For the Europe, the Middle East and Africa market (EMEA).
Model RAM (max.) HD CPU Video
IBM PS/1 mod. 2011 n01 512KB (1MB) none 286 at 10MHz VGA
IBM PS/1 mod. 2011 n34 1MB (2MB) 30MB 286 at 10MHz VGA
IBM PS/1 mod. 2011 n41 1MB (2MB) 40MB 286 at 10MHz VGA
IBM PS/1 mod. 2011 n42 2MB (6MB) 40MB 386sx at 16MHz VGA
IBM PS/1 mod. 2121 282 2MB (6MB) 80MB 386sx at 16MHz VGA
IBM PS/1 mod. 2121 642 2MB (6MB) 40MB 386sx at 20MHz VGA
IBM PS/1 mod. 2121 682 2MB (6MB) 80MB 386sx at 20MHz VGA
IBM PS/1 mod. 2123 E41 Pro 2MB (15MB) 40MB 386sx at 20MHz VGA
IBM PS/1 mod. 2123 E81 Pro 2MB (15MB) 80MB 386sx at 20MHz VGA
IBM PS/1 mod. 2123 E31 Pro 2MB (15MB) 130MB 386sx at 20MHz VGA
IBM PS/1 mod. 2133 111 2MB (15MB) 85MB 386sx at 25MHz VGA
IBM PS/1 mod. 2133 711 2MB (15MB) 85MB 386sx at 25MHz VGA
IBM PS/1 mod. 2133 811 4MB (15MB) 85MB 386sx at 25MHz VGA
IBM PS/1 mod. 2133 911 2MB (15MB) 85MB 386sx at 25MHz VGA
IBM PS/1 mod. 2133 114 4MB (15MB) 170MB 386sx at 25MHz sVGA
IBM PS/1 mod. 2133 144 4MB (32MB) 170MB 486sx at 20MHz sVGA
IBM PS/1 mod. 2133 151 4MB (32MB) 85MB 486sx at 25MHz sVGA
IBM PS/1 mod. 2133 154 4MB (32MB) 170MB 486sx at 25MHz sVGA
IBM PS/1 mod. 2133 174 4MB (32MB) 170MB 486sx at 33MHz sVGA
IBM PS/1 mod. 2133 451 2MB (32MB) 85MB 486sx at 25MHz sVGA
IBM PS/1 mod. 2133 461 4MB (32MB) 85MB 486sx at 33MHz sVGA
IBM PS/1 mod. 2133 551 4MB (32MB) 130MB 486sx at 25MHz sVGA
IBM PS/1 mod. 2133 571 4MB (64MB) 130MB 486dx at 33MHz sVGA
IBM PS/1 mod. 2155 471 4MB (64MB) 85MB 486dx at 33MHz sVGA
IBM PS/1 mod. 2155 474 4MB (64MB) 130MB 486dx at 33MHz sVGA
IBM PS/1 mod. 2155 483 4MB (64MB) 130MB 486dx2 at 50MHz sVGA
IBM PS/1 mod. 2155 582 4MB (64MB) 170MB 486dx2 at 50MHz sVGA
IBM PS/1 mod. 2155 593 4MB (64MB) 253MB 486dx2 at 66MHz sVGA
IBM PS/1 mod. 2168 452 2MB (32MB) 85MB 486sx at 25MH sVGA
IBM PS/1 mod. 2168 463 4MB (64MB) 130MB 486sx at 33MHz sVGA
IBM PS/1 mod. 2168 473 4MB (64MB) 130MB 486dx at 33MHz sVGA
IBM PS/1 mod. 2168 493 4MB (64MB) 130MB 486dx2 at 66MHz sVGA
IBM PS/1 mod. 2168 584 4MB (64MB) 253MB 486dx2 at 50MHz sVGA
IBM PS/1 mod. 2168 594 4MB (64MB) 253MB 486dx2 at 66MHz sVGA
IBM PS1 2011 - Users Reference (1st Ed 90)
IBM PS1 2011 - Technical Reference (1st Ed 90)
IBM PS1 2011 - Using the IBM PS1 with Windows - Q88661
IBM PS1 2133-2155-2168 - Hardware Maintenance Service.pdf
PS/1 Audio Card driver for Windows 3.1
UNIXBOOT.EXE – Fix for UNIX not recognizing HDD controller
CUSTOMIZ.EXE Is to customize the way the machine operates (eg. if you want to boot directly to DOS or from a floppy)
CONFIGUR.EXE Is to update the machine configuration after a hardware modification.
BPP.COM Enables/Disables parallel port bidirectional mode on IBM PS/1 2011/2121 computers.
4quad6-2.exe Updates the 4-Quadrant shell for use with MS-DOS 6.2, 6.21 or 6.22.
ROMDUMP.EXE Program to dump the system ROM.
CMOSDUMP.EXE Program to dump the CMOS memory to a file named CMOS.BIN
https://ps2.infania.net/ IBM PS/1 - PS/2 Diagnostics/Reference Disks etc.