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Tandy 1000 RSX Computer System

The Tandy 1000 RSX is a compact IBM compatible 386 computer. Unlike the other 1000-series computers, it can use standard PS/2 keyboards and mice, as well as VGA monitors and other recently-made accessories. It is more sophisticated than many 386-based systems, in that it features built-in digital sound, high color/resolution built-in video, and a 25 MHz CPU (a large number of 386 computers run at 16MHz or 20MHz).

The 1000RSX can be upgraded to as many as nine megabytes of memory. According to the Tandy 1000 FAQ, this can be accomplished by putting "2 70ns 1Mx9 SIMMs or 2 60ns 4Mx9 SIMMs" in the sockets which don't already have memory installed. This model also has a regular 1.44MB 3.5" disk drive, two standard internal expansion slots, a volume control, earphone/microphone jacks, a serial port, and a printer port.

This computer can be used to run various older operating systems, including DOS, DeskMate, Windows 2.x, and Windows 3.x. It may be able to run some versions of Linux or Windows 95, but this has not been confirmed. In addition to being compact and relatively lightweight, the 1000 RSX has very low power consumption and minimal heat output. To read more about the RSX and Tandy in general, have a look at the following web sites...

1000 RSX, RLX, and RL Photographs
Radio Shack 1000RSX Support Index
Older RadioShack/Tandy Downloads
Windows 3.1 Sound Driver For RSX
Tandy 1000 Software, Documentation
RSX-related Newsgroup Messages
Tandy 1000-Series User Group
Tandy 1000 RLX Details (286)

The RSX is capable of supporting network interface cards, Zip drives, high-speed modems, relatively large hard drives, and other peripherals. It is often possible to find expansion cards, accessories, and software for this computer on eBay.com. These two web sites offer memory upgrades for this computer, although we have not tried purchasing from them:

Computer Memory Outlet
Edge Tech Corp

If the RSX is equipped with a modem or a network interface card, it is capable of connecting to the internet and accessing e-mail, web pages, and FTP downloads. DOS or Windows 3.x internet software can be used to accomplish this, although DOS programs are likely to run faster and require less memory. Here are a couple of links to software for this purpose, along with a directory of useful text-only websites which load & process quickly on dial-up connections and 386 computers:

Net-Tamer DOS Web Browser
Lynx Text-Based Web Browser
Useful Text-Only Websites