Tektronix TDS2CM to TDS2MM Hack

In this video, I hack a Tektronix TDS2CM Communications Module to upgrade it to a TDS2MM Maths Module.

If anyone has any firmware versions of the TDS200 scopes or these addon modules, that are not on Tekwiki, please send me a copy!

Parts used: AT27C040-70 - PROM Chip IS62C1024AL-35 - 1Mb, 128K x 8 RAM Chip

Links to Tekwiki (For firmware files): https://w140.com/tekwiki/wiki/TDS2MM https://w140.com/tekwiki/wiki/TDS2CM

Link to EEVBlog forum thread: https://www.eevblog.com/forum/testgear/need-tektronix-tds220-firmware-file/ ... https://www.youtube.com/watch?v=MKwDZn6nyXo