TargetBridge revives the lost Target Display Mode by enabling Intel iMacs to function as external displays for Apple Silicon Macs. This free, open-source solution uses Thunderbolt Bridge technology, allowing seamless 5K streaming over a direct connection, making tech compatibility easier than ever.
TargetBridge
TargetBridge enables the use of an Intel iMac as an external display for Apple Silicon Macs through a direct Thunderbolt connection, restoring the functionality lost since the removal of Target Display Mode in 2014. This open-source solution allows seamless streaming of screens up to 5K resolution, catering to users looking to optimize their workspace without the need for additional hardware.
Key Features
- High-Resolution Streaming: Supports various stream profiles including 5K, making it ideal for graphic design, video editing, and other high-definition tasks.
- Multi-iMac Support: Upcoming releases will allow multiple Intel iMacs to serve as receivers from a single Apple Silicon Mac, enhancing versatility for multi-monitor setups.
- Automatic Discovery: An automatic receiver discovery feature via Bonjour simplifies set up, allowing users to connect devices effortlessly.
- User-Friendly Interface: Intuitive dashboard for managing multiple sessions provides a streamlined experience for users.
Stream Profiles
Choose from multiple streaming options:
- Standard: 2560 × 1440
- Smooth: 2560 × 1440 @ 60fps
- Smooth+: 3200 × 1800 @ 60fps
- Crisp: 3840 × 2160 @ 48fps
- 5K: 5120 × 2880 @ 48fps
These profiles ensure that whether users are mirroring their display or using an extended desktop, visuals remain sharp and responsive.
Usage Scenarios
- Extended Desktop: Utilize the iMac as an extension of the desktop for more workspace. Simply select
Extended displayon the sender Mac. This allows for efficient multitasking and a more organized desktop layout. - Mirrored Display: Ideal for presentations or collaborative environments where the same screen needs to be viewed by multiple users.
Getting Started
Download the latest release of TargetBridge to install the Sender app for Apple Silicon Macs and the Receiver app for Intel iMacs:
Requirements
- Sender: Apple Silicon Mac (M1 or later) with macOS 14 Sonoma or later.
- Receiver: Intel iMac (2017 or later) with macOS 11 Big Sur or later.
- Thunderbolt 3/4/5 cable (backwards compatible).
TargetBridge not only revives a useful feature for macOS users but also provides a cost-effective solution for enhancing productivity with minimal setup.
Explore the project further on its GitHub page for detailed documentation and updates.
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