The most current version of MS-DOS for Tandy 1000 is DOS 3.22. Furthermore, the Model 4 could be booted with any Model III operating system and emulated the Model III with 100 percent compatibility. 6 Disks of Games for the Radio Shack TRS-80 Model I vintage computer. By comparison, earlier Tandy 1000 models, like IBM PC and PC/XT systems, used DIP switches and jumpers for startup configuration settings. TRS was formed by the 1963 merger of Tandy Leather Company and Radio Shack (which was almost bankrupt at the time). The SL/TL and later used a more directly PC/XT-compatible keyboard protocol, and the 1000 RSX used a PC/AT and PS/2-compatible protocol. Many Tandy 1000s sold to schools came with the Diamond Trackstar 128 installed,[26] and home owners also purchased this for compatibility with both DOS and Apple II software.[27]. The Model 4's new hardware features included a larger display screen with 80 columns by 24 rows, inverse video, and an internal audio speaker. Topics: TRS-80, Radio Shack, Computers. Examples of such software includes Mario's Typing Tutor, Star Trek, Freddy Pharkas: Frontier Pharmacist, Sargon Chess. All the ROM programs were written by Microsoft, and even a few of them were written by Bill Gates himself! English: Category for the original "TRS-80 Micro Computer System" (AKA Model I) and its compatible successors, the Model III and Model 4 TRS-80 microcomputer launched in 1977, sold by Tandy Corporation through RadioShack stores It came with 128K of RAM Standard, and could be upgraded to 512K. TRS-80 was Tandy Corporation's desktop microcomputer model line, sold through Tandy's Radio Shack stores in the late 1970s and early 1980s. Vintage Tandy 1000 HX CM-5 Personal Computer & Radio Shack Color Mouse Lot. A Color Computer 2 is the odd one out. [32][33], The motherboard had a socket for the 80387SX math coprocessor. TRS-80 Model 16 Desktop pdf manual download. [25] Both were 13 inch displays and had a power cable and a 9 pin RGB cable to attach to the Tandy CGA port. The DAC could be used to emulate the Covox Speech Thing via MS-DOS device drivers for limited sound support. Tandy 1000 used a proprietary 6-pin female round connector for the joystick port that on the SX/TX was adjacent to the keyboard port in the front of the computer. The RLX had one 1.44 MB 3.5" floppy drive; an empty drive bay could host a second such drive. On July 30, 1986, Tandy announced the Color Computer 3. TRS-80 was a brand associated with several desktop microcomputer lines sold by Tandy Corporation through their Radio Shack stores. The Tandy 100 was actually a computer made in Japan by Kyocera. The TL series offered two upper 3.5" bays and one lower 5.25" bay. The combination of the acoustic coupler, the machine's outstanding battery life (it could be used for days on a set of 4 AA cells), and its simple text editor made the Model 100/102 popular with journalists in the early 1980s. Also available as an option to the Model 100 was an external expansion unit supporting video and a 5​1⁄4" disk drive, connected via the 40-pin expansion port in the bottom of the unit. The Tandy 1000 SL and SL/2 feature an Intel 8086 processor running at 8 MHz. There are also games and educational software that supports second generation Tandy 1000 graphics and sound, which offers 640 by 200 by 16 colors, and 8-bit DACs, found only on the 1000 sl/tl series. This machine was clearly aimed at the home market, where the Model II and above were sold as business machines. The CoCo2 was released in September of 1983. Tandy shipped PCs with their own customized version of MS-DOS, which are compatible with Tandy graphics and keyboard. The floppy drives used jumpers to select the drive number instead of the IBM cable twist. This high level of integration made these machines a cost-effective alternative to larger and more complex IBM PC/XT and PC/AT-type systems, which required multiple add-in cards, often purchased separately, to implement a comparable feature-set to the Tandy 1000. The RLX was the 'mid-range' offering of the RL line. As with the keyboard, it was compatible with the older TRS-80 and Tandy color computer models, but not compatible with the IBM standard 15-pin male game port. TRS-80 Microcomputer System Model I (26-1003) 1977 The TRS-80 Model I, or just TRS-80 Microcomputer System as shown on the computer itself, was introduced in August 1977. He's the only other person that's well-represented in the home market, and if he wants to abandon it, it's all right with me". The Model 16 adds a 6 MHz, 16-bit Motorola 68000 processor and memory card. It competed directly with the Commodore 64, Apple II, and Atari 8-bit family of computers. The 