The IBM PS/1 2011 Was Not Quite a Normal PC

The IBM PS/1 Model 2011 was IBM’s reentry to home computers after the miserable failure of the PCjr. It is a fascinating mix between PC compatibility and very IBM-specific design choices, like it runs DOS from ROM and has a very unique aproach to usability. But honestly, who builds the PSU for the computer into the CRT? Is it a big deal to replace the CMOS battery, and can the broken ALPS floppy drive still be saved, or at least replaced by a standard component. In this episode: 00:00 Intro 00:37 IBM PS/1 Model 2011 Retrospective 02:26 Dallas RTC Battery Swap Mod for the PS/1 Model 2011 04:06 Can the IBM PS/1 Floppy Drive Be Repaired, or Replaced by A Standard Drive? 07:20 Replacing PS/1 Model 2011's Chassis Feet 07:53 Which Software was bundled with The PS/1 Model 2011? 10:49 Conclusion and Lookout 🔔 Subscribe for more retro hardware adventures! Want to join THE PHINTAGE SUPPORTERS or THE PHINTAGE ENTHUSIASTS community and get a mention in an upcoming video? Learn more here:    / @thephintagecollector   This video was made possible with support by: THE PHINTAGE ENTHUSIASTS: Alisha Manuela Stutz Christian Zerrahn David Schell Ernesto Leonardo Bertola Waseem al sammane ZyeByteVT THE PHINTAGE SUPPORTERS: Aaron Aluatis Balint Szikszay Brian Repinski CaffeinePizza Cecil Cinemint Clank CompuDroid Diego Valle GayManSam GrayT! Ian Cobb ihartmacz Jack Beckman Jack Rosenthal Lord Pingvin Luke Granger-Brown Matthew Veety Mia Farkas Mlok Karel MS-DOS Manfred nadrazhul PPCEmulator Roy Edmund Antaw SoftMASCII Steven Glogger Thomas Ganter Wobinu Films xcalibur839 Z098 Visit also THE PHINTAGE COLLECTOR website at https://www.thephintagecollector.ch for insights into my retro computer collection. This presentation, Copyright @ 2026 THE PHINTAGE COLLECTOR, Gianpaolo Del Matto. All rights reserved. Individual Copyrights apply for referenced material (see sources). Music composed by 🎶 Abdallah El-Ghannam https://ag.blahblah.studio | https://ag.blahblah.studio/ 🎶 rootkitty |   / rootkitty   ℹ️ Sources: IBM PS/1 Model 2011 — general info / documentation https://en.wikipedia.org/wiki/IBM_PS/1 https://www.infania.net/misc/ps1mod/I... https://www.mediafire.com/file/5n30n7... https://ardent-tool.com/ PS/1 2011 software, downloads, backups https://ps1stuff.wordpress.com/catego... https://ps1stuff.wordpress.com/downlo... Floppy replacement / adapters / pinout notes https://github.com/mdehling/p7x-flopp... https://github.com/schlae/PS2FloppyAd... http://ftp.oldskool.org/pub/drivers/I... https://www.vogons.org/viewtopic.php?... https://github.com/86Box/86Box/issues... Expansion / options / ACU / audio https://forum.vcfed.org/index.php?thr... http://ftp.oldskool.org/pub/drivers/I... https://www.tindie.com/products/trilo... TPC's 3D printed replacement parts https://www.thingiverse.com/thing:736... TPC's ROM and HDD Backups https://archive.org/details/PS1_2011_...