IDE 하드디스크의 19 가지 동작모드        
 
        
 
        
 
        
 
PIO Mode Max Rate [MBps] Defining Standard
Mode 0 3.3 ATA
Mode 1 5.2 ATA
Mode 2 8.3 ATA
Mode 3 11.1 ATA-2
Mode 4 16.6 ATA-2
Mode 5 22.2 None
        
 

 

        

 

        
        
 
         
 

 

 

DMA Mode Max Rate [MBps] Defining Standard
Single Word Mode 0 2.1 ATA
Single Word Mode 1 4.2 ATA
Single Word Mode 2 8.3 ATA
Multiword Mode 0 4.2 ATA
Multiword Mode 1 13.3 ATA-2
Multiword Mode 2 16.7 ATA-2
        
 

 

        

 

        
         
 

 

        

 

 

Ultra DMA Mode Max Rate [MBps] Defining Standard
Mode 0 16.7 ATA/ATAPI-4
Mode 1 25 ATA/ATAPI-4
Mode 2 33.3 ATA/ATAPI-4
Mode 3 44.4 ATA/ATAPI-5
Mode 4 66.7 ATA/ATAPI-5
Mode 5 100 ATA/ATAPI-6
Mode 6 133 ATA/ATAPI-7 [proposed only]
        
 

 

        

 

        
        
 
        
 
        
 
        
 
Summary :        
 
        
 

 

 

Standard Speed [MBps] PIO modes DMA modes uDMA modes ANSI Standard ATAPI support
ATA 3.3-8.3 0,1,2 Single word 0,1,2        
 
Multiword 0		 N/A Yes No
ATA-2 11.-16.7 3,4 Multiword 1,2 N/A Yes No
ATA-3 11-16.7 ALL ALL N/A Yes No
ATA-4 16.7-33.3 ALL ALL 0,1,2 Yes Yes
ATA-5 44.6-66.7 ALL ALL 3,4 Yes Yes
ATA-6 100 ALL ALL 5 Yes Yes
ATA-7 133 ALL ALL

6        

 

 
No Yes
Serial