Can I use the CV power supply on a TI 99/4A?

[+boxpressed]

I've got my old TI 99/4A but can't find the power supply. The CV PS has the same connector. I read that the CV PS is regulated but that the 99/4A PS is unregulated, so you should never use the 99/4A PS on the CV. However, what about the other way around? Can I use the CV PS on the 99/4A without frying the computer? Thanks for any thoughts.

[Pixelboy]

You know, some say that Mary Shelley's Frankenstein is a cautionary tale...

[+boxpressed]

Point taken. No shortcuts.

[+5-11under]

NO!