Diagnostic Cartridge, contains 4 diagnostic programs

The cartridge contains 4 diagnostic programs that can be selected using a DIP switch. Additionally, it is equipped with a reset button and a work indicator LED.

ROMs included in the cartridge:

1. Brendan Alford Diagnostics v 0.37
2. Retroleum DIAGRom v1.71
3. System TestROM Sinclair ZX Spectrum
4. 128k RAM Tester

The device is compatible with the following models: ZX Spectrum 16k / 48k / 48k+ / 128k / +2.

Customization options:

• Case color (to choose from):
  • green, red, beige (ecru), brown, gray, black, blue, yellow, light blue, white.
• LED color (to choose from):
  • white, red, orange, green, blue.