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Host Interface
4-24 C156-E224-01EN
Each field value of Block Descriptor is valid only when accessible media is
inserted. If accessible media is not inserted, 0 is returned.
Table 4.36 shows the format of the Mode Page field.
Table 4.36 Mode Page
Bit
Byte
76543210
0 PS 0 Page Code
1 Page Length (n-1)
2-n Mode Parameters
If PS is 1, page data can be saved to flash ROM.
4.3.6 START/STOP UNIT command
Table 4.37 START/STOP UNIT command
Bit
Byte
76543210
0 Operation Code (1Bh)
1LUN Reserved
IMMED
2-3 Reserved
4ReservedLoEjStart
5 Reserved
The START/STOP UNIT command ejects media or starts or stops rotating the
disk.
If the Immediate (IMMED) bit is 1, command completion is reported before
processing is completed.
Table 4.38 lists the types of processing performed depending on the values
specified for LoEj and Start.
Table 4.38 Start, stop, and eject processing
LoE
j
Start Processing
0 0 Stops disk rotation.
0 1 Starts disk rotation and checks the type of media format.
1 0 Ejects media, if possible.
1 1 Ends with an error (ILLEGAL REQUEST).