    "B" IDE AT,  ⨪  ६.


    .

      ᯥ樠⮢ ਨ "" ஧   -
⥫   ࠪ᪠ ଠ  ᪠ ࠢ-
⥩    ६  ⥫   ⪨  ᪠ - 
("")  䥩ᮬ IDE AT.    ᮤন  ⥮᪨
ᢥ   ⥫ IDE AT,  奬 襭  㭪樮
㧫,  ࠪ᪨ ⮤  ४樨  ६. ।
  ⮤ ⨪  ६  IDE AT ᯥ譮 ਬ-
 㯭묨 ࢨ묨 業ࠬ ᨨ.  ਫ   ᮤন
ࠢ  ଠ   ,  ப ᯮ㥬   IDE AT,
ਭ樯 ᪨ 奬 ⥫.
     ।祭   ᯥ樠⮢,   ६⮬ 
㦨   ᮭ ஢.



          ঠ

          
          ᮪ ᯮ㥬 ᮪饭.
    1.    孨᪮ ᠭ  IDE .
    1.1   ୠ 奬  IDE AT.
    1.1.1 奬 ࠢ 诨 ⥫.
    1.1.2 奬 ࠢ 樮஢.
    1.1.3  뢠-.
    1.1.4    । .
    1.1.5 ⠫ ப஫.
    1.2   䥩 IDE AT.
    1.2.1 ࣠ 䥩 IDE AT.
    1.2.2  /뢮,   IDE AT.
    1.2.3  ॣ஢  IDE AT.
    1.2.4 ᠭ   IDE AT
    1.3   㦥 ଠ  IDE AT
    1.4   ᪠ ࣠ ᪮ ࠭⢠.
    1.5    ࠭樨.
    1.6     IDE AT.
    2.    ⨪  ६ IDE AT ⥫.
    2.1   ஡ ६  IDE AT.
    2.2    ᯮ㥬  ⨪  ६  IDE AT.
    2.3   ࢮ砫쭠 ⨪  IDE AT.
    2.4     訡  ⨪  IDE AT.
    2.5   ᭮ ਭ樯 ᪠ ࠢ.
    2.5.1 ࠢ  砫쭮 樠樥.
    2.5.2 ࠢ 奬 ࠢ 诨 ⥫.
    2.5.3 ࠢ ⥬ 樮஢.
    2.5.4 ࠢ  ⥭-८ࠧ .
    2.5.5 ࠢ  , 奬 ।樨 .
    2.5.6 襭 㦥 ଠ樨.
    2.6   ⠭ 㦥 ଠ樨.
    2.7   ⨬  ࠢ  ମ  IDE AT.
          .
          ਫ.



    .

      -  ࠪ᪨   ⨪   ६
 IDE AT.   ⥮᪨ ᢥ ਢ  
"⨪  ६ ⥫ ⨯  "",    ᮤন
஡  ᠭ  奬孨  ਭ樯 㭪樮஢ 
⥫. ।   ⮤ ᪠  ࠭ -
ࠢ⥩  ࠧࠡ⠭    ਨ ""  ᯥ譮 ᯮ
ᯥ樠⠬ 鸞 㯭 ࢨ 業஢ ࠭.
    ⥫  䥩ᮬ IDE AT    1988.   
      ᠬ묨  ࠭묨    IBM-ᮢ⨬
஢.    饥 ६  ६ ࣠ ᪮
஬ ⢮ IDE AT ஢ ࢮ    (ST157A,
WD93044A,  KL343A    .) ⠭     
1992.  ᮡ    㤥  ⨬  -
⥫.



    ᮪ ᯮ㥬 ᮪饭.

     - ⥫  ⪨  ᪠;
     - ⭮᭮ 䠧 ࠢ;
       - ⭠ ;
      -   ;
      - ⮬᪠ ॣ㫨஢ ᨫ;
       -  થ;
      -  ࠢ塞 殮;
       - 奬;
     - 䠧 ⮯ன ;
      - ஫쭮-横᪨ ;
      - -஢ ८ࠧ⥫;
      - 䨫  ;
    HOST - ࠢ騩 ;
    ECC  -  㦥 訡;
    CRC  - ஫쭮-横᪨ ;
    FIFO - ⨯  " 襫 -  襫".


    1. 孨᪮ ᠭ  IDE AT.


    1.1 Cୠ 奬  IDE AT

    INDEX - ᨣ ࠡ뢠 奬 ࠢ 诨쭮 ⥫
               ᪠;
    START - ࠧ襭   诨쭮 ⥫;
    HD0-HDn -   롮  c뢠/;
    RDDATARLL -  ⥭ RLL;
    WRDATARLL -   RLL;
    WF - ᨣ ࠡ뢠 奬   訡;
    WCLK - ᨭந 뢠 ;
    WRDATA -     NRZ;
    LATE, EARLY - ᨣ ࠢ ० ।樨;
    DRUN - 室 ⥪  ᨭ஭樨;
    RCLK - ᨭந 뢠 ;
    RDDATA - 뢠    NRZ;
    RDGATE - ஡ ⥭;
    WRGATE - ஡ ;
    MALE - ஡  ࠢ饣 ய;
    MRE - ⮡ ⥭ ࠢ饣 ய;
    MWE - ⮡  ࠢ饣 ய;
    D0-D7 - ७ 設  ⥫;
    MCINT - ᨣ 뢠  ⠫쭮 ப஫;
    /OE - ஡ ⥭  ୮ ;
    /WE - ஡   ୮ ;
    HD0-HD15, HA0-HA2, /CS0, /CS1, /HIOW, /HIOR, /IOCS16, IRQ14,
    RESET - 䥩 ᨣ.

    1.1.1 奬 ࠢ 诨 ⥫

    奬 ࠢ  诨  ⥫ ஡ ᬮ७ 
[1].   ⥫  IDE AT  ࠢ 䠧, 
ᯥ稢  ⠡ ᪮ 饭,  ᮡ 
 襭 ⭮ .   ⮩  稭  ⠪ -
⥫,    ࠢ,   稪  (ST125A,  ST138A,  ST157A,
ST351A/X, WD93044A/95044A, KL-343, KL-3120, KC-40GA),  
奬  ࠢ  诨  ⥫ 筥 ࠨ
᪮ 饭 ᪠.   ᮪ ॡ  奬 ࠢ-
  诨  ⥫  易   ⮫쪮  襭 -
   IDE AT,     ⥬,   ⠪   
,    ਬ 3-  ᪨,  - ⮣ 堭-
᪠ ⥬ 诨- ᪨     樮-
,      ஭   ॥ 稢 
⠭  ᪨,    㣮 ஭ ⠪ 堭-
 ⥬ ᨫ쭥 থ ⮭樨.
      ⥫,  ᮫ ਢ  -
,  ᯥ祭 ⭮ 裡 奬 ࠢ 诨-
 ⥫  ᠬ 诨 ⥫  稪 
ᯮ  ஥ ࢨ᭠ ଠ,   ᯮ 
⮫쪮  樮஢  ,     ⠡-
樨  ᪮  饭  诨쭮 ⥫ (ST1057A,  ST1102A,
ST1144A, ST3144A, CP-3000, CP-30104).  ⠪    -
饣 殮 诨 ⥫ 稢  ஢-
 ०   ᪮ 饭    ᪮.  ᫥
⮣ ᯥ樠쭠 奬,   ଠ ࢨ᭮ ଠ樨, 뤥
 - ࢮ⪨       奬  ࠢ
诨  ⥫,   ⨬ ᠬ  ந室 쭥
⠡ ᪮ 饭.  ⫨⥫쭮  ᮡ  ⠪
⥫    稥 ᥣ  ஢ (䠧 ࠢ-
)   诨쭮 ⥫.
        IDE AT ᪮ 饭  ᪮
⠢﫠  ࠢ 16,6   (ST125A,  ST138A,  ST157A,  KL-343,
KC-40GA, WD93028A, WD93048A)  ᮢ६  ,  ਬ-
 ᮪ந⥫ ⠫ ஫஢,   -
襭  ᪮   ᪮ 饭 ⥫쭮 㢥稭 
 ⨣ 10,1 .
    ࠪ᪨        IDE AT ࠧ襭  
⥫   ࠢ饣 ய, ᫥  -
樨,  ⮬  诨 ⥫  ⠭ 
 䥩᭮ ᨣ RESET.


    1.1.2 奬 ࠢ 樮஢.

    ⥬ 樮஢   蠣 ⥫ ஡ ᬮ-
७  [1].   IDE AT ਬ ⥬ 樮஢,  
蠣 ⥫, ⠪   ᮫ ⥫ (㪮 -
), 祬  ᫥ ६ ⥬ 樮஢  ᮫-
 ਢ ࠪ᪨  ᭨ ⥬ 樮஢-
  蠣 ⥫.   易,  ० ᥣ,  ⠪ -
ࠪ⨪ ,   । ६ 㯠, ன 稭 -
  㢥稢 ⭮ ,   㢥祭 -
⢠  樫஢  ࠡ祩 孮   ᫥⢨ 㬥-
 ﭨ   ᥤ ஦.  ⠪  ਬ-
 㣮ࠧ ᮫ ⥫   ⥫-
    ࠢ  묨  ᯮ짮  
    .      IDE AT  ᮫
⥫  ࠧ饭 ࢨ᭮ ଠ樨 (室  -
樮஢    )  ᯮ짮 ࠡ -
 - dedicated surfase (ST1057A,  ST1102A,  ST1144A,  ST3144A).
ᮢ६    IDE AT ਬ ஥ ࢮଠ - embed-
ded.  ⠪  ࢨ᭠ ଠ ᯮ  ଠ -
⭮ ஦  ᥪࠬ (ਬ ⥫ ᥬ⢠ CAVI-
AR  Western Digital).
       IDE  AT   蠣 ⥫ ST125A,  ST138A,  ST157A,
KL-343 ᯮ 筮 䠧 ࠢ  蠣  ⥫
஡ ᬮ७  [1].
      ᮢ६   蠣 ⥫ ᯮ  -
⭮᭮     䠧    ࠢ    ST325A/X,    ST351A/X,
WD93044A/95044A,  WD93048A/95048A.  ⠪ ⥫ ᯮ
஥ ࢮଠ    ஬筮  
⥫ﬨ  蠣 ⥫  ⥫ﬨ  ᮫ -
⥫.  ⭮-᭮ 䠧 ࠢ 砥 
᫥饬:  ᫥ ६饭     ஦
ந室  ன 蠣 ⥫  ᨬ 
⠭ ࢨ᭮ ଠ樨  ⮫쪮 ᫥ ⮣ ந室 -
뢠     .
      ६饭      樫 ࠢ騩
ய   ஫   m,   ਢ  -
६饭  ਡ⥫쭮   樫,  ᫥ ⮣ ய-
 뢠  n  奬 뤥 ࢮ⮪    ࠢ
    ⠫ 祭.   ᮢ  (᫥⢨
ᬥ饭  ஦) ந ४஢    m    
.

    1.1.3  뢠-.

     뢭- ஡ ᬮ७  [1].    IDE AT
  뢠-  ௥ 讣   ࠢ-
  ᫥ ⥫ﬨ ST506/412 RLL.    易
 ᭮   ⭮    묨 ⮤ -
஢ ଠ樨 ⠪  ARLL [2].     IDE  AT  ਬ
  ⥭     ন騥 ஢ RLL,  
᭮  10206,  32P541, 32P544.  ⢥ ஢।-
⥫  ᨫ⥫ ⥭/  ⮢  ਬ -
 ४訥 ᥡ 奬 32R117,  32R510,  ⮭-
  - 32R520, 32R521, 32R522.

    1.1.4    । .