1000 RSX featured two 16-bit AT ISA slots. Most versions of MS-DOS worked with the 1000 HX, including DOS 3.x, and some later versions. The hard disk occupied the empty drive bay, so this version supported only a single floppy drive. The Tandy 1000 EX featured a 5.25" floppy drive built into the right-hand side of computer casing. With the exception of the RLX and RSX, the Tandy 1000 machines are XT-class machines, which cannot support extended memory despite some models using 80286 processors. [18], In an article subtitled "Junior meets his match", John J. Anderson of Creative Computing called the original Tandy 1000 "the machine IBM was too inept, incapable, or afraid to manufacture. [14], The 1000 and its many successors were successful unlike the PCjr, partly because it was sold in ubiquitous Radio Shack stores and partly because the computer was less costly, easier to expand, and almost entirely compatible with the IBM PC. The boot disk has both DOS and Apple software and is copy-protected. The TLs had 640 KB of memory preinstalled, with an option for an extra 128 KB for video frame buffering just as in the 1000 TX. 22 watching. In this video I show the 102 connected to the Tandy CCR-81 cassette recorder. MS-DOS 2.11, DeskMate 1.0, and a keyboard with the same layout as the Tandy 2000's were included with the computer. or Best Offer. A 16 KB RAM expansion pack that connected on the back of the unit was offered as an option as was a thermal paper printer. Tandy offered 2 color monitors specific for its Tandy 1000 computers: the CM-5, with a 0.64 millimeter dot pitch,[24] and the Tandy CM-11 with a dot pitch of 0.42 mm. They were lower profile than typical modern PC keyboards and the keys were recessed in the center, giving them a "melted" look. In addition to Tandy MS-DOS 2.11R, the HX shipped with Personal Deskmate 2. ... Tandy TRS-80 Color Computer (CoCo) Operation Manual Topics: tandy trs-80, radioshack, coco, manual, user guide. Its improvements over the Model I included built-in lower case, a better keyboard, elimination of the cable spaghetti, 1500-baud cassette interface, and a faster (2.03 MHz) Z-80 processor. In addition to the above, Tandy produced the TRS-80 Model 100 series of laptop computers. Watch. Sleek andimpressive units on the outside with a generous 24-character LCD inside,they were nevertheless plagued by poor build qualit… rare vintage radio shack/tandy trs-80 portable computer model 4p. [21] The earlier models of the Tandy 1000 had a composite video output, and could be used with a color or monochrome composite monitor, or a TV with an RF modulator. Tandy Corporation sold its computer manufacturing business to AST Computers, and all Tandy computer lines were terminated. The Tandy 1000 - The best MS-DOS computer in 1984. computer. [6][8][3] The 1000 has joystick ports like the PCjr, and its 16-color graphics and 3-voice sound, but not the PCjr ROM cartridge ports. It was more lightweight and came standard with 24K of RAM, expandable to 32K. The market is big". Tandy also produced the TRS-80 Color Computer (CoCo), based on the Motorola 6809 processor. $15.00 + shipping . [8] The company claimed that the 1000 was "the first fully IBM PC-compatible computer available for less than $1000". Prices started from $999 for the diskless version. The EX and HX utilized a PLUS-style connector, which was electronically identical to an 8-bit XT ISA slot, but had a 62-pin Berg connector instead of a card edge, rendering it incompatible with ISA cards without an adapter. $48.66 shipping. Before its release, mobile computers, such as … While many 8-bit cards met this length requirement, some cards such as hard cards, EMS memory cards, and multifunction cards that required the standard 13" length did not fit in the 1000's case. Tandy 1000s came shipped with one of several varieties of Deskmate, their own GUI productivity software suite. Tandy's first design for the business market was a desk-based computer known as the Tandy 10 Business Computer System, which was released in 1978 but quickly discontinued. The enhanced graphics and sound often tax the processor, so an 80286 processor or faster is recommended for best results. Tandy (Radio Shack) is a maker of homecomputers between 1977 and early 1990. A look at the final member of the Radio Shack TRS-80 series of computers, the Tandy Model 4D, sold from 1985 until at least 1990 (possibly even later). 