This Game Boy Test Cartridge was given to technicians in order for them to test Game Boy systems for defects. It runs some very simple programs and has the following tests on it's main menu:
This test cartridge will work on all Game Boy consoles, most notably the function that detects button-presses to ensure they’re working; note, though, that this particular cartridge cannot test the shoulder buttons on Game Boy Advance consoles, but can still evaluate the other buttons.
The main menu says:GAME BOY TEST MENU1 AUTO TEST2 SCREEN TEST3 CONTROLLER TEST4 SCROLL TEST5 SOUND TESTPRESS SELECTPRESS A TO STARTc 1990 NINTENDO
AUTO TESTRAM TEST PASSPRESS A TO STEPTO NEXT TEST
SCREEN TESTSCREEN TESTPRESS A BUTTONTO BEGIN TESTTHREE PATTERNSWILL APPEAREVERY 3 SECONDSTEST FAILS IF ANYLINES ARE BLANK
CONTROLLER TESTPRESSEACHBUTTONThis shows a picture of the game boy with the controller buttons on it. When you press a button it lights up the button in the picture and makes a different tone beep for each button pressed. After you press all the buttons it says:TESTPASS PRESSA AND BFORNEXTTEST
SCROLL TESTPRESS B TO SCROLLCHECK FOR A SMOOTHSCROLLWhen you press B the screen with the text scrolls down and to the right. This reveals the following text:PRESS A TO STEPTO THE NEXT TEST
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