That's actually pretty cool and I'm curious what GTE's firmware does. What software version are you seeing?
I'm not sure why they would overwrite MSPLAN yet leave it in the menu, but if they added an "option ROM", I believe you can run it with `CALL 61167, 2`. —b9 On Sun, Aug 4, 2024 at 6:10 PM Tom Blum <[email protected]> wrote: > Hello, > > New to the community and apologies if I'm raising a question/issue already > addressed. Just purchased a working T200. Power cycles nominally and > shows classic menu options. Selecting Multiplan from the menu places the > T200 into a frozen state. LCD screen appears to fill (shaded) completely > but program does not start, no visible text/graphics. Resetting and > power-cycle necessary to get back to the main T200 menu. Noted that this > T200 has a property label on the bottom indicating that GTE, Inc. (the > telecom company) was a previous owner and appears to show a unique GTE > software version #. Is it possible that the original/built-in Multiplan > ROM was (or could be) removed from the T200. As a newbie to the T, am > loathe to open up a working unit to see if a ROM is missing. Is there a > past or present ROM option module for the T200 that would have Multiplan > installed (or installable)? Tom >
