Fujitsu MHY2120BH User Manual

C141-E262 

6-15 

(3)  Invalidating caching-target data 

Data that is a target of caching on the data buffer is invalidated under the 
following conditions: 

1)-1 Any command other than the following commands is issued. (All caching-

target data is invalidated.) 

READ BUFFER 

WRITE BUFFER 

RECALIBRATE 

FORMAT TRACK 

SET FEATURES 

SECURITY ERASE UNIT 

DEVICE CONFIGURATION 

DOWNLOAD MICROCODE 

WRITE UNCORRECTABLE EXT 

READ LOG (DMA) EXT 

WRITE LOG (DMA) EXT 

UNSUPPORT COMMAND (INVALID COMMAND) 

1)-2 Commands that partially invalidate caching data 

READ DMA/READ MULTIPLE/READ SECTOR(S) 

READ DMA EXT/READ MULTIPLE EXT/READ SECTOR(S) EXT 

READ FP DMA QUEUED 

WRITE DMA/WRITE MULTIPLE/WRITE SECTOR(S) 

WRITE DMA EXT/WRITE MULTIPLE EXT/WRITE SECTOR(S) EXT 

WRITE DMA FUA EXT/WRITE MULTIPLE FUA EXT 

WRITE FP DMA QUEUED 

SMART 

2)  A COMRESET is issued or the power is turned off. 

3)  When HOST CRC ERROR has occurred.