Use iMac 27" in Target Display Mode with Raspberry Pi - Ask Different
Third-Party Workaround for Target Display Mode | Astropad
Instructions: Use the iMac as a Windows PC monitor »Sir Apfelot
Target Display mode is pretty Universal on the 27 inch iMacs from 2009 & 2010 with only a mini display port connection required. : r/mac
Apple iMac 27in (2012) Review | Trusted Reviews
How to use 27 inch iMac as a display. (Target Display Mode) - YouTube
How to Use Your iMac in Target Display Mode - YouTube
Luna Display's powerful Target Display Mode feature for Mac adds Ethernet and Thunderbolt support - 9to5Mac
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.
How To Use an iMac as a Monitor for a PC
macbook pro - MBP + iMac late 2012. Target Mode. Audio from iMac not working - Ask Different
Using an iMac as a Monitor in Target Display Mode | Envato Tuts+
How to Use an iMac as a Display with Target Display Mode