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The RF modulator (right) allows you to use your television instead of a computer monitor for the display. Uses the RS232 Interface and Terminal Emulator II. So you can access stock prices, airline schedules, weather, restaurant menus, and shoppers guides.
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It communicates with similarly equipped computers at remote locations, and accesses data bases and software services. The Home Computer can send and receive messages, data, and entire programs through a standard telephone.
#Ti 99 4a emulator mac os x serial#
The RS-232 sidecar is for serial communications with other peripherals, such as the TI-modem (left), which is used for telecommunications (dial-up) with other computers. With the appropriate software, the Video Controller can be used to control a VCR to synchronize its functions with those of the computer. Some say that the Video Controller was the most expensive, and possibly the most rare and desirable TI-99/4 peripheral. The Memory Expansion unit does not have any connectors other than the system bus, but seen below are the rear-connections of the RS-232 (with two serial ports), the Disk Expansion, and the Video Controller. Hope you have a wide desk to hold it all! More sidecars can be attached, but the TI-99/4 can only use six maximum (Speech Synthesizer must be first, Memory Expansion second). Seen above is the TI-99/4 console with the Memory Expansion (32K RAM), RS-232 Serial, and Disk Controller sidecars attached. Name/description Part number Original price "Sidecar" expansion units can be attached to the system bus on the right side of the TI-99/4.