       奬  ।樨    祭  
ࠧ    ⠫,    ᮡ  ࠪ᪨ 
易  㭪樮 ᮢ襭 ࠧ쭮.
    ᭮ 祭  ᥯  ⮨  ⪥ -
 ᨣ  㬮  ⥭  뤥 ᨣ ᨭ஭樨
RCLK.
    ⮤ RLL (   㣮 ⮤ -  饭    )
ॡ  砫쭮  䠧஢ ஡ 뤥 ,   ⮩
楫  ଠ   ᯥ樠 ᨭ஧,  騥 
᫥⥫쭮  㫥.  ⠭    RDDATARLL (READ DATA
RLL)   뢠  㯠  ⥪   ᨭ஭-
樨,     ⮪ ᫥⥫ ᮢ 뤥 
뢭 ᫥    㣮      㫥.  ⥪
।⠢ ᮡ १᪠   ⥫쭮 -
   祬 ਮ ᫥  ᮢ    
㫥  .  ࠧ  宦   뢠-
-  ᨭ஭樨  ⥪  ࠡ뢠  ᨣ  DRUN
(DETECTOR  RUN).   ⢥  ᨣ DRUN ⠫ ப-
஫ ନ ஡ ⥭ RDGATE (READ GATE).   ᨣ -
뢠 室  ⨯  ⠭  RDDATARLL 㯠
 䠧 ,   ࠡ뢠  ᨣ, -
ࠢ騩 ⮩ ࠡ  .  ஢  ᨣ-
   ᮣᮢ 䠧 室  RDDATARLL   -
室 ᨣ .  , ᣫ騩  樨
䨫   ࠧ   䠧 ⮯ன -
  ().    ࠧ ⢫ ᫥  
 室 ᨣ  ᯥ稢 ⮢୮ 뢠
.  ᯥ祭 ଠ쭮 ࠡ   ⢨ ᨣ
RDGATE ⨯ ४砥  室     ᨭ஭  
ந  楢  15 .
    室 ᤥ 砭,  .. ਮ ᫥ ᮢ
 㫥   ᮢ,   ᨣ DRUN 㤥 訡筮 ନ-
஢  ⮫쪮  宦  ᨭ஭樨,     
㣮       ᫥⥫쭮 㫥  .
⮬  ଠ ஦   ᨭ஭樨 ᫥    -
᭮ થ ᠭ  襭 ࠢ ஢ ( -
᪮  ᨭந) ⠪     -
   ଠ ஦.   ᨣ DRUN ⠫ -
஫ 㯠   ᭮ થ,  ᫨   -
㦥  ᫥⥫쭮   ᫥⥫쭮   㫥 
  ᨭ஭樨.
    祭   ਭ樯 ।樨 ஡ ᬮ७  [1].
 EARLY  LATE ࠡ뢠 ⠫ ப஫-
஬    ᭮  ।⥫쭮   뢠 ଠ樨.
 ࠧ襭 ।樨 WPCEN (WRITE PRECOMP.  EN.) -
뢠 ࠢ騬 ய஬.  ⢨ ।-
樨 WPCEN=0 뢠    室 ঠ묨
 24 ,  ⠥ 㫥 ⪫.

    1.1.5 ⠫ ப஫.

    ⠫ ப஫    ᫮ -
⮬  IDE AT   ।騬  ᪮  -
    HOST.  ப஫     
  砥  HOST,  쭮 ய,  RAM -
    묨  . ப஫ ।⠢
ᮡ  ⮬ ࠢ塞  ஭ 쭮  ய-
,  ஭ HOST 㯭 ⮫쪮 ⠭ ॣ 䠩
.  ணࠬ஢ ⠫쭮 ப஫ ந-
   ⠯ 樠樨  ஭ 쭮 ய-
,   ⮬ ந ன     ⮤ -
஢ MFM, RLL  NRZ, 롨ࠥ ० CRC  ECC [4], -
 ०   ⪮ ࠧ  ᥪ (
० ᯮ   IDE AT  -ᥪ樮  . -
).
     ய ࠢ ஬ ,  ஫-
஬   ० ࠡ ஫ 䥩 (  -
ப஫   ࠡ  ० AT  XT).   ࠢ -
 ய 室  ﭨ     -
⨢஢    ப஫  MCINT (MICROCONTROLLER INTE-
RUPT).  ० AT MCINT ⠭,  HOST ந -
   ॣ 1F7h.
      ࠢ    ண  -
    8    256     ⭮ ᯮ㥬
ப஫.    ࠧ   ୮    
᫥ ᥪ .  樠 ॣ 㯭 
஭ 쭮 ய ᮤঠ 砫    
ᥪ ஢.  HOST ⢫  묨   
ᥪ ஢ ।⢮ FIFO,    ஭  ஫  
  묨  㣨 ᥪ ஬.
    ஫ ࠢ  ।祭   묨 -
  ⥭-८ࠧ ,     ᮢ-
⭮  ஬  -  , ⥫쭮 ஫
ࠢ    ⢫  ଠ஢  ஦,  ⮬ 
ࠢ筮 㬥樨    ଠ   ᪮-
 䥩 (FORMATTER & DISK INTERFACE).
     믮 ⥭,   ᥯ , 室 ࠢ-
騩 ᨣ DRUN ( 宦  ᨭ஭樨).   ⮬ ᨣ-
 ⥪ ᭮ થ,   室 ⮪  ⠥
㦨   ᫨  㦥,    ᨣ START  -
,   稭 ८ࠧ 室     
᫥⥫ . 奬 ஢ન   ࠢ 訡 -
㦨  ᫨  ४ 訡,  १ ஢-
 ନ ᨣ NO ERRORS.  ᫥ ⮣ ᫥⥫ -
 ஡ࠧ  ࠫ.
     믮       ८ࠧ  ᫥-
⥫   㯠  奬  RLL,    ⮩
WCLK ࠡ뢠   WRDATA.  ᨬ  樨
⮢  ନ ᨣ ४樨 EARLY  LATE  ᯮ-
 奬 ।樨. 奬   뢠 -
஫쭮 横᪨   室  ⮪  ᫥⥫  .
ନ஢     뢠 .  ᨣ-
 WRITE AM  RLL ନ  ᭮ થ (-
஢  襭 ࠢ ஢).
    ஫ ࠢ   ᠬ ᫮  -
⠫쭮  ப஫  ।⠢ ᮡ  ⮬
믮騩 㭪樨:
      ᭮ થ;
     ⥭ ᥪ;
     ⥭  ᥪ஢  ஦;
      ᥪ;
       ᥪ஢  ஦;
      䨪;
     ଠ஢  ᥪ;
     ଠ஢ ஦.
    ࠢ ஫஬  ⢫   ॣ஢
ࠢ 㯭  ஭ 쭮 ய.
    騬   ந  ⠫ ப஫஢
  IDE AT  :  Adaptec Inc.,  Cirrus Logic  Inc.,
Western  Digital  Corp.,  Chips & Technologies.   ந⥫
,  ⮬ ᫥ Seagate Technology  Quantum Corp., ᮧ ᮡ-
⢥  ஫       ந⢥ ࢨ
ࠧ ⠪ ,   Texas Instruments Inc., Silicon Sis-
tems Inc.
     .1 ਢ ⠫  ப஫    
    ᯮ.

                                                           1.
͸
 ଠ-ந⥫  ப஫   ,   ਬ    
ĳĳĳ
    Adaptec Inc.          AIC-010       ⢮ ST157A                  
                          AIC-6060      C⢮ -3                 
                          AIC-7160      ALPC DR311C91A                    
                          AIC-7165      Maxtor 7131AT, ST3390A            
ĳĳĳ
  Western Digital         WD42C22       ⢮ WD9X0XXA                
       Corp.                            ⢮ CAVIAR                  
                                        ⢮ PIRANY                  
ĳĳĳ
  Cirrus Logic Inc.     CL-SH260/265    KC-40GA, ST351A/X,ST1144A, ST3144A
                                        C⢮ -3, Maxtor 7040A   
                        CL-SH360                    -                     
                        CL-SH365                    -                     
;

     ᥣ譨  ᠬ ᯮ࠭ ⠫  -
ப஫஬    CL-SH260     ୨஢ 
CL-SH265, ⨬ ஫ࠬ ਭ ਡ⥫쭮 60%- 
 ᪠  IDE AT. ப஫ AIC-6060 ᮢ⨬ 
ࠧ 뢮  祭 ॣ஢  ன⢮ CL-SH260, 
ਢ室 ᫥  த⢨  50%   ᮤন -
⥫ ॣ ⢫   ⮫쪮 .


    1.2 䥩 IDE AT.

    1.2.1 ࣠ 䥩 IDE AT.

    ନ IDE  (Imbedded Drive Electronics) - ।  -
䥩 ⥬ ஢,  ॢ AT 砥,    ⥬
  IBM AT  ᮢ⨬  .
    䥩 IDE  ।  1988 .   짮⥫ -
஢  IBM PC/XT  AT ( 饥 ६ MCA).  ⫨⥫쭮 -
 ⮣ 䥩  ॠ 㭪権  ஫
  . ᬮ  ப ᯮ짮 ⮣ 䥩 
 IBM AT,  ⠭⨧   ⮫쪮  1990 .  -
  (ANSI X3T9.2/90-143).     뢠 ᭮-
  䥩  ᯮ㥬   ⥫ IDE AT,
஬    ⠭  ᮤন  ᯮ⥫  -
: ॢ ⥫  ०  ࣮ॡ  .
    ,   砥    ⥨  設  
 믮 㭪樨    ᮢ  ஫  
ନ஢⥫ 䥩 ᨣ.   ⠭ IDE AT  
祭   MASTER  SLAVE.  ४祭 ० ⥫
⢫ ६窮, 祬  ᪨ ᪮ 
MASTER.  䥩 IDE AT ন ⮫쪮 ணࠬ /뢮
 ᯮ짮 ⭮ 뢠 IRQ14.
    ᪨ 䥩 ॠ   ᪮  40  ⠪⭮
, ४㥬  50 .
    । ᨣ  ⠪⠬   ⠡.2.

                                                                2.
Ŀ
⠪     ᨬ     ࠢ              祭              
Ĵ
   1     /HOST RESET     HOST        HOST ⥬       
Ĵ
   2         GND                    騩                               
Ĵ
   3     HOST DATA 7   㭠ࠢ.                                      
Ĵ                                     
   4     HOST DATA 8   㭠ࠢ.                                      
Ĵ                                     
   5     HOST DATA 6   㭠ࠢ.                                      
Ĵ                                     
   6     HOST DATA 9   㭠ࠢ.                                      
Ĵ                                     
   7     HOST DATA 5   㭠ࠢ.                                      
Ĵ     16 - ⭠ 㭠ࠢ 設
   8     HOST DATA 10  㭠ࠢ.      HOST  ⥫.  
Ĵ                                     
   9     HOST DATA 4   㭠ࠢ.                                      
Ĵ                                     
   10    HOST DATA 11  㭠ࠢ.                                      
Ĵ                                     
   11    HOST DATA 3   㭠ࠢ.                                      
Ĵ                                     
   12    HOST DATA 12  㭠ࠢ.                                      
Ĵ                                     
   13    HOST DATA 2   㭠ࠢ.                                      
Ĵ                                     
   14    HOST DATA 13  㭠ࠢ.                                      
Ĵ                                     
   15    HOST DATA 1   㭠ࠢ.                                      
Ĵ                                     
   16    HOST DATA 14  㭠ࠢ.                                      
Ĵ                                     
   17    HOST DATA 0   㭠ࠢ.                                      
Ĵ                                     
   18    HOST DATA 15  㭠ࠢ.                                      
Ĵ
   19        GND                    騩                               
Ĵ
   20        KEY                     - ᯮ  ࠢ쭮 
                                    祭 .                 
Ĵ
   21                                -  ᯮ            
Ĵ
   22        GND                    騩                               
Ĵ
   23    /HOST IOW        HOST    ஡    ॣ  
Ĵ
   24        GND                    騩                               
Ĵ
   25    /HOST IOR        HOST    ஡ ⥭ .  ॣ஢ 
Ĵ
   26        GND                    騩                               
Ĵ
   27     IO CH RDY       HOST     ⮢    묨    
Ĵ
   28      HOST ALE       HOST    ஡ .  -   .
Ĵ
   29                                -  ᯮ            
Ĵ
   30        GND                    騩                               
Ĵ
   31    HOST IRQ14       HOST      뢠   HOST       
Ĵ
   32   /HOST IO CS16     HOST      HOST,  ᮢ 16     
                                    ࠧ來 ॣ /뢮  
Ĵ
   33      HOST ADR1      HOST    -  롮 ॣ஢     
Ĵ
   34       /PDIAG                  ᯮ SLAVE ⥫, ⮡
                                    ᨣ஢ MASTER ⥫,  
                                     SLAVE ⥫ ஢ - 
                                    ७ ⨪.                 
Ĵ
   35      HOST ADR0      HOST    -  롮 ॣ஢     
Ĵ
   36      HOST ADR2      HOST    -  롮 ॣ஢     
Ĵ
   37     /HOST CS0       HOST    -  롮 ॣ஢     
Ĵ
   38     /HOST CS1       HOST    -  롮 ॣ஢     
Ĵ
   39   /HOST SLV/ACT      HOST      祭:           
                                    1.  - SLAVE,  ᨣ  
                                       -   ⨪.    
                                    2.  ⥫ MASTER -        
                                       ⥫ .                
Ĵ
   40        GND                    騩                               


    ਬ砭:   ᨣ  ࠧ筮 孨᪮
                㬥樨  ⫨.

