Category Archives: Downloads

PS/1 2123 ROM BIOS and starter diskette

PS/1 2123 Starter DisketteA couple of great additions for the Downloads section: the ROM BIOS and the starter diskette for the IBM PS/1 386SX Model 2123.

PS1_2123_87F4794_ROM.zip – ROM BIOS, P/N 87F4794, dated 1992
PS1_2123STRT.zip – Bootable Starter Diskette with diagnostics software.

Note: the file 2123STRT.DSK inside the starter diskette archive is a stardard floppy image so you can use it with your preferred image transfer program.

Thanks Leo for the donation!

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PS/1 2155-78C US preloaded software

Another donation: the preloaded software of the PS/1 2155-78C, US version.
The PS/1 2155-78C was a multimedia machine released in the US market during the spring of 1994 and equipped with:

  • Intel 486SX2/50
  • Cirrus Logic CL-5428 1MB VLB
  • 253MB HDD
  • 4MB RAM
  • Matsushita 2x CD-ROM drive
  • Creative Sound Blaster 16
  • Modem 2400 bps

PS1_2155-78C_Spring94_HDD_Recovery_US.zip – HDD software as a recovery set (floppy images)
PS1_2155-78C_Spring94_HDD_Files_US.zip – HDD software as simple files

Software included:

  • MS-DOS 6.21
  • MS Windows 3.1
  • MS Works for Windows 3.0
  • PS/1 tools, welcome
  • Prodigy
  • America Online
  • Photo Gallery
  • Co/Session
  • Sound Blaster 16 audio drivers and software
  • Cirrus Logic GD542x video drivers

Thanks Austin!

PS/1 2133 US preloaded software

A reader of this blog has kindly donated the US version of the preloaded software for the PS/1 types 2133 and 2155 models in the Fall 1992 product line (ISA board).

PS1_2133_2155_Fall92_HDD_Restore_US.zip – Recovery floppy images
PS1_2133_2155_Fall92_HDD_Files_US.zip – same software but as extracted files

Software included:

  • IBM DOS 5.0
  • MS Windows 3.1
  • MS Works for Windows
  • PS/1 tools
  • PS/1 welcome
  • Recovery program
  • Video drivers (CL-5410, ET-4000)
  • Prodigy
  • Promenade

Thanks Ryan!

PS/1 2133 IT preloaded software

PS/1 2133 welcome

The Windows welcome screen

I recently won an eBay auction for a PS/1 type 2133 model 451 (EMEA market, roughly equivalent to the US model S48) with a 486SX-25 (with FPU/Overdrive socket), 2MB RAM, 85MB HDD, and an integrated VLB Cirrus Logic GD-5426.

To my great surprise inside the puny hard drive I found a complete backup of the original preloaded software (which I obviously used to restore my machine to the factory conditions).

So here it is in all its glory (it’s italian software, sorry non-italian speakers…):

PS1_2133_2155_Spring93_HDD_Files_IT.zip – IBM PS/1 2133 HDD files Italian version

The same set of programs was probably used for all the other models in the same spring 1993 product line, type 2155 included. But I’m not sure about this so if you have more info please let me know.

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