CentralNotice From Wikipedia, the free encyclopedia Jump to navigation Jump to search Home computer IBM PCjr IBM PCjr with original "chiclet" keyboard, PCjr color display, and 64 KB memory expansion card Manufacturer Teledyne , Lewisburg, Tennessee Type Personal computer Release date March 1984 ; 36 years ago ( 1984-03 ) Introductory price US$1,269 with 128 KB memory and without monitor (today US$3128.45) GBP £800 (today £2590.24) w/o disk drive. CAD $1900.00 Discontinued March 1985 Units shipped 500,000 Operating system IBM PC DOS 2.10 CPU Intel 8088 @ 4.77 MHz Memory 64 KB Graphics Video Gate Array Sound Texas Instruments SN76489 Predecessor IBM Personal Computer Successor IBM PS/1 The IBM PCjr (read "PC junior") is a home computer that was produced and marketed by IBM from March 1984 to May 1985. The PCjr was positioned as a complement to the very successful I...