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Toshiba Corporation Digital Media Network Company
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• WRITE MULTIPLE
• WRITE MULTIPLE EXT
• WRITE SECTOR(S) (with and without retry)
• WRITE SECTOR(S) EXT
• WRITE VERIFY
• SECURITY DISABLE PASSWORD
• SECURITY ERASE UNIT
• SECURITY SET PASSWORD
• SECURITY UNLOCK
• SET MAX SET PASSWORD
• SMART Write Log Sector
• DOWNLOAD MICROCODE
PIO data out protocol:
a) The host writes any required command parameters to the Features, Sector Count, Sector Number, Cylinder
High, Cylinder Low and Device/Head registers.
b) The host writes the command code to the Command register.
c) The drive sets the BSY bit .
d) For each sector (or block) of data to be transferred:
1) When the drive is ready to receive a sector (or block) of data from the host, it sets the DRQ bit and clears
the BSY bit.
2) The host writes a sector (or block) of data via the Data Register.
3) After receiving the sector (or block) , the drive clears the DRQ bit and sets the BSY bit.
4) When the drive has finished processing the sector (or block) , it sets the DRQ bit and clears the BSY bit
and asserts INTRQ.
5) After detecting INTRQ, the host reads the Status register.
6) The drive negates INTRQ in response to the Status register being read.
The drive negates INTRQ in response to the Status register being read.