IBMulator 0.20
Changelog: Download IBMulator 0.20 Please refer to the README and the project’s homepage for more info.
IBM PS/1 Resource Page
Latest posts
Notes about the IBM PS/1 2133-C11 (386SX)
Back in november 2024 Korrey graciously donated a ROM dump from his PS/1 2133-C11 adding the following: This system is PAINFUL to use. The 386SX-25 has no cache, and the Cirrus Logic VGA chip doesn’t help. DOS compatibility with games is also very poor. Commander Keen 4 for example requires the two video workarounds to […]
IBMulator 0.19
Changelog: Download IBMulator 0.19 Please refer to the README and the project’s homepage for more info.
IBM PS/1 2121 UK ROM
IBM PS/1 model 2121 ROM, UK version.P/N 92F9605 and P/N 92F9623, 386SX 16MHz, with the romdrive. IBM PS1 2121 – ROM (UK).zip Thanks Paulo!
IBM PS/1 2121 German ROM
IBM PS/1 model 2121 ROM, German version (386-16 with the romdrive). IBM PS1 2121 – ROM (DE).zip Thanks Paulo!
IBM PS/1 2121 Portuguese preloaded software
IBM PS/1 2121 Portuguese preloaded software: IBM PS1 2121 – files (PT).zip – uncompressed filesIBM PS1 2121 – backup (PT).zip – backup disk-setIBM PS1 2121 – HDD image (PT).zip – HDD image The HDD image is taken from real hardware. Software included: Thanks Gavin for the contribution!
IBM PS/1 2121 ROM errata
The previously published ROM for the PS/1 2121 with no romdrive (20MHz model) is overdumped: it has 256KiB of data instead of the expected 128KiB (the additional 128KiB are a replica of the first half). Here’s a verified direct dump from the 1 Megabit AM27C1024 chip inside the PS/1 2121 20MHz: IBM PS1 2121 – […]
IBM PS/1 2121 UK preloaded software
IBM PS/1 2121 UK preloaded software: IBM PS1 2121 – files with Windows 3.0 (UK).zip – uncompressed filesIBM PS1 2121 – HDD image with Windows 3.0 (UK).zip – HDD image Software included: Thanks Niklas for the contribution!
IBM PS/1 2133-C11 ROM
ROM chip: P/N 32G1750, dated 1992, Am27c1024System: IBM PS/1 2133-C11 (US), i386SX-25, CL-GD5410Logic board: P/N G101S935N8T 32G1768 226Board chipset: VLSI 82C305-FC IBM PS1 2133-C11 – ROM (32G1750).zip The specs of the PS/1 2133-C11 machine the ROM has been dumped from are:CPU: i386SX-25RAM: 2MB onboard + 2MB 72 pin proprietary “16 bit” SIMMHDD: IBM 82 MB […]
IBM PS/1 2011 NL ROM
IBM PS/1 model 2011 ROM, Dutch version. IBM PS1 2011 – ROM (NL).zipIBM PS1 2011 – EPROM (NL).zip Thanks Ferry for the dump!