     ᨣ 䥩 IDE AT  ࠧ  㯯:
       - ਧ ⠭ ᨣ 設 ISA ᮭ쭮
          IBM AT [3]:

          /HOST RESET ( 設 ISA   ᭮ 祭);
          HOST DATA 0-15;
          /HOST IOR;
          /HOST IOW;
          IO CH RDY;
          HOST ALE;
          HOST IRQ14;
          /HOST IO CS16;
          HOST ADR0;
          HOST ADR1;
          HOST ADR2.

       - ⥫ ᨣ 騥 ᮢ 䠩 :

         /HOST CS0;
         /HOST CS1.

       -  ⢨   MASTER/SLAVE:

          /PDIAG;
          /HOST SLV/ACT.

    ।稪 ࠢ ᨣ - 奬 TTL  ᯥ稢 ⮪:
          - IoL   12 mA,
          - IoH          -400 uA



    1.2.2  -뢮,   IDE AT.

       HOST    IDE AT ⢫ १ ணࠬ-
-㯭 ॣ -뢮,  樨   뤥-
   ᠬ 1F0H - 1F7H, 3F6H, 3F7H.
    ணࠬ-㯭 ॣ  IDE AT ।⠢  ⠡.3.

                                                           3.

   (HEX)            ⥭                        
ĳĳ
      1F0                         
      1F1        訡                 ४樨
      1F2        稪 ᥪ஢      稪 ᥪ஢
      1F3         ᥪ          ᥪ
      1F4         樫 .     樫 .
      1F5         樫 .     樫 .
      1F6        ⥫/     ⥫/
      1F7        ﭨ              
ĳĳ
      3F6        ୠ⨢ . ﭨ ⥫
      3F7         ⥫      ᯮ


       (1F0) ᯮ  믮 権 -
   ᥪ  ணࠬ ० -뢮.   -
 㯥,    筥  ⥭  . -
।  ⢫ 16-ࠧ來묨 ᫮.   믮
  権 ⥭   (   묨 ।-
  ) 4    ।  ⠬,  ।  ।祩
⮢    ୮ ⠭  3 "Data request" ॣ
ﭨ.

     訡 (1F1) । ﭨ  ᫥ 믮
樨. ﭨ ⮣ ॣ ⢨⥫쭮:
    1) ᫥ 믮 ,  ᫨ ⠭  "Error"  -
 ﭨ;
    2) ᫥ 믮  "⨪"  ᫥  믮
७ ⨪   ⥬ .
  ᪮ ०  ॣ 訡 । ᫥饥:
       01H -  訡;
       02H - 訡 ப஫;
       03H - 訡 ୮ ;
       04H - 訡  ECC;
       05H - 訡 ய
       8XH -  ࠢ.

    祭 ⮢ ॣ 訡 ᫥ 믮 :

Ŀ
   7       6       5       4      3       2      1       0   
Ĵ
  BBK     UNC      0     IDNF     0     ABRT    T0NF   AMNF  


     0 - Data Adres Mark Not Found -  ⠭    ६
믮    "⥭ ᥪ",  ᫨  થ 
ᮮ⢥饣 ᥪ     ᫥  ࠢ쭮  宦
䨪 ⮣ ᥪ.
     1 - Track 0 Not Found - ⠭  ⮫쪮    
"஢", ᫨ ᫥ 2048 蠣  㦥 ஦ 0.
     2 - Aborted Command - ⠭  祭  
ﭨ "Write fault", "Not seek complete", "Drive not ready" 
 뫠 㦥 ⢨⥫쭠 . 稭 訡 
 ।   ॣ஢ ﭨ  訡.
     3 -  ᯮ (ࠢ 0).
     4  - ID Not Found - ॡ㥬 樫,  ,  ᥪ 
  㦥   ந諠 訡 ECC    -
.
     5 -  ᯮ (ࠢ 0).
     6 - Uncorrect Data - 訡 ECC   . ⠭-
  砥 ४㥬 訡.
     7  - Bad Mark Block -  䨪 㦥 ⪠ -
䥪⭮ ᥪ.

     ।樨 (1F1) ᯮ짮  㪠 
樫,  ண 室 믮 ।.  ᮢ-
   IDE AT ।樥 ࠢ  ᠬ  -
⥫, ⮬  ॣ  ᯮ짮  㣨 楫.

     稪 ᥪ஢ (1F2) ᮤন ⢮ ᥪ஢ 
樨   뢠. 祭 ⮣ ॣ 㬥蠥
 1  ࠡ⪥  ᥪ.  ।  ᥪ ந-
室  祭 1,   祭 0 - 256 ᥪ஢.  ᫨  -
  ᥪ୮ । ந諠 訡   -
 । ᥪ,  । ४頥   ॣ -
稪 ᥪ஢ 室 ⢮ ᥪ஢ ஥ ⠫ ᫥
㦥 訡.  ᯥ譮 襭  ᮤন -
 ॣ ࠢ 0.

       ᥪ  (1F3) ᮤন ⮢  ᥪ
  ⥭ . ᫥ ࠡ⪨  ᥪ ᮤ-
  ⮣ ॣ ६.  ᫥ 믮  
 ॣ 室  ᫥  ࠡ⠭  ᥪ
  ᥪ,  ஬ ந諠 訡.

     襣  (1F4)  襣 (1F5) ⮢  樫
।  樫  ண 㤥 믮   -
.

     롮  /   (1F6)  ᫥騩 :

Ŀ
   7     6       5      4      3       2      1       0   
Ĵ
   1     0       1     DRV    HS3     HS2    HS1     HS0  


     0 - 3 -   ࠭ .
     4 - 롮 ,  DRV = 0 ࠭  0,
                         DRV = 1 ࠭  1.
     5, 6 - ࠧ ᥪ:
          00 - १,
          01 - १,
          10 - 512 ⮢/ᥪ,
          11 - १.
     7 - १.

     ﭨ  (1F7)  ⮡ࠦ ⥪饥 ﭨ  IDE
AT. 祭 ⮣ ॣ  ᫥ 믮  -
. ᫨ ⠭  BSY ⮣ ॣ,   饭 
 饭  祭 ⠫ ⮢  ॣ  ﭨ  -
⢨⥫. ⥭ ⮣ ॣ 뢠 ⭮ 뢠-
 IRQ14.
    祭 ⮢ ॣ ﭨ:


   7      6    5        4       3       2       1      0     

 BSY   DRDY      WFT     DSC     DRQ    CORR    INX     ERR  


     0 - Error - ,   ।  稫
 訡,      ᪮쪮 ⮢ ⠭    ॣ
訡.  ᯮ  ன ஢ન ᯥ譮 襭 -
. 뢠,   ॣ  뫠  -
.
     1 - Index -   ⠭  1   
⭮ ᪠.  ᮢ६    ᯮ.
     2 - Corrected Data - ,   뢠  ᪠
 ந諠 訡,  뫠 ᯥ譮 ᪮४஢ -
ன  .  ४㥬  訡  ४ ᥪ
।.
     3 - Data Request -   뢠 ,   
  묨  ஬ ᥪ   믮    ⥭,
.    ⮬  室    ᫠
  ,  ᨬ  믮塞 .
     4  -  Drive  Seek  Complete - ,    -
/ 訫  ᪠.
     5 - Write Fault -  ࠢ  ⥫ 
⪠ 믮    ४묨 ࠬࠬ.
     6 - Drive Redy - ⠭  1 砥 ⮢ 
 믮 .
     7 - Busy - । ﭨ  IDE AT. ⠭-
  1  ६ 믮   ⨪  ᫥  -
⥬ .     ⠭,  㣨  -
 ﭨ   ⢨⥫묨.   Busy  
஢७ । ⥭  ॣ ﭨ.

       (1F7) ᯮ  㧪 믮塞 -
.  ।    ॣ  室  -
  䠩    - Task File ( 室   -
 1F1 - 1F6),   室  ﭨ   (Bu-
sy=0). 믮  稭     ॣ -
.

     ୠ⨢ ﭨ (3F6) ᮤন ⠪    -
ଠ,      ॣ ﭨ (1F7).  稥 砥 
⮬,  ⥭ ⮣ ॣ  뢠 ⠭ 뢠-
 IRQ14 .

     ﭨ ன⢠ (3F6) ᮤন  ࠢ .


  7      6        5       4       3       2      1       0   

                                HS3EN   SRST    /IEN         


     1 - Interrupt Enable -  ࠧ襭 뢠   
            HOST.     ⨢  ⥫ ࠭, HOST
            뢠.  HOST IRQ14   ࠧ襭 -
            १ 3 - ⠡ .     ⨢ 
               ࠭,  ᨣ HOST IRQ14 㤥  ᮪
            ஢.
     2 - Soft Reset - ணࠬ  . ⥫ 믮-
                  ﭨ ᮪ ஢.
     3 - Heads 3 Enable - ᯮ  ࠧ襭 롮 -
              8  15.

      ⥫ (3F7) ᮤন     ,
    ࠭  ।饩 樨.

Ŀ
  7      6        5       4       3       2      1       0   
Ĵ
       /WTG    /HS3     /HS2    /HS1    /HS0    /DS1   /DS0  


     0, 1 - /DS0, /DS1 -  롮 ᮮ⢥饣 -
 0  1.
     2 - 5, /HS0 - /HS3 - ᮤঠ   ࠭ .
     6 - Write Gate -  믮 ,  ⨢    ६
            樨 .


    2.3  ॣ஢  IDE AT.

