Multi purpose ethernet interface, with built in 128K EEPROM for settings, and MMC/SD card slot for mass storage being the three main features hence 'the trinity'.
Initial use of Trinity requires a floppy drive to load B-DOS or you can install a Trinity Boot ROM to allow the SAM to boot B-DOS from the onboard EEPROM at power on.
Current status: Released. Priced £79.99. Updated in November 2019 to v1.1 with purple PCB. Updated in 2021 with a red PCB.
Mass Storage for SAM files using MMC and SD cards up to 64Gb supported with B-DOS
The two TCP/IP test programs will be included on the software disk with supplied with the Trinity Ethernet Interface as well as on the coverdisk with SAM Revival issue 25.