Editing IBM PCjr keyboards

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{{infobox dkeyboard
| image name   = Ibm pcjr with display.jpg
| pn           = 8600032 (1st generation) 6181835 (2nd generation)
| fcc          =
| branding     = IBM
| manufacturer = [[Advanced Input Devices]]<ref name=IrKeyboardThread/>
| switch       = [[Rubber dome]]
| layouts      = 62-key PCjr layout
| interface    = IR or RJ-11 cable
| weight       = 616 g (22 ounces) w/o batteries (IR keyboard)
| dimensions   = 341.5 × 168 × 26 mm<br />(13.45 × 6.61 × 1.02 inches) (IR keyboard)<ref name=TechnicalRef/>
| years        = 1984 - 1987
| price        = 
}}

The '''IBM 4860 PCjr''' was [[IBM]]'s first attempt to produce a low cost personal computer aimed at the home market. It used a low cost keyboard designed to be more suitable to the home market than the [[IBM Model F|Model F]] keyboards of their professional computers. The PCjr is widely considered to be one of the worst keyboards ever designed, owing to its uncomfortable "Chiclet" keys, non-standard layout (it was one of the first, if not ''the'' first, PC keyboards to use a Fn shift), unreliable IR link, and hardware limitations in the PCjr itself that prevented PC-style type-ahead from working properly. It's considered to be one of the main reasons why the PCjr was a commercial disaster. 

A later "enhanced" version switched the "Chiclet" keys with more standard shaped keys. The internals of both revisions seem to be the same, and the layouts are also the same.

===IBM PCjr===
<gallery widths=250 heights=187>
File:Pcjr front.jpg       | Top
File:Pcjr back.jpg        | Rear label
File:Pcjr side.jpg        | Side Profile
File:IBM-PCjr-top.jpg     | Top of PCB with rubber dome mat
File:IBM-PCjr-bottom.jpg  | Bottom of PCB
</gallery>

==References==
<references>
<ref name=TechnicalRef>Personal Computer PCjr Hardware Reference Library: Technical Reference — [https://archive.org/details/bitsavers_ibmpcpcjrPceNov83_24513363/page/n557/mode/2up Appendix D: Cordless Keyboard] (archive.org)</ref>
<ref name=IrKeyboardThread>Deskthority.net - [https://deskthority.net/viewtopic.php?f=7&t=26004 IR PC keyboards: IBM and Quadram]</ref>
</references>

[[Category:IBM keyboards]]
[[Category:Keyboards with rubber domes]]
[[Category:Office keyboards]]
[[Category:Vintage keyboards]]
[[Category:Infrared keyboards]]
[[Category:List of all IBM keyboards]]
[[Category:List of all keyboards]]