Quantum 1200 Series DAT Autochanger Guía de usuario Pagina 291

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SDLT 600 SCSI Interface Guide Chapter 4: SCSI Commands
81-81200-02 REV A01 January 2005 4-249
4.38 WRITE BUFFER Command (3Bh)
The WRITE BUFFER command works with the READ BUFFER command as a diagnostic function
for testing the device data buffer, DMA engine, SCSI bus interface hardware, and network SCSI bus
integrity. It is also used to download and update microcode (firmware).
Figure 4-135. WRITE BUFFER Command Descriptor Block — Data Format
Bit
Byte
7 6 5 4 3 2 1 0
0 Operation Code (3Bh)
1 Reserved Mode
2 Buffer ID (00h)
3 – 5
(MSB)
Buffer Offset
(LSB)
6 – 8
(MSB)
Parameter List Length
(LSB)
9 Control
SDLT 600
SCSI Interface Guide
SCSI Commands
81-81200-02
REV A01
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