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[ 2004-11-12 08:55:23 ]  ×÷?????ò??  ????±à????chenyong

???? ??????DMA?????ó????????????°?????????PATA??????DMA33??DMA66??DMA100??DMA133??×?????SATA-150????????????°??????????ó?à????????????PATA????????????????????DMA?????à±????°??PIO?????????????????ì2~8±???DMA??????????????????????????????????×÷???????°?????à?????é?????????ò??DMA?????????????????????à??????
??????±???·????????????°?????±????Windows 2000??XP??2003???????±?á×?????±???????DMA??????×???????PIO???????????????ì????????????????????????????????????????×??÷???????ó?????????????????÷??±???????°?????????Windows XP?????????±??????×ó?ò????????????×??à×?2??4??????????????????????????·??ú?±?????á×?5??8???ò?ü?à?????????????????±??????????×÷?±?÷??????±????????????????ó???í???±CPU???????±??????100%???ú?ú?????????????ó??3D???·?±?¨±??????··???6???????±???÷???????¨???à?????±??????×????????¨???????±???????????????????ê?°?????¨?????????·?????????????????????????????ê???ò??GF???¨?????????ü?????????????????????????±?ó??×???????×?????????DMA??????????±?Windows ????×?????±??????é??×???????????·??ò??DMA??????

????1. ???÷?°???í?¤???±?????ó???÷?°?????ú???í?±??

????2. ???÷?°?????¤???±?????ó???÷?°?è±????í?÷?±??

????3. ?????°IDE ATA/ATAPI ?????÷?±??????

????4. ???÷?ú???°?÷??IDE?????÷?±??

????5. ???÷?°?????è???±??

?????????°?è±?0?±???????????????????è???°DMA?¨?????????±?????????°?±?°?????????±?????????°Ultra DMA Mode *?¨*????×???DMA33??2??DMA66??4??DMA100??5??DMA133??6???±?????????????????????????????°??×????è?????°Ultra DMA Mode 6?±?????????????????????°Ultra DMA Mode 4?±?ò?°Ultra DMA Mode 2?±?ü?ò?????°PIO ?????±??????????????????????????×?????±???DMA????????

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?????????????????????????????ú?ú??????Windows 2000/XP/2003???????ù?????è?¨?? Windows IDE/ATAPI ???????????ò (Atapi.sys) ????????×???6?????±?ò???·???à?ì?é (CRC) ?í?ó?ó?????????ò??°??¨???????¨????????????×??ì???±??????·??? (DMA) ????·????è?????????? DMA ?????????????????ò???????????±?ò CRC ?í?ó???ò???????ò×?????°?????????????×??????????¨PIO ???????? ????????????????°????????????????????????á?????±?ò???·???à?ì?é (CRC) ?í?ó???????±?????????????????????????¨???????????????????????ú?ó???????×?ì?????±?ò???·???à?ì?é (CRC) ?í?ó???ò???????è?¨?????±????4?????±?????ò ATA ????·??????????ó?±?????????????±?????? 4 ???????±???±???á?ú?ú???±?ò???·???à?ì?é (CRC) ?í?ó?????ò?????????????¨?????????????±??????????×?×????????????????ú?±?????????????????????????????????????×?ì???ó??·??????????±?????? 4 ???????±?????????????±?????????????ú????6???ó???????á°??¨???????¨????????????×??ì???±??????·??? (DMA) ????·????è?????????? DMA ??????????????6???????ò???????ò×?????°?????????????×??????????¨PIO ??????????????Windows ????????±????????ò??

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?????????????°?ì???è±?????????????DMA?ò?ü?ìDMA????????????????????????×÷??
????1. ???÷?°???í?¤???±?????ó???÷?°?????ú???í?±??
????2. ???÷?°?????¤???±?????ó???÷?°?è±????í?÷?±??
????3. ?????°IDE ATA/ATAPI ?????÷?±??????
????4. ???÷?ú?????????????? DMA ???????????????÷??
????5. ???÷?°???????ò?±?????¨??
????6. ???÷?°?????±??
?????±???????ê???ó???????????ú???????ú???± Windows ?????????ó?????????????????????÷?????±?????????÷?à?????????è±???????????????????????????
???? ?????ù????°??????è±??????????????????????????±???????????????????±???????á×?????±?DMA???????ù??????????×???????×÷??
????1. ???÷?°?????±?????÷?°?????±???ü?? Regedit?????ó???÷?°?·?¨?±??
????2. ??×??á±í???????????÷????????
????HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E96A-E325-11CE-BFC1-08002BE10318}001
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HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E96A-E325-11CE-BFC1-08002BE10318}002

????3. ???°±à???±???????????ò?°???¨?±?????ó???÷?°DWORD ???±??
????4. ?ü?? ResetErrorCountersOnSuccess?????ó°? Enter ?ü??
????5. ???°±à???±???????????÷?°?????±??
????6. ?ü?? l?????ó???÷?°?·?¨?±??
????7. °??????????è??×÷?????ó????×??á±í±à???÷??

????×?????????×??á±í×??ó?????°{4D36E96A-E325-11CE-BFC1-08002BE10318}?±???????????°0001?±±à????×????????????¨???????? IDE ?????÷???????ú???÷?? IDE ?¨???????? IDE ?¨?????????ú???????ú?????? IDE ?????÷???ò?????????????÷???÷?? IDE ?¨???????? IDE ?¨????????±à????×???·?±??????°0001??0002??0003??0004??0005??0006?????±??

???????ì?é??·??????????·??×????????ì?é×????? DriverDesc ????°ü??×?·??????°?÷?? IDE ?¨???±??????°ü??×?·??????°???? IDE ?¨???±??

?????¨??????×??á±í?ü????????????

??????Windows???????????ò ATA ????·??????????ó?±?? 4 ???????±???ü???? 10 ??????????????????????????±??¨????????·??ú???±?í?ó?? CRC ?í?ó?±?????????????¨?????ì?? DMA ???????????? DMA ??????×??????? PIO ???????????°???é???????????±????·??ú?????±?í?ó?ò CRC ?í?ó??×??????? 6 ???±??IDE/ATAPI ???????????ò (Atapi.sys) ?????????????????±?????¨??????×??á±í?ü???????????????ó??Atapi.sys ????????·??ú 6 ?????±?í?ó?ò CRC ?í?ó?ó????????????????

?????????????????????ó???ó?ó?????????????ò??±?DMA???????????ú?á??????????????°???????????????????????????DMA?????????????????á·??ú???????????????????é??????