#IBM released the IBM PC 5150 in 1981. Internally, IBM went through massive hurdles to get a personal computer to the market to compete with the other microcomputers of the time. This documentary shows all of the happenings organisationally as well as the trade-offs and decisions that led up to IBM choosing the sluggish 8088 CPU. Don't forget to LIKE this video and please SUBSCRIBE to my channel! Press that NOTIFICATION bell so you get to know when new great videos come out that you'll like! I really do appreciate your subscriptions, it makes the countless hours I spend on this channel feel so worthwhile! If you really like my stuff and fancy joining this channel to get access to perks, you'll be helping me develop the channel for the future with new equipment and spurn me on for more content: null Donate on Patreon: https://patreon.com/alsgeeklab Or buy me a quick coffee on Ko-Fi: https://www.ko-fi.com/alsgeeklab On the web & social media: https://www.alsgeeklab.com/ Twitter: https://www.twitter.com/alsgeeklab Facebook: https://www.facebook.com/alsgeeklab Instagram: https://www.instagram.com/alsgeeklab Some of the main reference material: BYTE Magazine, September 1990: https://archive.org/stream/byte-magazine-1990-09/1990_09_BYTE_15-09_15th_Anniversary_Summit#page/n451/mode/2up "Bill Gates, Microsoft and the IBM Personal Computer" - Infoworld Newsweekly, August 23rd 1982: https://books.google.co.nz/books?id=VDAEAAAAMBAJ&lpg=PA19&pg=PA22&redir_esc=y#v=onepage&q&f=true "Microsoft Announces 8086 Basic" - The Intelligent Machines Journal, Summer 1979: https://books.google.co.nz/books?id=FT4EAAAAMBAJ&pg=PA10&redir_esc=y#v=onepage&q&f=false IBM Exhibits: https://www.ibm.com/ibm/history/exhibits/pc25/pc25_birth.html TOC: 0:00 Opening Credits 0:23 Introduction 1:08 The Rise of IBM 3:01 The Microcomputer revolution 5:50 IBM play catchup 7:23 Off the shelf components 10:00 Choosing the CPU for the IBM PC 11:52 MOS 6502 CPU 12:54 Zilog Z80 CPU 13:53 Other contenders 14:50 16-bit & the need for memory capacity 15:07 Texas Instruments TMS-9900 CPU 16:09 Motorola 68000 CPU 17:37 Intel 8086 CPU 19:21 Intel 8088 CPU - The PC's CPU 20:31 CP/M operating system 21:21 Why the weaker 8088? 21:35 Reason 1: Cost 23:23 Reason 2: Availability 24:04 Reason 3: R&D time 25:56 Reuse of the Intel 8085 compatability 27:58 Reason 4: Outside influence 30:11 Reason 5: Software availability 31:33 The first PC (1981) 33:50 Conclusion #retrocomputing #vintagecomputing #ibm