|This page is rather stubbly and could use some expansion.|
Are you a bad enough dude to
The StudyBox 1000 is a cassette drive adapter for the Famicom that would read educational classes off of cassette tapes, similar to the cassette drive on a Commodore 64 or other computers of the time. The classes available were English (taught across 17 tapes), Science (12 tapes), and Math (also 12 tapes).
Likely only used in schools, the StudyBox and its tapes are extremely rare and hard to find.
Hold A and press Reset. The purpose of this mode is unknown.
Hold B and press Reset. The BIOS will perform complete ROM/RAM tests and display the results. Also, it will perform a printer test with output to the printer itself.
Touch Panel Test
Hold B + Select and press Reset. Now you can test the regular controllers, plus the additional touch-screen controller if you're lucky enough to have one.
Hold Right + Select + Start and press Reset. The purpose of this mode is unknown.