Quantum SuperLoader 3 Guía de usuario Pagina 111

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Chapter 2 Media Changer Commands
Read Buffer Command (3Ch)
Quantum SuperLoader 3 Software Interface Guide 95
Read Buffer Command (3Ch)
The READ BUFFER command is used in conjunction with WRITE BUFFER
as a diagnostic function for testing the device’s data buffer for possible
diagnostic data and for checking the integrity of the SCSI bus.
Figure 54 Read Buffer
Command Descriptor Block
Bit
Byte765 4 3210
0
Operation Code (3Ch)
1
Logical Unit Number Reserved Mode
2
Buffer ID
3 - 5
(MSB)
Buffer Offset
(LSB)
6 - 8
(MSB)
Allocation Length
(LSB)
9
Unused Reserved Flag Link
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