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This listing is for one Texas Instruments TI 99/4 Home computer. This is the predecessor to the 99/4A.
The unit is nearly perfect. There are a few small scratches on the metal if you look at it from the right angle. Otherwise, it is clean. There is a scratch on the one side (see picture) and several on the underside (see picture).
I used an RF modulator and power adapter from a 99-4A to test functionality.
Monitor, power adapter, and RF modulator not included.
Documentation