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Contents
C141-E217 xiii
(44) SET MAX ADDRESS EXT (X’37’): Option
(customizing)...........................................................................5-118
(45) WRITE MULTIPLE EXT (X’39’): Option (customizing)........5-120
(46) WRITE DMA FUA EXT (X’3D’): Option (customizing) ........5-121
(47) WRITE LOG EXT (X’3F’) [Optional command
(Customize)]............................................................................5-122
(48) READ VERIFY SECTOR(S) EXT (X’42): Option
(customizing)...........................................................................5-124
(49) WRITE MULTIPLE FUA EXT (X’CE’): Option
(customizing)...........................................................................5-125
(50) FLUSH CACHE EXT (X’EA’): Option
(customizing)............................................................................5-126
5.3.3 Error posting.................................................................................... 5-127
5.4 Command Protocol .................................................................................... 5-129
5.4.1 PIO Data transferring commands from device to host ...................... 5-129
5.4.2 PIO Data transferring commands from host to device ...................... 5-132
5.4.3 Commands without data transfer...................................................... 5-134
5.4.4 Other commands.............................................................................. 5-135
5.4.5 DMA data transfer commands ......................................................... 5-135
5.5 Ultra DMA Feature Set .............................................................................. 5-137
5.5.1 Overview......................................................................................... 5-137
5.5.2 Phases of operation.......................................................................... 5-138
5.5.3 Ultra DMA data in commands ......................................................... 5-138
5.5.3.1 Initiating an Ultra DMA data in burst.................................... 5-138
5.5.3.2 The data in transfer............................................................... 5-139
5.5.3.3 Pausing an Ultra DMA data in burst ..................................... 5-139
5.5.3.4 Terminating an Ultra DMA data in burst............................... 5-140
5.5.4 Ultra DMA data out commands ....................................................... 5-143
5.5.4.1 Initiating an Ultra DMA data out burst.................................. 5-143
5.5.4.2 The data out transfer............................................................. 5-144
5.5.4.3 Pausing an Ultra DMA data out burst.................................... 5-144
5.5.4.4 Terminating an Ultra DMA data out burst............................. 5-145
5.5.5 Ultra DMA CRC rules..................................................................... 5-147
5.5.6 Series termination required for Ultra DMA...................................... 5-148
5.6 Timing....................................................................................................... 5-149