     樨 ॣ஢  IDE AT ᯮ ᨣ:
    HOST ADR0,  HOST ADR1,  HOST ADR2 - ᯮ  롮 -
    ஢ ;
    /HOST CS0, /HOST CS1 - ᯮ  롮 ॣ஢ ;
    /HOST IOW - ஡    ॣ ;
    /HOST IOR - ஡ ⥭   ॣ஢ .
                                                           4.
____________________________________________________________________
/CS0 /CS1  HA0  HA1  HA2 ⥭ ॣ஢   ॣ 
                           ஡  /IOW   ஡  /IOR  
ĳĳĳĳĳĳĳ
 0    1    0    0    0        1F0              1F0          
ĳĳĳĳĳĳĳ
 0    1    0    0    1        1F1              1F1          
ĳĳĳĳĳĳĳ
 0    1    0    1    0        1F2              1F2          
ĳĳĳĳĳĳĳ
 0    1    0    1    1        1F3              1F3          
ĳĳĳĳĳĳĳ
 0    1    1    0    0        1F4              1F4          
ĳĳĳĳĳĳĳ
 0    1    1    0    1        1F5              1F5          
ĳĳĳĳĳĳĳ
 0    1    1    1    0        1F6              1F6          
ĳĳĳĳĳĳĳ
 0    1    1    1    1        1F7              1F7          
ĳĳĳĳĳĳĳ
 1    0    1    1    0        3F6              3F6          
ĳĳĳĳĳĳĳ
 1    0    1    1    1        3F7               -           



    2.4 ᠭ   IDE AT.

      HOST 뢠  ॣ  1F7  믮
.  ।    ॣ 1F2-1F6  ନ
䠩    (Task  File)  ᮤন  室 
믮 .   ਢ  ⠡ 5.

                                                     5.
  ____________________________________________________________
                                  ᯮ㥬 ॣ
                    ĳ
                                  1F2 1F3 1F4 1F5 1F6 
  ĳĳĳĳĳĳĳ
  ७            90H                        D  
  ⨪                                         
  ĳĳĳĳĳĳĳ
  ଠ஢        50H        Y       Y   Y   Y  
  ஦                                             
  ĳĳĳĳĳĳĳ
  䨪         ECH                        D  
                                                  
  ĳĳĳĳĳĳĳ
  樠         91H        Y               Y  
  ࠬ஢                                      
  ĳĳĳĳĳĳĳ
  ஢          10H                        D  
  ĳĳĳĳĳĳĳ
  ⥭          E4H                        D  
  ĳĳĳĳĳĳĳ
  ⥭ ᥪ()    2XH        Y   Y   Y   Y   Y  
  ĳĳĳĳĳĳĳ
  䨪           41H        Y   Y   Y   Y   Y  
  ĳĳĳĳĳĳĳ
  樮஢      70H            Y   Y   Y   Y  
  ĳĳĳĳĳĳĳ
            E8H                        D  
  ĳĳĳĳĳĳĳ
   ᥪ()    3XH        Y   Y   Y   Y   Y  
  

 Y - ॣ ᮤন  ᯮ㥬  믮 
 D -  ॣ 1F6 (롮    ) ᯮ
     ⮫쪮 롮 
 X = 00LR -  ࠤ   ⥭   ᥪ
     L - ०  樨:
       L=0 - ଠ ०, 믮 㭪樨 CRC  ;
       L=1 -  ०   樨.   ࠡ뢠  CRC
              ,   訡     ஢-
             .    ⥭    ᥪ  4-
               짮⥫.
     R - ० ७   訡:
       R=0 - ७ ࠧ襭;
       R=1 - ७ 饭.

    ७ ⨪  (90H) - 믮 ७ -
⨪   砭 ன  ॣ  訡  ନ  
襭. ᫨ 訡 ,  襭 01H.
    ଠ஢ ஦ (50H) -    ⮩    뢠
ଠ  ஢  㪠 ஦ .   -
 IDE AT ଠ஢ ஦ ந  祭 孮-
᪮ ०.
    䨪   (ECH)  -   ⮩   ᥪ 
뢠 ᯮ ᪠  ନ  DRQ  ॣ   -
ﭨ.
    樠 ࠬ஢    (91H)  -    ⮩  
ࠨ  ࠬ  ⥫    HOST.  
  믮 ᫥ "" .
    ஢ (10H) -  ⮩     ⠭-
  0- 樫.
    ⥭  (E4H) -  ⮩    ⠭  
DRQ    ॣ ﭨ.  HOST   ᮤন 
256 ᫮ १ ॣ .
    ⥭ ᥪ() (2XH) -  ⮩   ᥪ -
뢠  ᥪ  (筮 512 )   ନ  
DRQ.  HOST   ᮤন  256 ᫮ १ ॣ
.     ⠭  L  () R. Cন-
 ॣ 1F2 㪠뢠  ⢮ 뢠 ᥪ஢ (᫨
1F2=0,   뢠 256 ᥪ஢), ᮤন ॣ 1F3 㪠-
뢠 砫 ᥪ.
    䨪 (41H) -  ⮩  ஢ ଠ  㪠-
 ஦.  樮஢ (70H) -  ⮩   
⠭  㪠 樫.
       (E8H)  -   ⮩  ⠭ 
DRQ  ॣ ﭨ,  ᫥ ⮣ HOST    ᫠  256
᫮ १ ॣ .
     ᥪ() (3XH) -  ⮩  ⠭ -
 DRQ  ॣ ﭨ  HOST  ᫠ 256 ᫮ १
ॣ .  ᫥ ⮣  뢠   .
     ⠭  L  () R.  Cন -
 1F2 㪠뢠    ⢮  뢠  ᥪ஢  (᫨
1F2=0,   뢠 256 ᥪ஢), ᮤন ॣ 1F3 㪠-
뢠 砫 ᥪ.

    1.3 㦥 ଠ  IDE AT.

    㦥 ଠ  IDE AT 室   㭪樮஢-
 奬 ᠬ    ࠢ   짮⥫.  㦥-
 ଠ  ࠧ  ⨯:
    ࢨ᭠ ଠ;
    稥 ணࠬ;
    ଠ  ஢;
    ᯮ ᪠;
     ᡮ ᥪ஢.

    ࢨ᭠ ଠ  - 室  ࠡ ࢮ⥬ -
     ᮫ ⥫    蠣-
 ⥫  ⭮-᭮ 䠧 ࠢ.   -
   ࢨ᭠ ଠ ᯮ   ⠡-
樨 ᪮ 饭 诨쭮 ⥫.
         ࠧ饭 ࢨ᭮ ଠ樨  -
짮  ⤥ 孮   ᪮,   -
⢥ ᭨    .    ᮢ६  
  ࢨ᭠  ଠ ᯮ ।⢥  ଠ
⭮ ஦  ᥪࠬ.
        IDE AT  蠣 ⥫ ࢨ᭠
ଠ  (ST125A,  ST138A,  ST157A,  KL-343).  ⠪
 樮஢  宦 㫥 ஦ ந室 
ଠ  ஢.
    稥 ணࠬ  -  (ப)  ࠢ襣  ய
।⠢ ᮡ 室  ணࠬ  ࠡ 
.  ⠪ ணࠬ ⭮ ணࠬ ࠢ ன
樮஢,  ணࠬ  ଠ樥    ⠫
ப஫஬   , ணࠬ ࢮ砫쭮 -
⨪  ...   設⢥   ࠡ稥 ணࠬ ࠧ-
  ७  ࠢ饣 ய,   -
 ᯮ 譥 , ਬ KL-343.
             ࠡ ணࠬ ࠭ 
⭮ ᪥,    ७  ࠢ饣  ய
࠭ ணࠬ 砫쭮 樠樨, 樮஢  -
 稪  뢠 ࠡ ணࠬ  ⭮ ᪠
 .   ਬ   ST125A,  ST138A, ST157A  ⭮
᪠ 뢠 浪 6 - 7 .
    砫 ஦  ।    ᮬ.  ⢮
ᥪ஢  ஦   ᯮ㥬 ⮤  ஢  
᪮  饭  诨쭮 ⥫.  ଠ  ᥪ
ᮤন  䨪樨,   ,  ᨭ஧  ஡. 
砫 ஦ ᯮ ᨭ஧,  ᮤঠ 14 ⮢ 㫥.
஧ 㦨  䠧஢  ᨭ஭樨 ஡  뤥
.   䨪樨 ᮤন  થ,  樫-
,   孮,  ᥪ    ஫쭮 横-
᪮  .   A1 室騩   થ,  뢠 
襭 ࠢ ஢ ⥬ ய᪠    ᨭ-
஭樨,        ⫨     㣮  A1
饣  ஦.     થ    䨪樨
室 ⠪   樫:
    FE - 樫 0-255            F6 - 樫 1024-1279
    FF - 樫 255-511          F7 - 樫 1280-1535
    FC - 樫 512-767          F4 - 樫 1536-1791
    FD - 樫 768-1023         F5 - 樫 1792-2047
  䨪樨    室 ஡ 1, -
騩  3   㫥  ᨭ஧.    砥 
થ ,  ᮤঠ騩  A1  F8,   (⢮  
ணࠬ)  4  .  ஡ 2 㦨  ᪫祭 -
  ᥤ ᥪ஢  ⮬  砥,  ᫨  ଠ஢
᪠  ஢     ,    
ந    . ஡ 3 㦨 -
஬ ⪫ ᪮ 饭 ᪠  ᥩ ஦.
      ஫஢   ࠢ  ᢮  ଠ,  
 ଠ ⠥ ﭭ.  ᭮ ࠧ 
- ⢠ ᥪ஢  ஦,  ⢠      ,
祭  ஫쭮 横᪮ .   ᫥ ६ -
 ⥫  ﭭ ⭮      -
뢠  -ᥪ樮 .   뫮 ஡ ᬮ७ 
[1]    ⭮   業  ᪠  ⠥,  
  ﭭ ⭮   譨 ஦ ࠧ頥
襥 ⢮ ᥪ஢,  祬  ७.    ਢ  
⥫쭮 㢥祭   ࠢ  묨 .  -
⮤  ﭭ ⭮  饭 ⥭⮬  ਬ 
᭮   让 .
    ᯮ ᪠ - ⥫ IDE AT ᮤন ࠢ  ଠ-
   䨣樨  ࠪ⨪ .  ᯮ ᪠ 
 ᥪ 256 ᫮  ᯮ    饭  .  ᯮ
᪠ ।祭  ⮬᪮ 䨣஢ ⥬ 
ன ணࠬ ᯥ祭  ࠡ   .    ⥭
ᯮ ᪠ 室   䨪樨 (ECH), ᫥
祣  ଠ   ᥪ    .    .6
ਢ  ᯮ ᪠.

                                                         6.
 Ŀ
  C                祭                                 
 Ĵ
   0         ᫮ 䨣樨                          
   1        ⢮ 樫஢                                
   2        १ࢨ஢                                    
   3        ⢮                                   
   4        ⢮   ஦                          
   5        ⢮   ᥪ                           
   6        ⢮ ᥪ஢  ஦                      
 7 - 9      䨪 த                               
 10-19      ਩  (ASCII)                              
   20        ஫                                     
   21           512                   
   22       祭     Long Read/Write       
 23-26       ࠡ ணࠬ (ASCII)                     
 27-46       (ASCII)                                      
                                                                
 

ணࠬ IDEINFO.COM  ATBUSPAR.EXE  뢥  ࠭ -
 ᯮ ᪠ ⠭ , 祬 ATBUSPAR.EXE 뢮-
  ଠ,  IDEINFO.COM ᮪饭.
     ᡮ ᥪ஢.  ⥫  䥩ᮬ ST506/412
⠡ ᡮ ஦ ࠧ頫    ମ    
.  ⥫    , ਬ 20- 
 ST225   ᠬ  21,5 .,  .. 1,5  ⢮ 
ᡮ ஦.    IDE AT ⮦  筮  -
,      짮⥫  㯭  ⮫쪮  ࠢ饬
ய   ஫ ᠬ ⥫.   ⮩ -
筮  ⢮  ࠡ ணࠬ  (᫨   ࠧ-
  孮),   ᯮ ᪠  ⠡ ᡮ ᥪ-
஢.  ⠫쭠  १ࢨ   ᡮ  ᥪ஢.
  ⠡ ᡮ ᥪ஢ ந   -
⥫  ଠ஢ ,    ᡮ ᥪ-
஢    ⠡.   楤 뢠 㧪
䥪⮢ (UPDATE DEFECT).    ࠡ    ࠢ
DOS ᫨ ந 饭  ᡮ ᥪ,  ᠬ ⥫
ॠ 饭  १ࢭ.  ⮩ 稭  IDE AT -
⥫  襤訥   ⮢⥫     ᡮ-
 ᥪ.
      ⬠  䥪⮢.  砥 
⮬,     ஦ ⥫ ࠧ頥  ⥫,
㯭  筮 ० ᥪ   㦥 䥪  -
  ࠡ祬 ᥪ ஦ 砥 १ࢭ.   -
  ⥫   ⮫쪮  䥪 ᥪ  ஦-
.  ᫨ 䥪 ᥪ஢  ஦ ᪮쪮,  ⠫ -
 祭  BAD    ஢થ 孮.   -
 㤮   ࠤ  ࠯      ᪠.
   䥪⮢ ᯮ  ⥫ ᥬ⢠
WD93044A,  KL343A, KL3120A. ன   ᪫ 
஦    㦥   䥪⮢.  ⥫ ᯮ訥
⠪   䥪⮢  ।  ⢮  -
ࢭ ஦.  ⮪ ⮣ ⮤ 砥  
室 ᪮ ࠭⢠ ..    ᡮ-
 ᥪ ᪫砥  ஦.    䥪⮢
ᯮ ⥫ ᥬ⢠ ST157A (浪 100 १ࢭ -
), ⥫ ᥬ⢠ 3  Conner.

