Chapter 4 SCSI Commands
LOG SELECT Command (4Ch)
DLT-S4 Interface Reference Guide
60
LOG SELECT
Log Page
Format
4
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, comprises 8 bytes. The parameter block for page
code 05h is 12 bytes.
Figure 23
LOG SELECT
Log
Page — Data Format
Table 35
LOG SELECT
Log
Page Header — Field
Descriptions
Bit
Byte
7
6
5
4
3
2
1
0
0
Page Code
1
Reserved
2
–
3
(MSB)
Page Length (
n
– 3)
(LSB)
Log Parameters
4
Log Parameter (First)
x
+ 3
Length (
x
)
.
.
n
—
y
+ 1
Log Parameter (Last)
n
Length (
y
)
Field
Description
Page Code
Specifies the log page to which this
LOG SELECT
command is directed.
Page Length
Specifies the total number of bytes contained in this
log page, not including the 4 bytes that make up the
header.
Log Parameters
Use one block for each parameter code.