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This peripheral was similar to Apple IIe Card sold later for certain Macintosh models; it was a fully functional Apple IIe clone with 128k ram and 6502 CPU and double high resolution graphics which allowed Tandy 1000 computers to run software written for the Apple IIe and IIc platform, an especially important consideration in the education market of the time. Two sockets for SIMM memory cards were provided. The MC-10 was a short-lived and little-known Tandy computer, similar in appearance to the Sinclair ZX81. Vintage Radio Shack TR-80 Pocket Computer, Model PC-3, Cat. The Tandy 1000 SX and TX were upgraded versions of the original Tandy 1000, utilizing a similar chassis. It was a full 386-class PC and could run Microsoft Windows 3.x. Tandy 1000 TL/2, Tandy 1000 RL/HD). $299.95. The Model 100 line also had an optional bar code reader, serial/RS-232 floppy drive and a Cassette interface. They were lightweight, rugged, and had rechargeable, efficient batteries. The RSX, however, incorporated the AT keyboard protocol, making it the first 1000-series system to offer more complete compatibility with typical PS/2 keyboards, and AT keyboards using an adapter. It competed directly with the Commodore 64, Apple II, and Atari 8-bit family of computers. Some DOS games do not work with these joystick ports, but those that support Tandy 1000 graphics and sound work. All Tandy 1000 computers featured built-in video hardware, enhanced sound hardware (based on one of several variants of the Texas Instruments SN76496 sound generator) and numerous peripheral interfaces, including game ports compatible with those on the TRS-80 Color Computer, an IBM-standard floppy-disk controller supporting two drives, and a parallel printer port, all integrated into the motherboard in addition to the hardware standard on the IBM PC/XT and, in later Tandy 1000 models, PC/AT motherboards. TRS-80 Microcomputer System Model I (26-1003) 1977 The TRS-80 Model I, or just TRS-80 Microcomputer System as shown on the computer itself, was introduced in August 1977. Common models of the machine included the Tandy 1000, EX, HX, SX, TX, SL, SL/2, RL, and TL, TL/2, TL/3. himself ! Model 100 woes; 8" drives on Model III? The Tandy 1000 HX was an updated version of the EX. C $576.71. $51.00. The Tandy SL and TL series of computers were updates of the SX and TX, respectively. an amazed Tandy executive said regarding its chiclet keyboard,[7] and another claimed that the 1000 "is what the PCjr should have been". The Model 4 could run the industry-standard CP/M operating system without hardware modification (as was needed for the Model III). Early Tandy 1000 models used a non-standard card-edge parallel printer port rather than industry standard DB-25 printer port. Their own 20 MB hard card was offered for $799, though compatible third-party units were available. Manufacturer : Radio Shack - Tandy Type : Computer The MS-DOS was a version specialized for and only bootable on the Tandy 1000; it included a version of BASICA (Microsoft's Advanced GW-BASIC) with support for the enhanced CGA graphics modes (a.k.a. Windows 3.xx sound device drivers were available that worked in Windows 95 (with full 9MB RAM) on Tandy 1000 RSX. Help support the museum by buying from the museum shop. TRS-80 Color Computer Model No. The Model I included a full-stroke QWERTY keyboard, floating-point BASIC, a monitor, and a starting price of US$600. or Best Offer. Programs for the MC-10 were not compatible with the CoCo. RARE VINTAGE RADIO SHACK/TANDY TRS-80 PORTABLE COMPUTER MODEL 4P AS-IS FOR PARTS. It was not an upgrade of the Model I, but an entirely different system with state-of-the-art hardware and numerous features not found in the primitive Model I. Only 1 MB or 4 MB SIMMs of the 9-chip type were supported, and if two were installed they had to be of like capacity. The EX and HX are upgradable via Tandy PLUS cards, and these systems have bays for three cards. [8], BYTE called the 1000 "a good, reasonably priced IBM PC clone that has most of the best features of the IBM PC and PCjr ... at current prices it is a very good alternative". Tandy Corporation released several computer product lines starting in 1977, under both TRS-80 and Tandy branding.. TRS-80 was a brand associated with several desktop microcomputer lines sold by Tandy Corporation through their Radio Shack stores. The Tandy 1000 TL and TL/2 used 8 MHz Intel 80286 processors, whereas the TL/3 used a 10 MHz 80286. A Color Computer 1 is arguably the second most valuable because it was the first. The Tandy 1000 SX used a 7.16 MHz 8088-2 processor, had 384k of memory (upgradeable to 640 KB on the motherboard), came with either one or two 5.25" internal floppy disk drives, and had the light pen port (not a serial port) like the original Tandy 1000. There are 531 known programs for the Tandy Color Computer, divided as follows:. The Tandy 200 also included DTMF tone-dialing for the internal modem. The rear model identification sticker mentioned Tandy but not Radio Shack, perhaps due to the issues with the AX. [1] However, Tandy later used the TRS-80 name on a number of different computer lines, many of which were technically unrelated to (and incompatible with) the original Model I and its replacements. Tandy introduced three other models in this line: the Model 200, Model 600, and Model 102. or Best Offer. [12]) It was also marketed as the Micro Executive Workstation (MEWS).