Toshiba MK6017MAP User Manual Page 72

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Copyright ©2000 Toshiba corporation. All rights reserved.
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10.8.21 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.
10.8.22 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.
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