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Chapter 2 Media Changer Commands

Read Buffer Command (3Ch)

Quantum SuperLoader 3 Software Interface Guide 99

Figure 57 Echo Buffer

Descriptor

Table 46 Echo Buffer

Descriptor

Bit

Byte76543210

Reserved EBOS

Reserved

Reserved Buffer Capacity

Buffer Capacity

Field Name Description

EBOS

Echo Buffer Overwritten Supported. Set to 1 to

indicate the drive will return the

ECHO BUFFER

OVERWRITTEN

additional sense code if the data

being read from the

Echo Buffer is not the data

previously written by the same initiator.

Buffer Capacity Returns 252 indicating the size of the

Echo Buffer in

bytes.

1 2 ... 110 111 112 113 114 115 116 117 118 119 120 ... 159 160

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