I found this image about how to use a Mac mini M1 and an iMac at Target display Mode. Does it really work? : r/mac
How to Integrate M1 Mac mini with Target Display Mode Thunderbolt Displays (Up to 3 Displays!) | MacRumors Forums
How and why to use Target Disk Mode on Mac
Use iMac as monitor: 5 Solutions - 9to5Mac
Modern Macs Still Need FileVault
How to Use Your Old iMac as a Monitor
Instructions: Use the iMac as a Windows PC monitor »Sir Apfelot
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.
The New 2021 24" M1 iMac. Everything you need to know! - Mr. Macintosh
M1 MacBook Air & 2009 iMac with Target Display Mode : r/macsetups
You Cannot Use the 24-inch iMac as a Target Display (External Monitor)
M1 iMacs don't offer Target Display Mode for use as an external monitor, but here's a workaround - 9to5Mac
What Is Target Disk Mode on Mac [macOS 13/12/11] - EaseUS
Use your iMac as a display with target display mode - Apple Support
M1-Based Macs Have New Startup Modes: Here's What You Need to Know | Mac -Fusion
Les Mac M1 gèrent le mode "target-display" des anciens iMac 27"
Apple Silicon M1 24-inch iMac review: Computing power for the masses | AppleInsider
Third-Party Workaround for Target Display Mode | Astropad
How to Boot Mac in Target Disk Mode on Intel and M1 Mac
M1 iMacs don't offer Target Display Mode for use as an external monitor, but here's a workaround - 9to5Mac
M1 Macbook Pro - Target Display Mode? | MacRumors Forums
Can I connect Macbook Air to IMac 2010 fo… - Apple Community
The Ins and Outs of Your iMac's Target Display Mode
Third-Party Workaround for Target Display Mode | Astropad