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Table 4.104 START/STOP/EJECT processing
LoEj Start Processing
0 0 Stops disk rotation.
0 1 Starts disk rotation and checks the format type of media.
1 0 Ejects media if possible.
1 1 Ends abnormally (ILLEGAL REQUEST).
4.6.19 SYNCHRONIZE CACHE command
Table 4.105 SYNCHRONIZE CACHE command
Bit
Byte
76543210
0 Operation Code (35h)
1 Logical Unit Number Reserved IMMED
Reserved
2-5 Logical Block Address
6 Reserved
7-8 Number of Blocks
9-11 Reserved
The SYNCHRONIZE CACHE command writes cache memory data not written yet in the data
buffer to media.
The IMMED (Immediate) bit is not supported. When the IMMED bit is 1, the command responds
with Check Condition.
The command writes all data not written yet in the cache memory of the data buffer to media,
regardless of the value set in Logical Block Address and Number of Blocks. The command does
not check the value of Logical Block Address and Number of Blocks.