From: nowhere@never.at   
      
   On 20/11/2023 08:52, Robert Pengelly wrote:   
      
   >> OK if your own 16-bit OS booted from USB.   
   >> I'm just curious for which tool you used to put it there ?   
      
   >> INT15h is a BIOS function and the BIOS knows its hardware well.   
   >> Your laptop have neither keyboard nor mouse as PS/2 implemented,   
   >> both will be USB devices.   
      
   > I used dd on Linux to write an image to the USB.  I know that INT 15h is a   
   BIOS function but the 0xC2xx calls are for a PS/2 mouse aren't they?   
      
   RBIL name them PS w/o "/2", the BIOS may support all hardware it got.   
      
   > As I'm only focused on a 16-bit (real mode) OS at the moment would it be   
   better if I just go back to INT 15h?   
      
   You should, but when your 16bit RM OS once can control everything   
   possible it may become capable to detect USB devices and handle them.   
      
   But this needs switching forth and back to PM32 so it's a long way to go   
   (been there many years ago).   
   __   
   wolfgang   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)