[13]. The “T-1000” was a workhorse in the IBM PC world, large numbers of units are still in active service today as it’s construction was quite robust. OS-9, a multitasking, multi-user operating system was supplied for this machine. TANDY 64K Color Computer 2 Model # 26-3127B & 26-3012a Untested parts only. Although the Tandy 1000 can run most DOS software, the below programs are known to specifically support Tandy 1000 enhanced features. The machine itself supplied power to the external drive, so only Tandy's unit was usable with the EX and HX. [11] In 1988 CEO John Roach disagreed with Apple counterpart John Sculley's rejection of the home market: "Let him deny it. Although less popular than the Model 100, the Tandy 200 was also particularly popular with journalists in the late 1980s and early 1990s. It also had Tandy MS-DOS 2.11R in ROM, which could be accessed by starting the computer with no bootable disk present. Mania! The RL/HD had a battery-backed real-time clock chip to store date and time information, which the RL lacked. The keyboard connectors of the RL-series, while similar to and mechanically compatible with PS/2-style connectors, were not fully compatible with typical PS/2 keyboards, as the keyboard uses the XT keyboard protocol. [4] 80 Micro approved of the 1000's PC compatibility and stated that the exterior design "gives it a feeling of quality and confidence". 4K of memory, expandable to 16K Expanding the … However, around the time of its introduction, the industry began moving away from MS-DOS compatible computers and towards fully IBM PC compatible clones; later Tandy offerings moved toward full PC hardware compatibility. By 1993, changes in the market made it increasingly difficult for Tandy Corporation to make a profit on its computer line. £6.47 postage. The ACUMOS VGA graphics could be software-updated with Cirrus Logic BIOS (via MS-DOS driver) to allow VESA/SVGA to function in Windows 95, as the Windows 3.xx Tandy VGA drivers were insufficient for Windows 95. They were offered in a compact, all-in-one chassis that featured a 7.16 MHz 8088 (capable of clocking down to 4.77 MHz), 256 KB of memory (expandable to 640 KB with a PLUS memory expansion board), PCjr- and CGA-compatible Tandy Video graphics controller, a keyboard and, depending on the model, either a single 5.25" 360 KB floppy drive, or one to two 3.5" 720 KB floppy drives. [10] The 1000 helped the company obtain a 9.5% share of the US home-computer market in 1986, a year in which Tandy stated that half of its compatibles were purchased for the home. The successor to the Model III was the Model 4. It came standard with one internal 5.25" double-density floppy disk drive, with an additional exposed internal bay usable for the installation of a second 5.25" disk drive (available as a kit from Radio Shack). A PLUS card connector is electrically identical to an ISA slot connector, but uses a Berg-style 62-pin connector instead of a 62-contact ISA card-edge connector. or Best Offer. The original Tandy 1000 was a large computer almost the size of the IBM PC, though with a plastic case over an aluminium lower chassis to reduce weight. [3], Released in November 1984,[1] the $1,200 Tandy 1000 offered the same functionality as the PCjr, but with an improved keyboard and better expandability and compatibility. Tandy! Radio Shack offered Tandy 1000 PLUS 300-Baud PC Modem that was compatible with the 1000EX/HX that used PLUS slots. The Model 102 was a direct replacement for the 100. Opening the cover requires some care, but once inside, it's easy to work on. The TRS‑80 Model I had very impressive specifications for a $399.95 computer in 1977: 1. a Zilog Z80 processor running at 1.77 MHz 2. a monochrome, uppercase-only text display, with either 64 columns by 16 rows or 32 columns by 16 rows 3. This was later changed to a standard DB-25 connector on the 1000 RL. Tandy Laptop Computer, Model 200, 1985 Add to Set Contact us About this Share Summary. Vintage Tandy 1000 HX Personal Computer Model 25-1053 No Monitor Power Tested. [12] Tandy also regained a significant share of the Apple-dominated educational market,[13] which the two companies had once equally shared. $600.00. However, it was not a full AT-class machine, as it still had an 8-bit ISA bus (as with the RL, one half-size expansion slot) and only 8 IRQs and 4 DMA channels. RS-232 serial, cassette, right and left joystick and a 40-pin expansion slot.) In the early 1980s, Tandy began producing a line of computers that were "DOS compatible": able to run MS-DOS and certain applications, but not fully compatible with every nuance of the original IBM PC systems. 