
Chapter 3 Media Changer Commands
Mode Sense (6) / (10) Command (1Ah/ 5Ah)
74 Quantum ATL SuperLoader Software Interface Guide
Mode Sense (6) / (10) Command (1Ah/ 5Ah) 3
The MODE SENSE command allows the media changer to report
its current or changeable configuration parameters to the host. It is
a complementary command to MODE SELECT.
The command descriptor block for the 6-byte MODE SENSE (1Ah)
is shown below. An illustration of the command descriptor block
for the 10-byte MODE SENSE (5Ah) follows on the next page.
Figure 39 Mode
Sense (6) Command
Descriptor Block
The MODE SENSE (10) command returns descriptor data in a
different format than MODE SENSE (6).
Bit
Byte76543210
0
Operation Code (1Ah)
1
Logical Unit Number Rsv’d DBD Reserved
2
PC Page Code
3
Reserved
4
Allocation Length
5
Unused Reserved Flag Link
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