                          

                           N 9

                2    IBM AT

     ⠭⭠ 設 ISA (AT-bus)  16-ࠧ來   ࠡ-
⠥   8 :

    Ŀ                           Ŀ
                                   ⥬ 
     -  ͵         
                              
                         Ŀ
                          奬 
                          䥩 
                           設 ISA  
                         
                                
              ⠭⭠ 8   16-ࠧ來 設 ISA
              ͻ
           Ŀ  Ŀ  Ŀ  Ŀ  Ŀ
                                            
                   
                ஫ ਩ ன

      386  486   32-ࠧ來묨    ࠡ  
譥 ⠪⮢  ⮩  20, 25, 33  40 ,    設 ISA
32-   । 16-묨   ⮩
ᥣ 8 ,  ..    १  ᪮ 
묨  ஬  .
      ᮪  ᪮  ।  ॡ  -
⥬ :  ⥬  ⥫  ⪨  ᪠.  
ᯥ祭  䥪⨢  ࠡ   ⥬ 뫮 ࠧࠡ⠭
᪮쪮 孮 ஥ "쭮 設" (Local Bus),  
  饥 ६ ᯮ :
     - VESA local  bus  (VLB),  ࠧࠡ⠭  樠樥  Video
Electronic Standarts Association:
     - Peripherial Component  Interconnect  (PCI),  ࠧࠡ⠭
ମ Intel.
     ᮡ 孮 Local Bus ⮨  ⮬,  ᮪-
   易  ⥬ 設,    -
  , ࠡ      -
 32-묨  .
.
                              - 2 -

      VL-bus  ᫥ :

    Ŀ                           Ŀ
                                   ⥬ 
     -  ͵         
                              
                         Ŀ
                            VL-bus   
                          ஫ 
                         
      32-ࠧ來 設 VL-bus   (25-40 )
      ͻ
Ŀ  Ŀ  Ŀ  Ŀ
  -     ᪮   ⥢  ஫
஫  ஫         ISA    
      
                                            
                                ⠭⭠  8 
                               16-ࠧ來  設 ISA
                          ͻ
                       Ŀ  Ŀ  Ŀ  Ŀ
                                                 
                             
                        ஫ ਩ ன

     ⮨⢮ VLB  ⭮⥫쭠  樨
 ᮪  ய᪭  ᯮᮡ  ( 132 /   33
).  ⪠ VLB     㧮筠 ᯮᮡ
(2-3 ஫ )  ࠭祭  ⠪⮢  ( -
  33   ࠡ 設  প).
     ᫥   Pentium 樠 VESA 㯨-
  ࠡ   ⠭⮬ VL-bus.   ।ᬠਢ  -
짮 64-ࠧ來  設 ,  㢥祭 ᫠ ࠧꥬ
७ ( 5)  襭 ࠡ祩   50 .  -
 ᪮ । ⥮᪨    400 /.

     䨪 PCI    ᯥ     
த⢨ 設,  । ⥫  -
,  㢥稢 ⮨ ⥬ . ⮬ 設 PCI
ਬ ⮫쪮     ( ࠬ  486DX4
 Pentium).
      設 PCI    10 ,  ࠧꥬ ७
 ⮬  ᯮ짮   :    -
 PCI  ࠧ   ,   ᪮쪮    
ࠧ    ᠬ  ⥬  (⠪ 뢠 ஥
஫).  PCI  ୮-ᨬ (.. -
   ⮫쪮  ࠬ  Intel).    -
짮 124 ⠪ ࠧꥬ (  32-ࠧ來  設  )

                              - 3 -

 188-⠪ ࠧꥬ ( 64-ࠧ來 設 ),  ⮬
⥮᪨  ᪮  ⠢  ᮮ⢥⢥
132  264 /.

      PCI  ᫥ :

    Ŀ                           Ŀ
                                   ⥬ 
     -  ͵         
                             
                                         
              Ŀ         Ŀ
               ஫          ஫
                  PCI                 ISA    
                       
  32-ࠧ來 設  PCI (33 )          ⠭⭠ 8 
      ͻ             16-ࠧ來 設 ISA
ĿĿĿ     ͻ
  -   ᪮ ⥢  ĿĿĿĿ
஫ೳ஫ೳ                        
  
                                     ஫ ਩
                                     ன