2 bids. It was also marketed to home users and businesses interested in both MS DOS and Apple II compatibility. Tandy 1000, SX, TX used a proprietary 8-pin round DIN connector for the keyboard port that was compatible with the older TRS computers but not compatible with the IBM PC/AT or PS/2 standard. With the introduction of the Model III, Model I production was discontinued as it did not comply with new FCC regulations as of January 1, 1981 regarding electromagnetic interference.[4][5][6]. See more ideas about radio shack, tandy, radio. The Tandy Digi-Mouse was also available, which required a separate controller that was available in either ISA or PLUS format. Tandy shipped its own version of DOS. Between 1977 and 1979, it sold 100,000 units. The external drive was the standard 360 KB 5.25 inch format; in 1988 a compatible 720 KB 3.5 inch model was offered. The PLUS connector was designed for compactness in these models with built-in keyboards. They featured a much more compact case, with at least 512 KB of memory pre-installed, smaller PS/2-style keyboard and mouse ports, and at least one ISA expansion slot. Both the TRS-80 and Tandy brands were used for a range of "Pocket Computers" sold by Tandy. Radio Shack was essentially bankrupt, but Charles Tandy saw the potential of Radio Shack and retail consumer electronics and bought the company for $300,000. [22], Tandy 1000s could work with Windows 1.0, 2.0 and 3.0 but not 3.1, with the exception of the RLX which could run Windows 3.1 in Standard mode,[23] and the RSX which fully supported running Windows 3.1 in 386 Enhanced mode.[23]. As the processors on the TL-series are socketed, it is possible to install 386SX or Cyrix 486SLC-based processor upgrades, though the benefit of installing more advanced processors is limited beyond merely providing a speed increase due to the computers' XT-based architecture, and their resulting inability to access extended memory above 1 MB.[30]. RARE Vintage Tandy 128k Color Computer 3 NOS NEW OLD STOCK with Games NO RESERVE The RL and RL/HD featured a surface-mounted 9.54 MHz 8086 processor, 512 KB of RAM (expandable to 768 KB to provide 128 KB for video and 640 KB conventional memory), a DB-25 unidirectional parallel port instead of the edge-connector ports, and the SL's enhanced graphics and sound. Manufacturer : Radio Shack - Tandy Type : Computer This afforded the user access to popular application software such as MicroPro's Wordstar, Ashton-Tate's dBase II, and Sorcim's Supercalc. These models also had MS-DOS and a portion of DeskMate in ROM, and could therefore boot much faster than many other computers on the market. Support this channel on Patreon: my website: The magazine called the 1000 "almost as fully IBM PC compatible as a computer can get", but gave DeskMate a mixed review and advised customers of the computer's inability to use full-length PC expansion cards. 1983: Radio Shack introduces the TRS-80 Pocket Computer, Model PC-4, replacing the PC-1, for US$70. The Tandy Color Computer 3 is the most desirable of the Color Computer line because it’s the most versatile. (The SX and TX have this capability as well.). 128 by 48 low-resolution graphics 4. cassette storage capable of either 250-baud (in Level I) and 500-baud (in Level II) 5. The Model II was replaced in 1982 by the TRS-80 Model 12. These programs require DOS to run. Seeking a Tandy 2800 HD for parts (specifically a keyboard.) The EX sold for US$1,000.00 from Radio Shack in December 1986. This is socketed, and thus upgradeable with an NEC V30. Systems with RS-232C serial ports could use standard serial mice, and later systems, such as the 1000 RL, featured a PS/2 mouse connector. Tandy Radio Shack TRS-80 Color Computer BASIC & Extended BASIC COMBO ROM Upgrade. This was essentially a Model 16B (described below) without the Motorola processor, and could be upgraded to a Model 16B. One option for contemporary users of these systems would be to install and use XT ISA CompactFlash adapters; this is also the most practical way to install a hard drive into a Tandy 1000 EX or HX, using an adapter cable that adapts the male PLUS-style connector to an 8-bit ISA card-edge slot.