Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens

 
           INT 33,24 - Get Driver Version, Mouse Type & IRQ Number           
                                                                                
        AX = 24h                                                                
                                                                                
                                                                                
        on return:                                                              
        BH = major version (see below)                                          
        BL = minor version (see below)                                          
        CH = mouse type:                                                        
           = 1  bus mouse                                                       
           = 2  serial mouse                                                    
           = 3  InPort mouse                                                    
           = 4  PS/2  mouse                                                     
           = 5  Hewlett Packard mouse                                           
        CL = IRQ number:                                                        
           = 0  PS/2                                                            
           = 2  IRQ 2                                                           
           = 5  IRQ 5                                                           
           = 7  IRQ 7                                                           
                                                                                
        - version 6.1 would be represented as BH = 06h, BL = 10h                
                                                                                
 

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