	SPD TOOL (Version 1.2)

    ணࠬ ।祭  祭   ଠ樨, 
ந⥫ DIMM 뢠   SPD (Serial Presence Detect). 
㧭 ६ ࠪ⨪  (᪮), ࣠ ,
ந⥫,  ⮢  ⠪ 㣨 ⠫, 騥 ࠧ
ᯥ⮢ 樨  DIMM.  饬 쬠 ଠ⨢  
㠫쭮 ஫. :)

      짮:

  - PC SDRAM Serial Presence Detect (SPD) Specification REVISION 1.2b
    (ᯥ䨪 PC133 SPD  Intel')
  - PC133 SDRAM Unbuffered DIMM Specification REVISION 0.4
    (ᯥ䨪 PC133 SPD  VIA)
  - JEDEC JESD 21-C Section 4.1 - Serial Presence Detect Standard
    (ᠬ  㬥 - ᯥ䨪 SPD JEDEC  FPM/EDO/SDRAM/MXROM/VCSDRAM)
  - (JEDEC Preliminary DDR SDRAM Module SPD Definitions);
    (ᯥ䨪 SPD JEDEC  DDR)
  - Standard Manufacturer_s Identification Code JEP-106G
    (ᯨ᮪ ந⥫  ⢥ 418 )

    ⠪,  㬥 ணࠬ:
    : SPD_Tool <command> [DIMM number | filename] [arguments...]

	!!!
	稭  ᨨ 1.2 諮  冷 ᫥ 㬥⮢
  ப - ࠭ 襫  ,  ⥬ , ⥯ !

᫨  㪠뢠   [DIMM number]  뤠 ଠ 
ᥬ 騬  (㬮砭 0-3).    
㪠  䠩,  ⮣  ᮤন  ஠஢ 筮
.

:
  all:	뢠   SPD, ।ᬮ७ JEDEC   ⨯ ;
  dump: 뢮    ( 㪠 ⢮  <=256);
  inf:	 ᭮ ଠ  㫥;
  mft:	 ᯨ᮪  ந⥫;
  help: .
  save:  ᮤন EEPROM SPD  䠩.

     ᪮쪮 ᮢ⮢.  ଥ   ࠢ   
ࠢ쭮  , ᮡ  ᠥ ந⥫,  
ᯥ  .    () ந⥫ 
⮫쪮 ᭮ , ⢥⢥  । BIOS' ࣠樨 ,
   3,4,5,6,7,13,17.  ⠫쭮  ࠢ undefined.
      㫨,  ᮤঠ騥  ଠ樨   
  ⠭ EEPROM SPD - ⠪ 㫨 筮  PC-66.
᪮ SPD ⠫ ⠢   ࠧ    ᪠,  設⢮
ᮢ  ४⭮ । ࣠ ⠪   ᭮ 筮
᫮ ⬠ (  ᠥ ३  Intel  Phoenix BIOS -  ᥡ
 㦤  㫨  SPD ⠬  ࠡ).
      ந⢠ ⭮ ᪥᪨, ᬮ  騩
⠭    ⮬    ⭮. ⨬,   BCD  BIN
⫨ ᫮, (1999=99  BCD  1999=63  BIN,      BIN, 
  BCD -  ,   ᭮,  ணࠬ ⥬  :) ஬
⮣, ⥫쭮 ⮡  設 﫠 ࠢ쭠 , ..  砥
㦥  ⮢,  ⥪饩, 㤥 뢮 ⭠-
筮 祭 ⮣   .
    ६ ࠪ⨪ ᠭ  SPD ࠭ ࠡ  
  ⠩,   砥     㤥 ࠡ ॥
(ࠧ).       㪠. ਬ: LG PC-66  
४᭮ ࠡ⠫  100MHZ  CL=2   133  CL=3.

    ⭮⥫쭮  PC133!  ᨫ 鸞 稭, Intel  ᢮ ६
⪠  PC133,    殢 ࠢ থ⢮.
 १ ⠭ 諨 ।,   稫   SPD "Intel Specifi-
cation for frequency", ஥   PC133 㤥 ᮮ⢥⢮ PC100.
  ,  ᤥ " ᮢ⨬"  묨 ﬨ.  -
।  PC133? ⥫ ⢥ত ᫥饥:

Byte  Description			      Value
----  --------------------------------------  --------------------------
  9   SDRAM cycle time for highest CL (Tclk)  Tclk = 10ns for 100MHz CL3
					      Tclk = 7.5ns for 133MHz CL3
 10   SDRAM access time from clock for	      Tac = 6ns for 100MHz CL3
      highest CL (Tac)			      Tac = 5.4ns for 133MHz CL3
 30   Minimum RAS pulse width (Tras)	      45ns for 133MHz
					      50ns for 100MHz
					      (value may be vendor dependent)
 32   Command and Address signal input	      2.0ns for 100MHz
      setup time			      1.5ns for 133MHz
 33   Command and Address signal input	      1.0ns for 100MHz
      hold time 			      0.8ns for 133MHz
 34   Data signal input setup time	      2.0ns for 100MHz
					      1.5ns for 133MHz
 35   Data signal input hold time	      1.0ns for 100MHz
					      0.8ns for 133MHz
    室   ॡ 뫮 ᤥ । ⫨  PC133 
PC100 ( Type  ࠧ inf).  ࠧ, ᫨ Tclk<=7.5ns -   㦥
த   PC133,  ᫨ ⠫ ॡ  ᮡ,  ⠪
  ࠢ ।  PC-100.

    PS: ணࠬ ࠡ⠥  PIIX4 + SMBUS (TX,LX,EX,BX,ZX,MX); ICH(0-3/M);
VIA 586/596/686/8231/8233 southbridge; ALI 1533/1543.  ஡ 
ﬨ ASUS, Intel CC820, Acorp VIA (IMHO ਢ ந⥫). 
ࠡᯮᮡ  MB ASUS , ஡  ᯥ樠쭮 ஢
SMB 設  .
     SIS  AMD  믠   ७. ᫨   ,
  ஡  ணࠬ, . ᫨  訡, pls 뫠
dump    ᠭ.
    PPS: 祬 ᮢ᪮ ਫ?    ⠢  , -
஢ ! :)    Win9x ணࠬ ࠡ⠥.  , 㤠  
롮 !

    ᫥  spd_tool  :
ftp://ftp.simtel.net/pub/simtelnet/msdos/memutil/spd_tool.zip

	਩ ⠢楢.  email: dp@abis.odessa.ua
				   dp@te.net.ua