    1.4. ᪠ ࣠ ᪮ ࠭⢠.

       ST506/412  ᪮ ࠭⢮ 뫮 㯭 -
⥫, ᪫祭 ⠢﫨 "ᮢ" ஦   뫠
ᠭ  ࢨ᭠  ଠ   ⥫  蠣 ⥫
ਢ    ⤥쭠 ࢮ孮     
᮫ ਢ.
     ⥫ IDE  AT  쭮  ⥫쭠    ᪮
࠭⢠   짮⥫,   ᮤন 㦥 -
  १ࢭ    ᡮ ᥪ஢ .   -
쭮  ०  ࠡ  ⥫  㯭 ⮫쪮 ७
ப஫.    - ⮣,     IDE AT  -
  ⨥ ᪮ ᥪ  HOST ࠡ⠥   䨧-
 ᥪࠬ ⥫,    ᪨.     䨪樨
䨧᪮  ᥪ ࠭ 祭 ,  樫  ᥪ
筮 ଠ ⥫ ST506/412,  ᪨ ᥪ -
   ᫥⢨  ࠢ騬 ய஬ ⥫
ࠬ஢  ᥪ   (, 樫, ᥪ)
 ॠ ᪮ ࠭⢮ (䨧᪨ ଠ⮬).
    ப஫  믮 樨   ⥭ 
⮫쪮   孮  ன 室 䨧᪨ ଠ (-
 ᥪ,   ᥪ  ..) ⮬ 㦥 ଠ-
    IDE AT ⮦ 室    䨧᪮ ଠ
(᪫祭 ⠢ ࢨ᭠ ଠ ।⠢ ᮡ 
஢ ,   ).  쭥襬  室 -
   짮⥫  ⥮᪨    ଠ஢
ਬ   50H - ଠ ஦.  ଠ஢  -
稭  㫥 樫,   ७ ஫    ""
 ᢮ ᪮ ࠭⢠ 筥 믮  
᪮ 樫 0.
     ஥஢     IDE AT ࠧࠡ稪 ।
室  㭪樮஢ ⥫ 㦥 ଠ  
⢮ 樫஢  ,  ⮬ ᪨ 樫஬ 0
  ᢮ 樫,   ᫨   䨧᪨
ଠ    ⮬  樫 ( 䨪樨 ᥪ)  祭
 樫 㤥 ᮮ⢥⢮ 樫 ᫥騩   ᫥-
 樫஬ 㦥 ଠ樨.
      ⥫  Conner 㦥 ଠ  -
    । ࠡ祩  짮⥫   ࠡ 
᪨ 樫஢ "᪠" १ 樫  㦥  -
ଠ樨.    ⥫  ᥬ⢠  WD93044A 㦥 ଠ
ᯮ  ⥫쭮 ⮬ ᥪ  室 
 ஦.


    1.5  ࠭樨.

      IDE AT ।ᬮ७ ० ணࠬ ࠭樨,  -
  ८ࠧ  樫஢,   ᥪ஢
ॠ쭮  ⥫      ⥫  ।⠢  
,  ⢥ ਥ  ⠪ ८ࠧ 
 ⥫.  ਬ  祭  ST157A (-560,
-6, -26)   IBM PC/AT (BIOS AMI)  Setup  -
 ᪮쪮 ਠ⮢:

                                     
        
        17         977        5         17       42519 
        28         699        7         17       42588 
        40         820        6         17       42823 
        41         977        5         17       42519 
        42         981        5         17       42693 

 ⠡ ,   ⨯ 40 ᯥ稢   ,
  室 ६ ⢮ 樫஢,  ,
ᥪ஢  ᫮ 512 - ⢮    ᥪ.
      ⥫  ४㥬 ࠬ,   
 ᯥ稢 訥 ࠪ⨪:  । ६ 㯠  
᪮  ।  .  祭   ࠬ஢ 㪠뢠 
誥 ମ       ᯮ  ᪠  
   ECH    ணࠬ IDEINFO,  ATBUSPAR.  
  IDE AT  ࠬ ᮮ⢥⢮  䨧᪨  -
ࠬ ⥫ ST125A, ST138A, ST157A, KL-343, WD93044A/95044A 
..   ᮢ६ ,  ࠢ 㪠뢠 ⨬ -
᪨  ࠬ,  ਬ  ST351A/X  䨧᪨  1 
,  ࠬ  ᯮ ᪠ ᮮ⢥ ⨯ 42.
     樠樨   ⥫   ந室  ன  ⥬
࠭樨   ᪨ ࠬ.


    1.6   IDE AT.

    ᫥   饣  殮    ⨢樨 -
䥩᭮ ᨣ /RESET,  奬  ⥫   ᨣ
RESET  ࠢ騩 ய,   ࠡ뢠 ᢮ -
யணࠬ 樠  ﭨ  ⮢  /뢮  (-
⮣   ࠢ ⠭ 诨 ⥫),  頥
ࠡ   , ணࠬ ⠫ -
஫   ணࠬ㥬 奬 室騥  ७-
 設  .  ᫥ ⮣ ࠢ騩 ய -
訢 ७ ᨣ ࠡ ⥫ ,  .,  .., 
 ᨣ   诨쭮 ⥫.  騩 ⠯ -
 யணࠬ - ஢ ७  ,   -
஬ ஢:   , ⠫ ப஫
 ﭨ 室  ᨣ  ப஫    ஭  
. ᫥ ⮣ ࠢ騩 ய  ਮ ᫥-
 ᮢ ,   诨 ⥫  -
   ⮢   ⮫쪮  ந ய
ࠢ 奬 樮஢  ⠫  ப஫-
஬, ६頥      ᠭ 㦥 -
ଠ  뫠   ୮   쭥襩 ࠡ. -
 ⮣ ࠢ騩 ய ⠭  6 (DRDY)  4
(DSC),  뢠  7 (BSY)  ॣ ﭨ ,     -
  訡/।樨 뫠  01 - 訡  -
㦥 ( ॣ 室  ⠫쭮 ப஫-
).  ⥫    ⠪  ﭨ  室 ᪮ 㣮
    ந   ॣ  - 1F7H.
    ࠢ  IDE AT ந   ணࠬ -
 ॣ஢ 1F0H - 1F7H,  3F6H,  3F7H  ஭ HOST.  । -
  HOST- 室 ஢  7 (BSY) ॣ -
ﭨ ,     襭.  ᫥ ⮣ ⠢
⠪ 뢠 䠩  -  ॣ,   -
  믮塞  (ॣ  ᥪ, ॣ -
⥫/  ..)   ॣ 1F7H 뫠 .
    ᫥     ॣ  ⠫ ப஫
ନ  뢠   ࠢ饬  ய  MCINT
(Micro Controller Interupt)  ᫥   IRQ14.  ࠡ뢠
楤 뢠 ࠢ騩 ப஫  ⥫  -
    ॣ ﭨ   7 (BSY),  뢠  -
 ᮤন ॣ .  ᫨ 訡筮 뫠 
  ,   ॣ 訡 ⠭  2
(ABRT),    ॣ ﭨ ⠭  0 (ERR)  -
뢠   7 (BSY) ᫥ ⮣  ⮢  ਥ ᫥饩 -
. ᫨   ᯮ,  ࠢ騩 ய 
ப஫  뢠  ᮤন ॣ஢   -
    ࠢ ।  楤  -
⪨ ⮩ ,   襭 ன 뢠  7 (BSY)
ॣ ﭨ.   訡 ⥫쭮 ନ-
 ॣ 訡  ⠭  0 (ERR)  ॣ -
ﭨ.


    2.  IDE AT ⥫.

    2.1 ஡ ६  IDE AT.

     ⥫ IDE AT  ᫮, 祬 ६ -
 ST506/412. 易  ० ᥣ  ⥬,   IDE AT -
⥫쭮  ᮤন      ࠢ  ஫  쭮
㤭 । 稭  ࠢ.    ⠪  㤭
-  ᯮ짮  ᮢ६ ⥫ 奬  
 孮⭮ ⠦ PLCC,  SOIC  ..  ⠦ 
 ᯮ짮  쭨.   ⮣  ᮢ६
 ਬ ᯥ樠஢  ࠧࠡ⠭   -
 ⥫,  㤭  . ⥫ IDE
AT  ࠡ 孮 ᮤঠ  㦥  ଠ  
᭮   ன ⥫    -
 ᪮  ஡   ⠭.
     䥪⨢ ६  IDE AT 室   ਭ-
樯  奬  ᠭ ࠡ, ᯥ樠쭮 -
᪮  㤮  । ࠢ   -
㤮  ⠭ 㦥  ଠ樨.    ⠦
奬  孮⭮ ⠦,    ०,  室
ᯮ짮 ᯥ樠  ⠭樨 ਬ騥 稩  -
  ࠧॢ  .
    筮  ६   IDE AT ⨯  ST157A,
WD93044, KL343  .. ਬ塞 ࠪ᪨   -ᮢ-
  饭  1990  1992 .      ࠪ᪨
  㤠  ⥫ ST506/412  ஫-
஢, ⮫쪮 ᮡ࠭    ࠢ  IDE AT (-
ਬ ST157R + ST21R = ST157A).   ⮤ ।묨
    ᯮ ਠ  [1]  ᯥ譮  ६-
஢  ᮢ६   IDE AT.


   2.2 , ᯮ㥬  ⨪  ६  IDE AT.

     ⨪  ६  IDE AT ᯮ:
    - ணࠬ ᯥ祭  ਮ᪮ ஢ન  㦨;
    - ᯥ樠஢ ணࠬ ᯥ祭     
      ⨪ ࠢ  ६;
    - ᯥ樠஢   室/室 ஫.

