Contents

 

(46) SET MAX ADDRESS EXT (X’37’): Option

 

 

(customizing)

5-117

 

(47) WRITE MULTIPLE EXT (X’39’): Option (customizing)

5-119

 

(48) WRITE LOG EXT (X’3F’) [Optional command

 

 

(Customize)]

5-120

 

(49) READ VERIFY SECTOR (S) EXT (X’42): Option

 

 

(customizing)

5-122

 

(50) FLUSH CACHE EXT (X’EA’): Option (customizing)

5-123

5.3.3

Error posting

5-124

5.4 Command Protocol

5-126

5.4.1

PIO Data transferring commands from device to host

5-126

5.4.2

PIO Data transferring commands from host to device

5-129

5.4.3

Commands without data transfer

5-131

5.4.4 Other commands

5-132

5.4.5 DMA data transfer commands

5-132

5.5 Ultra DMA Feature Set

5-134

5.5.1 Overview

5-134

5.5.2

Phases of operation

5-135

5.5.3 Ultra DMA data in commands

5-135

 

5.5.3.1

Initiating an Ultra DMA data in burst

5-135

 

5.5.3.2

The data in transfer

5-136

 

5.5.3.3

Pausing an Ultra DMA data in burst

5-136

 

5.5.3.4

Terminating an Ultra DMA data in burst

5-137

5.5.4 Ultra DMA data out commands

5-140

 

5.5.4.1

Initiating an Ultra DMA data out burst

5-140

 

5.5.4.2

The data out transfer

5-141

 

5.5.4.3

Pausing an Ultra DMA data out burst

5-141

 

5.5.4.4

Terminating an Ultra DMA data out burst

5-142

5.5.5 Ultra DMA CRC rules

5-144

5.5.6

Series termination required for Ultra DMA

5-145

5.6 Timing

5-146

5.6.1

PIO data transfer

5-146

5.6.2

Multiword data transfer

5-147

5.6.3

Ultra DMA data transfer

5-148

C141-E202-01EN

xiii

Page 17
Image 17
Fujitsu MHU2100AT manual 120