IBM PC Jr: Difference between revisions
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IBM's attempt at competing with the original [[Apple II]], the [[IBM Personal Computer]], was a success. For a followup, it decided to enter the already-crowded 8-bit home computer market and compete against the [[Commodore
The PCjr was deliberately made to be simple to put together, simple to use, and simple to locate. It had a much smaller case than a regular PC, about the size of the original [[
All of this came at a cost, though. The PCjr was far more expensive than either the C=64 or the Atari machines, and wasn't good enough with graphics or sound to justify the price. The keyboard was a "chiclet" keyboard, similar to today's laptop keyboards but extremely mushy, and most people found it hard to type on; also, the infrared link was iffy from more than a few feet away, making the computer difficult to use from across the room or the couch. IBM also deliberately crippled the machine in other ways so that normal PC and XT software would have a hard time running, and so that normal PC peripherals wouldn't connect without adapters, if at all; while this didn't stop the diehards, many people who bought a PCjr bought it in the hopes that their PC-based office software would run on it, only to be in for a nasty surprise when they got it home.
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Given all that, the PCjr was a flop for IBM. After 2 years of slow sales and poor reviews, it was quietly discontinued in 1985. However, despite its poor sales and compromised design, someone had already decided to clone it, and in the process, fix some of its quirks. That someone was Tandy Computers, of TRS-80 fame, who was looking to move into the PC-compatible market and decided the PCjr was the machine to beat, flop or no flop. The result of this was the Tandy 1000 line of multimedia PCs, which were decent sellers until their discontinuation in the mid-1990s. This had an interesting side effect, in that certain games for the Tandy 1000 could run on the PCjr in 16-color mode with only minor patching. Also, third parties such as Racore and PC Enterprises made several add-ons for the PCjr that restored some of the XT's lost capabilities, provided more room for expansion, and added extra features.
== Specifications
<tabber>
* [[CPU]]: Intel 8088, 4.77 MHz.▼
CPU=
* [[GPU]]: Motorola 6845 + IBM custom [[Name's the Same|"VGA"]] ASIC, providing up to 16 colors in 320x200 mode; mostly CGA-compatible, used 16k of shared system RAM that could be relocated if needed.▼
* Storage: Two proprietary memory cartridge slots on the front; optional 360k DS/DD floppy drive or cassette cable.▼
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* Audio: Texas Instruments [[SN 76489]] PSG, with 3 square-wave channels and one noise channel.▼
GPU=
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Storage=
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Audio=
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== Games with an affinity towards this system
* ''[[
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[[Category:Videogame Systems]]
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