     ࠢ ਮ᪮ 㦨   ஢  ⥫
IDE  AT  ⢫  짮⥫   ணࠬ ⨯ Chkdsk
( ⨫ DOS),  NDD  SD (  Norton Utilites).  -
  ஢થ 䠩 ,  ﭭ -
஢, ⨬樨 ࠧ饭 䠩  ᪥ (ࠣ). ஬
⮣  ணࠬ  ⨯  NDD   ⢨ ஢ ଠ
(Verify),    짮⥫,   ᡮ ᥪ, 
᪫ ࠡ DOS c ஬  ஬ 室  ᥪ.
     ࠢ ⥫ IDE AT,    ⨪  -
 ᯮ ᯥ樠쭮 ⮢ 㤮 ஥ :
    - ஢ ⥫ ࠡ    ⠢
;
    - ࠡ ।⢥  ॣࠬ ⥫;
    -  ⨪ ⥫ ﭭ ᫥  ॣ-
 ﭨ (1F1)  ॣ 訡 (1F7);
    - ࠡ  ⥫ﬨ  孮᪮ ०;
    - ⠭ 㦥 ଠ ⥫ IDE AT.
     ⢥ ਬ ⪮ ᬮਬ   ᯥ樠-
஢ ஢,  ।祭  ⨪ ࠢ
 ६  IDE AT:
    ᠫ  "UPT-2000"  MAINTEK (ࠨ).  ।-
祭    ⨪  ६   䥩ᠬ ST506/412,
SCSI, ESDI  IDE.
    "UPT-2000"  ⢫ 㣫㡫 ⨪ -
⥫   讣  ⮢ 室   -
⨪ ࠢ .   ⥫ﬨ ࠡ  -
  ⠢ .  ஢  4- ⥫
IDE  AT ६  ⮬᪮ ஢.  ⠭-
 ଠ   ஢        ⥫.  
"UPT-2000"  ।祭    ࠡ   ᫮ 㯭 ࢨ
業஢  ६⮬  㦨 ⥫  ࠧ-
 ⨯ 䥩.
     "-3000" ਨ ""  (,  .⮢---
). "-3000" ࠧࠡ⠭ ᯥ樠쭮  ⨪ ࠢ-
  ६ ⥫  䥩ᮬ IDE AT.    믮  
  ⠭⭮  ७  PC  ।⢥
 ன 砥 ६㥬 ⥫.  ⢫-
      ⮢  室  ⨪  IDE AT,
 ४⭮ ⠭ ଠ  ஢   -
讥  ⢮  ⥫.  ⥫쭮   ।
 騥 ࠡ  ࠧ묨 ﬨ  ⥫  
孮᪮ ०   ⠭  㦥 -
ଠ.  "-3000" ᭠ ஡ 孨᪮  㬥樥
 ६ 鸞 ப ਬ塞  IDE AT.
     -⮢⥫  ࢨ᭮ প ᢮   ࠧ-
ࠡ뢠  ⠢   㯭묨 ﬨ ⥫ ᯥ-
樠஢ ⨫  ⨪ ।   -
⢠  ⥫.   ⢫  -
 ஢ ⥫,  ਬ    ஢થ  孮
(Media  Analys) 㦠  ⥪஢ [1]   ।-
 뢠 .     ⠭
ଠ  ஢    ; ਬ ⨫
SGATFMT - ⠢塞  ⥫ﬨ  Seagate, MFORMAT - -
⠢塞  ⥫ﬨ  MAXTOR.
    樠஢ ⮢ ⠭樨  室 ஫ -
⥫    IDE  AT  ᯮ  ଠ 騬 ᡮમ
஢.  ஬ ஢   ⢫  -
⮢  ⥫  IDE AT  ࠡ  ⠢ ,  ⠭ 
 㦭 ணࠬ ᯥ祭.  ண ⮢ ⠭樨 -
  ஢  ⠢  4  8 ⥫ -
.   ஢ઠ  ⮢  ࠡ 4- ⥫ IDE  AT
 120    ⮢ ⠭樨 "-3000" ਨ
""  20 .,   ६ ⢫  -
  ⥫   ஢   室 ⮢ 
ணࠬ ᯥ祭  ᮮ⢥⢨  䠩 .   ࠢ-
饬   ନ ⮪  ᥬ ஢ -
⥫.

    2.3 ࢮ砫쭠 ⨪  IDE AT.

    ࢮ砫 ஢ ⥫ IDE AT  믮  
  ᯥ樠஢  ⮢  㤮     
७ BIOS, 騬 ஥ ⨪.  ⮣ -
  ⠭ ࠬ ⥫  SETUP  ᫥ 樠樨
   "RUN DIAGNOSTICS".   ஢ન ⥫ -
筮 믮  Read/Verify (஢ઠ ଠ),  Seek (-
ઠ 樮஢)  Media analys (஢ઠ 孮⥩). -
   IDE AT 室    訡,   ⥫ 
⠥ ࠢ.
     砥  ᫨  ⥫  室 砫 樠,
   ⨪ 室  ᯮ짮  ᯥ樠஢
 (ਬ "PC-3000AT")  ᯮ짮 ணࠬ DEBUG.
 ⨪  ணࠬ DEBUG 室  뫠  
⥫ (.  ⠡.5)  ஢ ﭨ ॣ஢ 1F7H 
1F1H.

    2.4   訡  ⨪  IDE AT.

    ᫥ 믮     ନ ॣ -
  ᫨ ந諠 訡 - ॣ 訡.   ᨬ  -
   祭 ॣ஢ ﭨ  訡,  㤨
 ࠪ ࠢ ⥫.  ᫨  믮 
訡,     ⥭ ॣ ﭨ   ⠭
⮫쪮  6 (DRDY)  4 (DSC).  ਢ  ࠪ
ࠢ 騥   IDE AT.
                          ॣ ﭨ
Ŀ
 BSY   DRDY      WFT     DSC     DRQ    CORR    INX     ERR  


                           ॣ 訡
Ŀ
 BBK    UNC       0     IDNF      0     ABRT    T0NF   AMNF  


    ᫥ 믮      設⢠  ⠭
 ABRT  ॣ 訡.   㪠뢠  ,   -
    ᯮ,    ᫨  ஢      
"PC-3000AT",      ४. ⥫쭮 
ࠢ騩 ய ୮    -
⠫쭠 ப஫ ୮  ࠭᫨    ७  設
 .  ࢠ 稭    - ࠢ -
 ய, ⠪  - ࠧ襭 ࠢ饩 ணࠬ 
 ணࠬ.     ࠡ稥 ணࠬ 㦠 
᪠  ୮  (ਬ ST157A)   筮 ࠢ-
 奬   ணࠬ  ࠧ. ⮡  ஢-
 室 ந " "   "  -
"   " "  "PC-3000AT". 
稭   - ࠢ 奬  ⠫쭮
ப஫  ᫨ - 設 ନ஢⥫  ७-
 設  "ᠦ" ᨣ,     ਢ  -
    .    ஢ન ७ 設  㦨
 "  ".   訡 ABRT   
- ୮ ࠭ 䨣樨 ஢塞 ⥫,  
४⭮ ஢ ४㥬 ᯮ짮    -
 PC-3000AT.
     T0NF  ॣ 訡 ⠭,  ᫨  믮-
   ४஢   㦨 㫥 ஦.  
䥪   - ⢨ 䨧᪮ ଠ  -
஦ 0  - ࠢ   ⥭-८ࠧ -
  ᫥⢨ ன     ଠ.  -
      ⥫ 訡 T0NF    稭
ࠧ襭 ࢨ᭮ ଠ樨   ᫥⢨ 祣      
।  ஦ 0.   ஢ન ࠢ쭮 宦 㫥
஦ 室  ० "  "    
४஢ X->0   १  ᢥ⮤ 
ॣ ﭨ  訡.
    ⠫   ॣ 訡 易  ࠢ -
 ⥭-८ࠧ  , 訡 ᫥  浪
㬥襭 ⥯ ࠢ:
    IDNF - 䨪  .    䨪樨  (
,  樫   ᥪ)  ,  筥   
થ  䨪樨  ᫨   䨪樨 , 
  䨪樨  ᮢ.   訡   
 ⢨ 䨧᪮ ଠ   ࠧ襭. - 訡-
    ࠢ   ⥭  -  ⢨
⥭,    - ࠢ 奬 ८ࠧ ,  
- ࠢ쭮 ࠡ 奬   ⠫쭮 ப஫-
.
    AMNF -   થ    㦥 ᫥ ࠢ-
 宦  䨪樨.  訡   ᭮-
  筮 ࠧ襭 䨧᪮ ଠ.   ⥭--
ࠧ   ᥩ  ࠡ⠥ ..   થ
 䨪樨     䨪樨 ᮢ.
    UNC -   ᪮४஢.   믮  ⥭
ᥪ  䨪樨 ⠭ ࠢ쭮,  થ 
 ,    뢠    ᮢ   -
  ࠢ 訡  ᬮ ᪮४஢  訡.
 訡   ᭮   稭  䥪⮢  
孮⥩.
    CORR -  2 ॣ ﭨ -   ᪮४஢.  
믮   ⥭ ᥪ  䨪樨 ⠭ -
쭮,   થ   ,   뢠 
   ᮢ    ࠢ 訡 ᯥ譮 ᪮-
४஢  訡.   訡     ᭮  
稭  䥪⮢   孮⥩.  祭  १
䨧᪮ ଠ ࠢ  訡.
     BBK  ॣ 訡 㪠뢠,    ᥪ  -
஬ ந諮 饭  䥪    祭    BAD.
      訡,    ᪮॥ ଠ樮
.
     WFT  ॣ ﭨ 㪠뢠,   믮 -
樨  ᥪ   䨪樨    ᥪ  ᯥ譮
           ७ 奬 
ନ஢ ᨣ 訡 .   訡    
 ࠢ  .

    2.5 ᭮ ਭ樯 ᪠ ࠢ.

    ࠢ  IDE AT  ࠧ  ᫥騥 㯯:
    - ࠢ  砫쭮 樠樥;
    - ࠢ 奬 ࠢ 诨 ⥫;
    - ࠢ 奬 ࠢ 樮஢;
    - ࠢ  ⥭-८ࠧ ;
    - ࠢ  , 奬 ।樨 ;
    - ࠧ襭 㦥 ଠ樨.

    2.5.1 ࠢ  砫쭮 樠樥.

