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The machine was geared toward home use and a modest budget, and it copied the IBM PCjr's 16-color graphics (PCjr's graphics were an extension of CGA video) and 3-voice sound, but didn't use the PCjr cartridge ports. As the Tandy 1000 outlasted the PCjr by many years these graphics and sound standards became known as "Tandy-compatible" or "TGA," and many software packages of the era listed their adherence to Tandy standards on the package.
The Tandy machine had built-in game ports compatible with those on the TRS-80 Color Computer, as well as a port for a "light wand". Most Tandy 1000 models also featured line-level sound and composite video outputs so that a standard television could be used as a monitor, albeit with much poorer video quality. Unlike most PC clones, several Tandy 1000 computers had MS-DOS built into ROM and could boot in a few seconds. Tandy bundled DeskMate, a suite of consumer-oriented applications, with various Tandy 1000 models.
The original line was equipped with the Intel 8088 CPU which was later extended to the 286The Intel 80286 is an x86-family 16-bit microprocessor that was introduced by Intel on February 1, 1982. Initially released in 6 and 8 MHz editions, it subsequently scaled up to 20 MHz, and was widely used in IBM PC compatible computers during the mid 198. Common models of the machine included the Tandy 1000, EX, HX, SX, TX, SL, RL, and TL.
Eventually the Tandy Corporation sold its computer manufacturing business to AST Computers. When that occurred, instead of selling Tandy computers, Radio Shack stores began selling computers made by other manufacturers - such as CompaqCompaq Computer Corporation was founded in February 1982 by Rod Canion, Jim Harris and Bill Murto, three senior managers from semiconductor manufacturer Texas Instruments. Each invested $1,000 to form the company. Their first venture capital came from Ben.
The Tandy 1000 EX was designed as an entry level IBM compatible personal computer. The EX was a compact computer that had the keyboard directly connected to the the computer. The computer had one 5.25 disk drive on the side of the right side of the machine.
The Tandy 1000 HX was designed as an entry level IBM compatible personal computer. The HX was meant as the sucessor to the EX. Like the EX, the HX was a compact computer with the keyboard directly attached to the computer. The computer came with an Intel 8088 CPU, 256 kilobytes of memory, and had one 720k 3.5 inch disk drive on the right side of the machine behind the keyboard. HX computers came with MS-DOS 2.11 built into the ROM. Deskmate 2 was included with the HX.
The computer's memory could be expanded to 640k. This would be accomplished by placing a memory expansion card in the expansion slot, which came with 128 kilobytes, and adding another 384 kilobytes in memory chips to this board. The expansion cards were not industry standard - they were specialized "Plus Cards" that were built by Tandy. There were three slots available in the computer case. There was another 3.5 inch drive slot in the computer case. On the back of the machine there was a port which allowed a user to connect an external 360 kilobyte 5.25 inch disk drive. There was also a slot to connect a printer.
The 1000 HX did not come with a hard drive, and Tandy Corporation did not manufacture fixed disks for this type of computer. However a number of third party vendors made fixed disks for the HX available for sale.
The settings on the computer could be changed so that instead of looking in ROM for DOS at bootup that it would go to the floppy drive instead. Most versions of MS-DOS worked with the 1000 HX, including DOS 3.x, DOS 5.x, and later versions. There was a quirk in the DOS 4.0 enviornment that prevented that version of DOS from working with HX computers.
The Tandy 1000 TL/2 was meant to be the high end machine to the 1000 series. The machine came with an Intel 286 processor. The computer had 640 kilobytes of memory. There was also room for an extra 128 kilobytes to be installed to bring the total to 768 kilobytes. The TL/2 was designed so that the first 640k was used as traditional memory, if the extra 128k was available it was meant to function as video memory.
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