Toshiba MK1032GAX Manual De Usuario

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  Toshiba Corporation Digital Media Network Company 
 
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11.8.28  Read Buffer  (E4h) 
 
COMMAND CODE 
1 1 1 0 0 1 0 0
REGISTER 
 
REGISTER SETTING 
NORMAL COMPLETION 
DR 
drive no. 
no change 
CY  
no 
change 
HD  
no 
change 
SN  
no 
change 
SC  
00H 
FT  
no 
change 
 
 
This command transfers a specified sector of data ( 512 bytes) from the 128kB buffer in the drive to the host.   
When this command is issued, the drive sets BSY, sets up the buffer for read operation, sets DRQ, resets 
BSY, and generates an interrupt. The host reads up to 512 bytes of data from the buffer. 
11.8.29  Write Buffer  (E8h) 
 
COMMAND CODE 
1 1 1 0 1 0 0 0
REGISTER 
 
REGISTER SETTING 
NORMAL COMPLETION 
DR 
drive no. 
no change 
CY  
no 
change 
HD  
no 
change 
SN  
no 
change 
SC  
00H 
FT  
no 
change 
 
 
This command transfers a sector of data from the host to the specified 512 bytes of 128kB buffer of the 
drive .    When this command is issued, the drive will set up the buffer for write operation, and set DRQ. The 
host may then write up to 512 bytes of data to the buffer.