    ࠢ  砫쭮 樠樥 ਢ  ࠢ 
 ࠡᯮᮡ ⥫.       ⠪  ࠢ-
  祭      诨 ⥫  ᪠ (
᫥⢨ ⮣,  ࠢ騩 ய  뤠 ࠧ襭
 )  诨 ⥫ ᪠,  ⥬ ⠭-
  ᭮ ᪠  ..,        -
  50H  ॣ ﭨ (.  ॣ ﭨ).
    ᭮ 稭   ࠢ騩 ய  -
⥫   믮 砫 樠:
    - ࠢ 奬 ;
    - ࠢ 楢 ⠪⮢ ;
    - ࠧ襭 ࠢ饩 யணࠬ   ணࠬ;
    - ࠢ ࠢ饣 ய;
    - ࠢ ⠫쭮 ப஫;
     ⮣  ⮡  ஢   ய ࠡ뢠 -
砫 樠 室  ⨭ ࠢ饩  ய-
ணࠬ,  ⮣    ஢        
稭 ந室 ⠭   .  ࠢ  -
 ⥫ ⥭   ⮣  -  -
⥫ ,  祬  ࠡ ࠧ    (
  ⮢⥫) ᨫ쭮 ⫨.   ᥬ ⨬ 稭
⠪ 室   ࠢ 砫쭮 樠樨 ࠪ-
᪨  ਬ.
    । ᫥ ⮤ ᪠ ࠢ:
    室 ஢ 騥 殮  ࠢ饬 ய-
  ⠫쭮 ப஫, 㦤 楢-
 १ 祭  ࠢ饬 ய  -
室 ⠪⮢ ᮢ ᫨ ᯮ 譨 ,  ⠪
 奬 ᨭ஭樨 ⥫.  室 ஢ -
  .   ⮣ 몠  ࠧ몠 ⠪ 1  2  -
䥩᭮  ࠧ쥬 ⥫  樫䮬  宦-
 ᨣ "RESET"  ࠢ騩 ய  ⠫
ப஫.  ⢥ ࠢ饣 ய   IDE
AT  ࠢ ᯮ ᥬ⢮ 8751 ஥ 砥 ய-
: 8051, 8751, 8052, 8752, 8053, 8753,   ய-
   ⥬ ,    ⮦ ᯮ 뢮-
    ⫨ ⨯    ணࠬ,   ⢮
७ ⠩஢.
    ᫨   ࠢ騩  ய 室 ⠪⮢ 
( 㦤 楢 १ 祭  ய-
)  奬  ࠡ⠥,   ய  ࠡ뢠
ࠢ ணࠬ  祬  ᢨ⥫      뢮
ALE, /RD, /WR, 祬 ஫஢  室 ࠧ ᫥ -
宦 ᨣ ,  ⨢ 砥   㢨 稥
ᮢ  ᫥⢨ ᠭ ய. ᫨ 楢 -
 祭 ।⢥  ய   㦤-
     뢮 ALE,  ᪮॥ ᥣ -
ࠢ ࠢ騩 ய ⥫.   ᫥ 뢠
⠪ ய,  室 ᯮ짮 쭮 ⠭樥
 ⠦ 奬   PLCC   ࠩ  砥  -
⭮  १  奬 १  ⮣ ⮡  뫮  -
짮  ୮ ⨪.    ࠢ饣  -
ய ⥫ 室     訢-
 ( யணࠬ)   室  ய  
⠪-   யணࠬ   ,  ᫨ 筮  ⭮
 㣠  யணࠬ ᮢ⨬.
    ᫨ 楢  १  ய  㦤  -
   뢮 ALE,  /RD, /WR,  ᪮॥ ᥣ 诨-
 ⥫  頥.   ⠪ 樨 祭  -
⥫  室  ⮢  稭 ⮣,    -
  ࠢ騥  ணࠬ   ᪠  ᫥⢨ ࠢ 
ମ    ⥭.  ᮡ      
⥫  ᮫ ⥫.  ஢ન ମ -
室 ᯮ짮 ࠢ ⮩  筮 ⥫,
室 ⮫쪮  뢠  ᮢ⨬ 訢 ய-
  ࠡ ணࠬ ࠭  ⭮ ᪥.
    ᫨    뢮 ய ALE, /WR,
/RD,   ࠧ襭   诨쭮 ⥫  , 
᪮॥  ᥣ ய   ७ 奬  
 ᨣ ࠢ  ⮢.   ਭ樯쭮 -
      ⬠ ࠡ ⥫ ஢ ७
ᨣ ⮢   ᫥騬 ࠧ. 室  -
⠪  1   2 䥩᭮ ࠧ쥬 ⥫  ६ - 
஢ ᨣ /RESET,  ࠢ ᪨ ஢    뢮
ࠢ饣  ய  ⠫쭮 ப஫ 
᪨ ஢ﬨ 묨  筮,  ࠡ祣 .  -
 ᮮ⢥⢨   । ࠢ.
    ᫨ ⥫ 室  뢠 㦥 ଠ樨,  
祬  㡥  ࠪ୮ 砭 ࠡ ⥬ -
஢,   ᪮॥ ᥣ ࠢ  易    砫쭮
樠樥.
     ᯮ짮  "PC-3000AT"   ﭨ ⥫
㤮   ᢥ⮤ ॣ ﭨ  -
   ᫨     IDE AT   -
.   ஢ ⥫  ண  室 砫-
 樠,  ࠬ    .  ஢ન
砫쭮 樠樨  ᯮ짮  ""  ०
஢ન ஫.  ⮩  ந  
,  樠  ४஢.  믮  -
   ॣ஬ ﭨ .

    2.5.2 ࠢ 奬 ࠢ 诨 ⥫.

    ⮤ ᪠ ࠢ 奬  ࠢ  诨
⥫  ஡  ᬮ୥  [1].  ﬨ ᪠ 诨-
쭮 ⥫ :  饥 殮  奬 -
ࠢ,  ୠ  ⠪⮢   ᨣ ࠧ襭  .
᫨   ᫮ 믮,  诨 ⥫  -
   ࠢ  奬 ࠢ,   诨
⥫. ᯮᮡ 诨쭮 ⥫  ஢
ᯮ ࠢ  ࠢ. ஫஢  ⠪-
   ᨣ ࠧ襭    室  ࠧ  ᫥
祭  ⠭  祭 2 - 4 ᥪ.   易  ⥬,   
 ॣ࠭ ⮪  诨쭮  ⥫,  奬
ࠢ ⪫砥,  ᫨  祭 ᪮쪨 ᥪ㭤  -
    ࠢ騩 ய.
     ⥫        ⠭-
.  ந室   ᥣ - ⮣,   ࠢ騩 -
ய  ᫥ ᪮ 饭  ᪮ ⮤
७ ਮ ᫥ ᮢ ,  ᫨  ।-
  ஬⮪  ६ ᪮ 饭  ᪮  -
⨣ 쭮 祭,   ࠢ騩 ய ᭨
ࠧ襭     诨쭮 ⥫  頥 
⠪⮢ .
    쭮 㤭  ᪠  ࠢ 奬 ࠢ 诨-
 ⥫      ⢥ ⭮ 裡 -
  稪  宫  ᯮ  ஥  ࢨ᭠ ଠ
(ST1057A,  ST1102A,  ST1144A,  ST3144A, CP-3000, CP-30104).  ⠪
  诨  ⥫    ᪠   ⠭
- ࠧ襭 ࢨ᭮ ଠ樨, ࠢ ମ 
ࢮ ⥭.

    2.5.3 ࠢ ⥬ 樮஢.

     ࠢ  ⥬ 樮஢   IDE AT 
,  砩 ᡮ (訡 ⥭ 騥  ࠧ
樫), ⠪   ࠡᯮᮡ ⥫ - ⮣,
     㦥 ଠ.
     ஢ન  ⥬  樮஢  室    
"PC-3000AT" 믮 :  ஢ઠ ଠ  砩  ⥭.
  ஢ન  ଠ ஢ ࠡᯮᮡ 奬 ࠢ
樮஢,    砩 ⥭  ஢  ࠢ
堭 樮஢.
       蠣 ⥫   䠧 ࠢ,  -
ࠢ  奬  ࠢ  ࠦ   横᪮ 
訡  樫  横 蠣  ⥫.  ਬ  
ST157A   横 蠣 ⥫ 20 訡   樫-
:  8,9,11,28,29,31,48,49,51  ..  ⠪ ࠢ -
室  ० "஢ઠ ⥫",  PC-3000AT, ᯮ
 蠣 ६饭 [+]  [-] ᯮ樮஢  
  樫   樫䮬  ᨣ 뢠-
   ஫쭮 窥  ⥭ [1].  ᫨  ᨣ  
  樫  ࠧ,    ⠫ ⪨  ᪮॥
ᥣ ࠢ 奬 ࠢ 蠣 ⥫.   -
⨪ ࠢ 室 ⠪ ᯮ짮 ஢ -
᪨ 殮  蠣 ⥫  ᮮ⢥⢨    横-
 [1].
       蠣 ⥫  ⭮-᭮ 䠧  -
ࠢ, ࠢ 奬 ࠢ ࠦ  祭 -
 ⥭   ᪠,    ᫥ 砩
訡  ᫥⢨ ⮣,  ⥬ ன ࠡ⠥ ୮.
     ஢ન ⥬  樮஢    ⭮-᭮
䠧 ࠢ 蠣 ⥫ 室  ० "
"  "PC-3000AT",  ᯮ  [+], [-],
蠣 ६ 樮  樫  樫.   ⮬ -
室 ஫஢ 뢠  ᨣ  ஫쭮
窥   ⥭.   ࠢ ⥬ 樮஢,  
蠣 ⥫ 㤥 ࠢ୮ ,    ࠭  樫-
 㤥  ⪨  ࠧ ᨣ.
    ᫨  믮  [+]    [-]  ᨣ  ⥭
 ࠧ  祭  室騬  ⪨,   -
⥬ 樮஢ ࠢ.  ⮬ 砥 室 㡥
 ࠢ ࢨ᭮ ଠ樨 室饩   ᪠,
஢ ࠡᯮᮡ ࢮ ⥭  奬  ,  奬
ᠣᮢ   .
     ஢ન ࠢ ࢨ᭮ ଠ樨  ᥣ  -
짮 ⮩ ࠢ ⮩  筮 ࠡ祣 -
⥫,   ⮬ ⮬᪨ ஢  堭᪠  
⥬ 樮஢ [1].  ஢ન ࢮ ⥭ -
室 樫䮬 ᪠ ப஫஢ 宦  -
뢠     室 奬 .  ⮤ ஢ન 奬 ,
奬 ᠣᮢ           ⭮
奬 襭  㭪樮 ன.

    2.5.4 ࠢ  ⥭-८ࠧ .

    ࠢ   ⥭-८ࠧ    IDE AT
 ਢ    砩  訡  ⥭,  ⢨
⥭     ࠡᯮᮡ ⥫  ᫥⢨ -
,       㦥 ଠ  ᪠.  
ࠢ  訡 IDNF,  祬  訡 AMNF,  UNC,  CORR
  -  ஦   訡  ᢨ⥫  
⮬,   ८ࠧ  ᪮॥ ᥣ ࠢ  訡
᫥ ᪠   ⥭,  "" 孮   筮
ࠧ襭 ଠ  ஢.
     ஢ન  ⥭-८ࠧ  室 -
   " "  "C-3000AT".  ᫨  -
  ⢮ 訡 ॢ 50,    ࢠ.
  ⨭ १⮢ ஢  訡 室 -
஢  ᮮ⢥⢨   .  室 ⠪  ,
    設⢠    IDE  AT 䨧᪠ ࣠ ᪮
࠭⢠  ᮮ⢥ ᪮  ᫥⢨ ०  ࠭-
樨.  ⮬  訡  ᥬ 孮 १ ।-
 ⢮ 樫஢  - ⢨ ⥭  -
 ⭮ 䨧᪮ 孮.
    ᪠ ࠢ    ⥭  ந    ०
" "  "PC-3000AT".  ⮬ ०  ४-
祭  [],     ⥫   41H  -
Verify  (஢ઠ ଠ ஦),   ⮬ ଠ  -
 訡 ⮡ࠦ  ᢥ⮤ ॣ ﭨ   -
 訡.  ⮬ ० ஢ ࠡᯮᮡ 奬
    ⥭  ,  宦  뢠
  奬 ᥯,   ⮬  짮 -
 ஢ન  ⥭ ⥫ ST506/412 [1].  ஢થ
 ⥭ ᫥ 믮   [],  .. -
। ⥬  ந  ,   IDE AT ந  -
   䨪樨  ᫨   㦥   ந-
  㤥,  ନ 訡 IDNF.
    ᫨   ⥭   室 奬 ᥯
 ४祭  ,   ᪮॥ ᥣ   ⥭  
IDE AT ࠢ. 騬 ⠯  ஢ઠ  ८-
   砥 奬 ᥯    -
⠫ ப஫.
     ࠢ  ८ࠧ  㪠뢠 -
  訡  IDNF   ᥬ 孮  ᥬ 樫ࠬ.  ஢
奬 ᥯ 稭  ७    殮  
⠪⮢   ୮ .   ࠢ ୠ 
  2,7 RLL ⠢ 15 .  室  ० "-
 "  PC-3000AT   " 
 ".     室 㪠  , -
  ᥪ.  室 ⮫쪮 㡥  ࠢ ଠ
 ஢  ⮩ ஦ ( ᥣ  ᤥ    
ࠢ  ࠢ).
    室 ,    ࠬ  饭  
 뢠 ⮤ ஢ન ᥯  ⠫쭮 -
஫.  쭠 ࠬ   ਬ塞 奬 
⬠ ࠡ ⥫ ( ᭮ ⬠ ⥭ ᥪ) 
    筮 ࠡ祣 ⥫.    ஢ન
室 祢  媠 樫,   -
室 ᨭ஭஢  ᮢ  㯠  -
⠫ ப஫.    ⠭  室騥
 ,  㣨 ஢ 室騥 ࠢ騥 ᨣ 
ᨣ .  롨 ⠪, ⮡  ࠭ ⨫-
    ਮ ᮢ .

