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Chapter 2 Media Changer Commands

Mode Sense (6) / (10) Command (1Ah/ 5Ah)

Quantum SuperLoader 3 Software Interface Guide 48

Mode Sense (6) / (10) Command (1Ah/ 5Ah)

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 33 Mode Sense (6)

Command Descriptor Block

The MODE SENSE (10) command returns descriptor data in a different

format than

MODE SENSE (6).

Bit

Byte76543210

Operation Code (1Ah)

Logical Unit Number Rsv’d DBD Reserved

PC Page Code

SubPage

Allocation Length

Unused Reserved Flag Link

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 159 160

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