
SCSI Commands
5-40 Quantum DLT 8000 Tape System
LOG SELECT Command (4Ch) (continued)
5.7.3 Log Select Page Format
Each log page begins with a 4-byte header followed by n number of log parameter blocks
(one block for each parameter code). Each block, except for parameter code 05h is
comprised of 8 bytes. The parameter block for code 05h is 12 bytes.
LOG PAGE HEADER
Bit
Byte
7 6 5 4 3 2 1 0
0
Reserved Page Code
1 Reserved
2 - 3
(MSB)
Page Length
(LSB)
Figure 5–16 Log Page Header Format
Table 5–17 Log Page Header Field Descriptions
Field Name Description
Page Code The Page Code specifies for which Log Page this LOG SELECT
command is directed.
Page Length The Page Length field specifies the total number of bytes contained in
this log page, not including the four bytes that make up the header.
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