    2.5.5 ࠢ  , 奬 ।樨 .

    ࠢ  ,   ࠢ ਢ   -
  ந     IDE AT,   ⥭  ⥫
⢫ ଠ쭮.  室 ,    -
⥫ ।⥫쭮 ⠥ ଠ ஦, ࠢ ⠭
 䨪樨    ᫨    ᮢ  ⮫쪮  ⮣
ந ।⢥    ᥪ.
    ᭮ ࠢ    ᫥騥:
    - ⢨ 뢠   稨 ஡ ;
    - ⮪   ⨬ ।;
    - 騥 殮  ⨬ ।.
      ,   ࠢ ନ  WRFT ॣ -
    ﭨ. ஢     ० " -
    " 
"PC-3000AT". 室  ⮬ ० 室 ஫஢ 뢠
 樫䮬  ஫쭮 窥  뢠 [1]. ४
  [] 室 㡥,   뢠 
ᥬ 孮  訡 ⥭  . ᫥ ⮣ 室
ந  ஦  ࠭ .   ࠭ 樫
 ,  室  ந   㣨
.   室 믮  ᥬ .
      ,   ࠭   ,    
८ࠧ        ᫥    :  1,7RLL,
1,8RLL,  2,7RLL,  2,8RLL,  ARLL  . . ਬ塞   
⥫, ⮬   -     ࠧ 
 ࠧ   IDE AT.
    ᫨   뢠,   室 ஢ ࠢ-
騥 ᨣ ନ㥬 ࠢ騬  ய஬    -
⠫ ப஫஬.   ⮣  ० " -
" 室   "   ",  -
 樫,    ᥪ.  ஢ ⢫ 筮
⥭.
    ࠢ 奬  ।樨,    ࠢ  ਢ 
᫥ 訡 ⥭,  騬    樫.
 ,  । 뢠 ﭨ  뢠-
    ⥭ ⠪ ᠭ , ࠢ 
⥭,  訡 [1]. ᫨   IDE AT  訡
⥭   樫,  室   ࠢ -
  ࠢ ⮩  筮 ,   ଠ-
 ମ ࠡ饣 ⥫. ᫨ ᫥ ⮣,  -
  "த"  ⮩ ࠢ 訡   樫 祧-
,   ⭥ ᥣ ࠢ 奬 ।樨.  ᮢ-
  IDE AT ⠫ ப஫,   믮-
 ஢ 뢠 ,  ࠡ뢠 ᨣ EARLY 
LATE (࠭  ), 室  ࠡ 奬 ।-
樨.  ࠢ,  ᨣ ࠡ뢠 ﭭ,  ࠧ-
  ।    ࠢ饣  ய-
  ਡ⥫쭮  । ࠡ祩 孮 [1].  祭
।樨 室 ப஫஢   믮  
࠭ 孮⥩ []  "PC-3000AT"  ० "
".   ,     IDE AT
।  砥  㫥 ,   -
  ﭭ ⭮    ᮢᥬ ⢮.

    2.5.6 襭 㦥 ଠ樨.

    襭 㦥 ଠ樨  ந室    ᭮  -
ࠧ襭  ⭮ ᫮ ࠡ 孮⥩  ᫥⢨ ਬ-
 ⢥  ᪮    ७. ᮡ
᭮     ⥫  ஥ ࢨ᭮ (Embedded) -
ଠ樥 ⠪,  ⠭  ࠪ᪨ . -
  ࢨ᭮  ଠ樨    ⥫  ⤥쭮 孮
(Dedicated) ந室 筮  ।    ६஢  ⠪
   ᪠ ࢨ᭮ ଠ樨.  ,  -
筮 , ࠧ襭 㦥 ଠ樨 (ଠ  ஢-
,  ࠡ ணࠬ,  ᯮ ᪠, ⠡ 䥪 ᥪ஢)
ந室  ४⭮ ଠ஢  ஢   IDE
AT    ப ࠭ ⮢ DISC MANAGER,  SPEED
STOR,  HEKIT,  ADM  ..   ⮬,   ⥫ ST506/412
ଠ஢  ஢  易⥫쭮 楤ன -
⮢   ࠡ  ⢫    50
(ଠ஢  ஦).    50  ᯮ  楤
ଠ஢ ᫥ ணࠬ.     IDE  AT,
稢訥      १   쥤  "襣"  
ST506/412 c "訬" ஫஬  (ਬ  ST157A  =  ST157R  +
ST21R)  ⠪ ᯮ짮  50  ଠ஢   -
  ᭮ ⠢  䥩 IDE .  -  ࠧ饭
㦥 ଠ樨    ଠ  ० ࠭樨 -
 ⮢⥫   ⥫  ४⭮ -
஢.   IDE T , ਬ  ⥫
 Seagate,   । ᪨ ࠬ஢, -
 ⠭ ଠ  ஢   짮-
⥫,    50H,    㦥 -
樨.  設⢮  ᮢ६ IDE  ⥫ ଠ
᫥ ॢ   孮᪨ ०      ᯥ樠
    䥩 ⥫   ᯥ樠 -
᪨ ࠧ쥬.   筮  ० ࠡ ⥫ 
50  ,      .  鸞 -
⥫, ਬ  Conner, FUJITSU, KALOK  ⪥ -
஢      50  ⠭   
ᥪࠬ  㦥 ଠ樥   ࠧ蠥,  ਢ 
ࠡᯮᮡ ⥫.
     ࠧ   㦥 ଠ ண  -
쭠,    ⮣      ⫨    ⮩- 
.
      㦥 ଠ樨 ࠪ᪨    IDE
AT ⠭  ࠡᯮᮡ묨,    ஭  堭
⠪  ࠢ.

    2.6 ⠭ 㦥 ଠ樨.

     ⠭  㦥 ଠ樨 ⥫ IDE AT -
室 稥 ᯥ樠쭮 㤮  ணࠬ ᯥ-
.
    ⠭ ࢨ ଠ  ⥫    ᮫
ਢ  ,   ᫮ ࢨ , ࠪ᪨
 ..  뢠    -⮢⥫  -
।⢥      ᪨   ᮡ࠭ ମ  
ᯥ樠 樧 ⠭ SERVOWRITERS.   ࢨ-
 ଠ樨 ᯮ ᯥ樠쭮 孮᪮   -
 ⥫.   ࠢ SERVOWRITERS  ࢨ  -
ଠ  ⮫쪮     ⥫.    ਡ
ᯮ 筠 堭,   ⥫ ﭨ -
饭  ..
     ⠭ ଠ    ஢,  ࠡ  ணࠬ,
ᯮ  ᪠  ⠡ ᡮ ᥪ஢  ࠢ ᯮ
孮᪨ ० ࠡ ⥫  祭 ண -
  㯭  ᪮ ࠭⢮ ⥫.  祭
孮᪮ ०  ࠧ    ⥫  ࠧ筮  
ந室     䥩,     ᯥ樠-
 孮᪮ ࠧ쥬.     ⥫  祭
孮᪮  ० ந室  ⠭   ᯥ-
쭮    ᭮. ᫥ 祭 孮᪮ -
  ࠡ  ⥫ ⠭ 㯭 ᯥ樠  -
     ⢫    ⠭
㦥  ଠ樨.  ஬  ⮣  孮᪮ ० ࠡ
  ⥫  ⢫    -
⨪, ਬ  ஢થ 孮 (Media analys) -
⥫ 㦠 ᢮  ⥪஢ [1]      ⢥
஢  孮⥩.
     "-3000"    ⠭  ଠ  
஢  讥 ⢮  ⥫ IDE AT,   ࠪ-
᪨   ஢  Seagate  Tehnology,  ᥬ⢮
⥫ Caviar  Pirany  Western Digital  ..   -
⠭ 㦥 ଠ樨  ⨪ ⥫   孮-
᪮  ० ⥫쭮   "-3000" ।
 ஢  ⨫.  ਬ  "-KALOK"  ࠡ騩  
஬ "-3000"  ⠭ 㦥 ଠ
(ଠ  ஢, ࠡ稥 ணࠬ, ⠡ 䥪 ᥪ-
஢),  뢠 䥪 ᥪ  ⥫  KALOK,  XEBEC.
 "-CONNER" ⢫  ⠭  ⥫
 Conner.  "PC-WD9X"  ⢫  -
⠭ ⥫ ᥬ⢠ WD93044A  Western Digital.

    2.7 ⨬  ࠢ  ମ  IDE AT.

    ७ யணࠬ ⥫ ࠭     ண-
ࠬ  ࠢ饣 ய ᭮   㦥-
 ଠ樥 ࠭饩   ࠡ  孮  .  
யணࠬ  砥 ஬   ய -
⥫,    㦥 ଠ樨  砥  ஬  
⨪⪥ ਪ  ମ, 祬    Seagate -
   த㡫஢  ᯮ ᪠.
        -  ࠧ ᨩ ᪠  ᮡ-
 ண ᮮ⢥⢨  訢   ᨨ -
 ணࠬ ᠭ  ମ.   뢠 ⠪,   
ᮢ襭  ⥫   ⮩- ,    ࠧ
ᨩ  ᪠,   ᮢ襭 ࠡ騬,   ⠭
 ᮡ  ࠢ ⠭  ࠡᯮᮡ묨  
ࠡ⠥  ன .  ⮬ ४ 뢠  -
訢 ய    ମ  ᯮ ᪠ 
ࠡ饣  IDE AT ⥫.   ଠ 祭 ਣ
 ६ ᪮쪨 ⥫  ,  ⮤ -
⠭     뢠 - ॡ஬.
     "PC-3000AT"  믮 ᭮   ନ
⮪ ஢,  ஬ 室   ଠ  -
⥫,  室 ⮫쪮   訢 ய 
  ମ  ࠭ ⨭.   ⮪ -
஢ 室    ६஢  ஢-
,  ⮬   ६  ஢ન 孮 
 ,    90%  ࠭⨥ ࠢ,    ਭ樯
ਥ.    ⠡ 7  8 ਢ  ᮮ⢥ -
   ࠢ  ⥫ ST157A  ST351A/X.

                                                    7.
        _________________________________________________
                   訢 ய࠳
        ମĳ
                    506     508     516     528    
        ĳĳĳĳĳ
        3.4-13-A1    +       +       ?       +     
        ĳĳĳĳĳ
        4.1-14-A1    +       +       ?       +     
        
        ⢥⢨ ମ   ࠢ  ST157A


                                                    8.
      _________________________________________________________
                   訢 ய      
      ମĳ
                  503     512     513     523     533   
      ĳĳĳĳĳĳ
      02/1.05      ?       +       -       -       ?    
      ĳĳĳĳĳĳ
      03/2.05      -       ?       +       +       +    
      ĳĳĳĳĳĳ
      03/2.03      -       ?       +       +       ?    
      ĳĳĳĳĳĳ
      03/2.02      +       ?       +       +       ?    
      
       ⢥⢨ ମ   ࠢ  ST351A/X

        - ମ   ࠢ ᮢ⨬;
        + ମ   ࠢ ᮢ⨬;
        ? ᢥ .


     ⥫ ᥬ⢠ WD9XXXXA ⨯ ᯮ㥬  奬
    ⮡ࠦ     ࠧ-
 :

         - 32R510A-4CP;
      M,C - 32R117A-4CP.



    .

1. .஧, .⥫ "⨪  ६  ⨯ ",
   .:  "  ", 1993.

2. ..稭, ..㪨 "᪮ ⥬ IBM-ᮢ⨬
   ᮭ ஢", .:  "", 1993.

3. .. 娭 " ISA ᮮ쭮  IBM PC/AT",
   .:  "", 1992.

4. .. ५ "IBM PC ᪮ ⥬", .:  "  ", 1992.

