Jayros Test Cartridge for GB / GBC | Hardware Diagnostic Tool

🔧 Jayros Test Cartridge for Game Boy / GBC | Hardware Diagnostic Tool for Retro Consoles

Perfect your handheld gaming setup with the Jayros Game Boy Test Cartridge—a powerful hardware diagnostic tool built for the Game Boy Color, yet fully compatible with Classic GB, Super Game Boy, Game Boy Advance, and even popular clones like Analogue Pocket and GB Boy Colour. Whether you're a technician, collector, or modder, this cartridge is packed with intelligent features for button, screen, sound, link port, and SRAM testing—all in one easy-to-use menu system.

🛠️ Key Features:

• ✅ Auto-Detects Hardware – GB, GBC, GBA, Super GB

• ✅ Easy-To-Navigate Menu Interface

• ✅ Endless Button Testing – great for repairs or mods

• ✅ IPS Screen Testing – detect dead pixels, ghosting, tearing & more

• ✅ Sound Test + 8-Key Piano – test stereo channels individually

• ✅ Link Port Testing – with standard GB/GBC link cables

• ✅ SRAM Save Testing – ensure memory saves correctly

• ✅ TV Calibration Patterns – for use w/ Super Game Boy & Game Boy Player

• ✅ Screen Lens Alignment Tool – ideal for LCD mod installations

• ✅ Rumble Motor Testing – supports MBC5 rumble cartridges

• ✅ Documentation Built-In – includes link/power pinouts by model

📏 Compatibility:

• Works with:

  • Game Boy, Game Boy Color, Game Boy Advance (GBC slot only)

  • Super Game Boy, GB Boy Colour, Analogue Pocket, ModRetro Chromatic

  • Goomba Color Emulator (on GBA)

• Note: Does not support GBA Link Cables for link port test

📦 What’s Included:

• 1x Jayros Test Cartridge for Game Boy/GBC

• (No manual required – features are built into on-screen menu)

Whether you're restoring, modifying, or just verifying hardware integrity, the Jayros GBC Test Cartridge is the essential tool every Game Boy enthusiast needs in their kit!