history.com / iMac (Mid 2010)
Incase anyone ever needs the answer…I have a 27” 2010 iMac working in Target Display Mode with a M1 MacBook Pro using a miniDP to USB C adaptor that's capable of 4k60Hz.