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=Description=
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The original Tandy 1000, model 25-1000, was released in 1984 and is an amalgamation of the standard "PC Clone" of the time, and the IBM PC Jr.  Tandy initially started designing it in 1983 as a "PC Jr. Compatible" but quickly had to change the marketing to focus on PC Compatibility at launch when the [[IBM_PCjr]] failed to succeed in the market due to some poor design considerations.  The Tandy 1000 however, made up for these in having a real, wired keyboard, 3 normal ISA expansion slots, 2 Floppy drives, and (mostly) standard connectors.  The 1000 Line went on to spawn numerous future models and become one of the most popular computer lines of the 1980's.
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=Technical Details=
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The Tandy 1000 was basically an IBM PC Jr. with standard ISA expansion slots, a regular, normal, keyswitch equipped keyboard, and some standard ports, particularly for power and video (RGB & Composite).  What set it apart from other PC clones at the time was that it featured the enhanced 320x200 and 225x160 pixel, 16-color graphics modes of the IBM PC Jr, as well as the Texas Instruments 3-voice sound (on top of the single-channel square wave blipper of the internal speaker for actually 4 channels).  However, it differed from later models due to the lack of Direct Memory Access (DMA) from the factory, and the lack of provisions for an intel 8087 Math Co-Processor in this initial version.  These issues were all rectified in successive Tandy 1000 models such as the 1000A and 1000HD.
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=Specifications=
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POWER - 65 Watts, Proprietary
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CASE - Tandy steel/plastic 3-slot proprietary
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CPU - Intel 8088 @4.77Mhz (no 8087 Support for co-processor)
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RAM - 256K w/o DMA (expandable to 384-640K using a ISA Expansion card that added DMA)
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FDD - 2x black 360K DSDD TEAC Floppy Drives 5.25" half height
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GFX - Tandy 16-color Graphics (taken from the PC Jr.)
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SND - Tandy 3-voice + Internala Speaker (taken from PC Jr.)
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O/S - MS-DOS 2.11 for the Tandy 1000 w/ Deskmate
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=Documentation=
 
=Documentation=
 
* [[Tandy 1000 MS-DOS Reference Manual (25-1508)]]
 
* [[Tandy 1000 MS-DOS Reference Manual (25-1508)]]
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