How to install IBM OS/2 1.20 virtual box with mouse driver ?
Channel: difyel
Date: 05/08/2020

- Download and install virtual box :
  https://www.virtualbox.org/wiki/Downloads

 - Download Patched version of IBM OS/2 1.20:
  IBM OS2 1.20 Extended Edition (3.5-1.44mb)
  https://drive.google.com/file/d/1D08kYFV1rzxPcJewZN1ZmrFuh8AGEsZW/view?usp=sharing

 - Create a virtual machine 
 
 - Install OS/2 1.2

 - Install mouse driver :
  - Go to dos :
   - Continuously press ALT-TAB
   - Press enter when restore option on dos appears 
  - insert mouse-driver.ima floppy disk.
  - Execute the commands : 
   - copy a:\msps201.sys c:\os2
   - copy a:\mouse.sys c:\os2
   - edlin config.sys
    - search for last line in config.sys using 
     1,100L 
    - If last line for example is 33 , type : 
     33i 
    - Insert the following : 
     device=c:\os2\pointdd.sys
     device =C:\os2\msps201.sys 
     device =C:\os2\mouse.sys type=msps2$
     press enter after last line
     press ctrl-c 
    - enter :  e 
     - saves the files and exits 
 - remove floppy .
 - restart the system .