Upper Memory Map

Segment        Address Range           Use                  
                                                            

A              A0000h-AFFFFh           Video memory         
                                                            

B              B0000h-BFFFFh           Video memory         
                                                            

C              C0000h-C7FFFh           Video BIOS           
               C8000h-CFFFFh           Available            
                                                            

D              D0000h-DFFFFh           Available            
                                                            

E              E0000h-EFFFFh           Available            
                                                            

F              F0000h-FFFFFh           System BIOS          
                                                            

Conventional Memory Map

Segment       Address Range          Use                      
                                                              

0             00000h-003FFh          Interrupt vector table   
              00400h-004FFh          BIOS data area           
              00500h-005FFh          MS-DOS and BASIC work    
                                     area                      
              00600h-0FFFFh          User memory              
                                                              

1             10000h-1FFFFh          User memory              
                                                              

2             20000h-2FFFFh          User memory              
                                                              

3             30000h-3FFFFh          User memory              
                                                              

4             40000h-4FFFFh          User memory              
                                                              

5             50000h-5FFFFh          User memory              
                                                              

6             60000h-6FFFFh          User memory              
                                                              

7             70000h-7FFFFh          User memory              
                                                              

8             80000h-8FFFFh          User memory              
                                                              

9             90000h-9FFFFh          User memory              
                                                              

  SIMMs must be installed in matched pairs                                                                
                                                                                                          

  Fill J3J1 and J3H1 before J3G1 and J3F1                                                                 
                                                                                                          

  Install SIMMs from top to bottom facing the left side of the computer                                   
                                                                                                          

  Temporarily remove the SIMM below the SIMM that is being replaced to make installation easier           
                                                                                                          

SIMM Configuration Options

Total     J3J1       J3H1      J3G1       J3F1        
                                                      

8 MB      4 MB       4 MB                             
                                                      

16 MB     4 MB       4 MB      4 MB       4 MB        
                                                      

16 MB     8 MB       8 MB                             
                                                      

24 MB     4 MB       4 MB      8 MB       8 MB        
                                                      

24 MB     8 MB       8 MB      4 MB       4 MB        
                                                      

32 MB     8 MB       8 MB      8 MB       8 MB        
                                                      

32 MB     16 MB      16 MB                            
                                                      

40 MB     4 MB       4 MB      16 MB      16 MB       
                                                      

40 MB     16 MB      16 MB     4 MB       4 MB        
                                                      

48 MB     8 MB       8 MB      16 MB      16 MB       
                                                      

48 MB     16 MB      16 MB     8 MB       8 MB        
                                                      

64 MB     16 MB      16 MB     16 MB      16 MB       
                                                      

64 MB     32 MB      32 MB                            
                                                      

72 MB     4 MB       4 MB      32 MB      32 MB       
                                                      

72 MB     32 MB      32 MB     4 MB       4 MB        
                                                      

80 MB     8 MB       8 MB      32 MB      32 MB       
                                                      

80 MB     32 MB      32 MB     8 MB       8 MB        
                                                      

96 MB     16 MB      16 MB     32 MB      32 MB       
                                                      

96 MB     32 MB      32 MB     16 MB      16 MB       
                                                      

128 MB    32 MB      32 MB     32 MB      32 MB