 ͻ
                                                                          
                 Inboard 386/PC Technical Information                     
                                                                          
 ͼ

 BENCHMARKS

     The following table shows the results of several operations in an IBM
     PC XT with and without an Inboard 386/PC:
     Ŀ
                                                 IBM PC XT with  
              Operation             IBM PC XT    Inboard 386/PC  
     ͵
      1-2-3 recalculation                                        
      (3,600-cell spreadsheet)      23 seconds       4 seconds   
     Ĵ
      dBase III index                                            
      (3,200 records)              209 seconds      34 seconds   
     Ĵ
      AutoCAD regeneration                                       
      (115K-byte redraw)            52 seconds     7.5 seconds   
     Ĵ
      Turbo Pascal compilation      16 seconds       2 seconds   
     Ĵ
      Microsoft Word spell check                                 
      (7-page document)             43 seconds      10 seconds   
     Ĵ
      Norton SI 3.10                    1              12.5      
        "    "  4.0                     1              16        
     

 DEVICE DRIVER SIZES

     Ŀ
       Device Driver       Conventional memory   Extended Memory 
                                 (bytes)              (bytes)    
     ͵
       INBRDPC.SYS                3744                  NA       
        W/ EGACACHE           Add 16K for EGA           NA       
                              Add 32K for VGA           NA       
     Ĵ
       ILIM386.SYS 4.07*          3408            136K to 142K   
     Ĵ
       ICACHE /S:256**           23550                 256K      
       ICACHE /S:512             31712                 512K      
       ICACHE /S:1024            48096                1024K      
     ͵
     *  With no parameters: of 256K bytes extended memory, 72K     
        bytes are available as extended and 48K bytes as expanded. 
        With EXT=0: of 256K bytes extended memory, 8K bytes are    
        available as extended and 112K bytes as expanded.          
                                                                   
     ** Each 256K-byte increase in cache size uses about 8K bytes  
        of conventional memory.                                    
     

 POWER CONSUMPTION

     Computers with an Inboard 386/PC need at least a 125-watt power supply.
     The Inboard 386/PC and its options use the following amounts of power:

        Inboard 386/PC: 4.2 amps at +5 volts
        Piggyback Option: .5 amps at +5 volts
        80387: .1 amp at +5 Volts



End of file                 Intel FaxBack # 2510          June 25,1992
